JavaScript experts, mentors, speakers
Explore personalities and their talks, workshops, videos, and articles. While we focus primarily on JavaScript and frameworks like React, Vue, Svelte, and Node, you may find experts on other fields on our Portal. To name a few – Testing, DevOps, Machine Learning, and many more!

Aakansha Doshi
Excalidraw, India
Aakansha is an open-source enthusiast, Javascript, and React fan. She is one of the organizers of FOSS United meetups in Bangalore. She is a big foodie, and loves traveling and spending time with her family.
Fun Fact: She broke GitHub with her first PR of ~5k lines of code.

Aaron Mitchell
HeroDevs, USA
Aaron “Mitch” Mitchell has 10+ years of experience in product management. He’s consulted for Twitter, Sony, Western Digital, Lyft, and others on new product development and strategy. He is currently the President of HeroDevs and spends his time longboarding and playing with his 3 sons.

Abdelrhman Adel
Rangle, Netherlands
Abdelrhman Adel is an Amsterdam-based Solution Architect at Rangle.io, helping clients build better software experiences using technologies such as Angular, React, and Typescript. Once a Petroleum Engineer, he switched career paths to follow his passion for technology and improving user experiences. When he’s not working, you can find him gaming or binge-watching a new TV series.

Adam Jahr
Vue Mastery, USA
Adam Jahr is the co-founder of Vue Mastery, the ultimate learning resource for Vue developers and the biggest financial backer of the Vue framework. As an e-learning educator, he has taught hundreds of thousands of developers worldwide and teaches live at conferences across the globe. Adam is a proud Vue.js Community Partner. When he isn't teaching Vue, he enjoys creating interactive art installations.

Adam Klein
500Tech, Israel
Adam is a CTO, a web developer and consultant, web GDE, and author of open source libraries. He is an entrepreneur and co-founder of 500Tech, a company that specializes in frontend technologies. He loves coding, and he loves speaking about code. Adam is very involved in the community, and is part of the organizing team of Angular & React meetups and conferences in Israel. https://dev.to/adamklein

Adam L Barrett
NRWL, Canada
Adam L Barrett is a JavaScript and Front-End consultant, a contributor to open source, and avid bike-shedder. Adam believes, when writing conference bios, he should probably mention his two children, his love of movies and probably his hobbies, like hosting a board game podcast, to help the reader connect with him as a person, but ...well, that sounds sort of manipulative so Adam has chosen not to. Adam is above that.

Adina Stoica
Bloomberg, USA
Adina Stoica is a full-stack software engineer at Bloomberg, where she works primarily on front-end items, both Bloomberg-specific and web. Originally from Romania, Adina moved to the United States for college. She obtained her bachelor’s degree in computer science from Bard College and her master’s degree from Washington University in St. Louis, where she specialized in computer vision. Prior to joining Bloomberg, Adina worked at Cerner Corporation (now Oracle Health). Adina is quite passionate about front-end development and improving user experience, and she tries her best to infuse this passion into her development work.

Aditi Verma
McKinsey & Company, Vietnam
Experienced solution architect and full stack developer with 5 years of experience @McKinsey & Company. Life as a technical consultant has given me the opportunity to explore breadth of stack for various clients and suggesting improvements in development practices, code quality and architecture.
Adrien Baron
Tractable, UK
Hi, I’m Adrien 👋.
I’m a Senior Software Engineer at Tractable, a startup which is revolutionising insurance using Machine Learning. I previously lead the Micro Frontend effort at Cazoo (and wrote about it!).
I’m passionate about building things, such as clashofstats.com, a statistics tracker for Clash of Clans ⚔️, Vue GWT a library that lets you build Vue.js components in Java ☕️, and more recently Tiny Frontend an open source Micro Frontend architecture library 🐰.
I live in London with my partner. In my free time, I love going to see a show in the West End, playing some Beat Saber on my Valve Index or reading the latest book from Brandon Sanderson.

Adron Hall
Hasura, USA
Adron has a wide range of companies, programming, and database experience. This includes companies ranging from small startups to 200k plus person enterprises and the respective challenges of design and architecture for these companies. In programming, Adron is fluent in C#, JavaScript, and Go, with experience in F#, Java, C++, Erlang, COBOL, and others, for a truly polyglot perspective of language approaches and their technology stacks. But, I get super frustrated writing in the third person for various reasons. So I like to think of me as jovial, proactive, test & code, code & test, get things done well, software architect, engineer, code monkey, coder, and distributed systems advocate. I go by the title of “Coder, Messenger, Recon” as it seems to encompass what I do.

Akash Hamirwasia
Razorpay, India
Akash is a software engineer at Razorpay who loves building innovative products on the web with great user experience. He is also an open-source enthusiast and the author of Blaze, Diode and Slant it projects. His recent fascination has been dabbling with creating languages and parsers. Akash is always open to talk about front-end development, UI design and building products.

Alba Silvente Fuentes
Storyblok, Netherlands
Alba Silvente Fuentes, aka Dawntraoz, is a Sr FrontEnd Developer working as a DevRel Engineer at Storyblok. She loves writing about FE development, Jamstack, and Web Performance on her blog, speaking at conferences, hosting a Spanish tech podcast, and working hard in the open-source community. She is also a GoogleDevExpert in Web Technologies and an ambassador at WTM & Nuxt.

Alberto Schiabel
Prisma, Italy
Alberto is a senior software engineer and former startup co-founder.
He has over 8 years of experience and has shipped the first WebAssembly modules in the open-source Prisma and Lyra projects. He’s currently a consultant working primarily in TypeScript and Rust at Prisma Data. In his free time, he helps junior developers prepare for job interviews."

Aleksandra Sikora
The Guild, Poland
Aleksandra is a software engineer based in Wrocław, Poland. She's worked as a full-stack developer with many different languages such as Elixir, Golang, Python, and TypeScript. She was previously a tech lead for the Hasura Console, and now she's a lead maintainer of Blitz.js.

Alexander Johansson
Tola, Sweden
I am Alex 👋, a fully-stacked TypeScripter from Sweden & the creator of tRPC.
Been doing html since the late 90s, started a company in 2006 selling Counter-Strike servers & got my first official coding job in 2009. Since then, I have been on 5 continents, lived/worked on 3, and worked for everything from sub 5 people startups to big banks - as a consultant, employee, and founder.
From Sweden, living in Malmö. Speak Swedish, English and rusty (Brazilian) Portuguese + Spanish.

Alexander Todorov
Kiwi TCMS, Bulgaria
Alex is a testing consultant and QA engineer with 15+ years of experience. He loves public speaking, cooking with wine and riding fast motorcycles!
Throughout his career Alex has been involved in testing everything from compilers, operating systems and hardware to APIs, web applications and blockchain. He is also a regular open source contributor and maintainer of several testing related tools such as Kiwi TCMS - a popular test management system.
Alexander Varwijk
Open Social, The Netherlands
Alexander is a full-stack developer that spends his day to day with PHP and Drupal. Front-end work is done using ReScript, React and GraphQL and as a hobby he's building things with Rust.
At Open Social he is a Lead Engineer and drives the development of the GraphQL API and a new decoupled front-end. As the first decoupled project at Open Social he has architected and implemented a Real-Time Chat.

Alexander Weekes
Toptal, UK
Alex's skills as a project manager helped integrate athlete management tech into many UK universities such as Birmingham City University. He joined Toptal to add his expertise in agile methodologies and best practice leadership techniques to help complete innovative projects and add value to end users' products. As a PMI member, he is proficient at operating within a varied company structure from SMEs to enterprise organizations.

Alexandra Buckalew
GraphCMS, Germany
Alex is an experienced marketer and screenwriter with over 10 years of experience. A natural storyteller, Alex spends her free time writing novels and screenplays and is driven through a constant need to be constantly learning professionally and personally. Originally from Texas, she has lived in New York City, and now Berlin, Germany.

Alexa Spalato
Storyblok, Spain
Alexandra Spalato is a Developer Relations engineer at Storyblok.She was born and raised in France and lives now on the beautiful Spanish island of Mallorca.While working as a freelance developer and entrepreneur, she decided to fully specialize in JAMstack.Her strong support of that technology and promotion to her clients led her to establish GatsbyWPThemes.As an advocate for headless architecture, she is now part of Storyblok, a company that best represents it.

Alex Korzhikov
Instructor, Mentor, Netherlands
My primary interest is self development and craftsmanship. I enjoy exploring technologies, coding open source and enterprise projects, teaching, speaking and writing about programming - JavaScript, Node.js, TypeScript, Go, Java, Docker, Kubernetes, JSON Schema, DevOps, Web Components, Algorithms 👋 ⚽️ 🧑💻 🎧

Alex Kyriakidis
Vue School, Netherlands
Alex has been an award-winning web developer for 12 years. He authored the first book on Vue.js in 2016 and is one of the first Vue.js educators in the world. He founded vueschool.io where he's teaching Vue and JavaScript to web developers through video courses along with many core members and industry leaders.

Alex Lobera
Miro, UK
Alex is an experienced engineer and decision maker with over 18 years of experience in the software industry. He is currently focused on scaling large organisations by breaking up front-end monoliths. Alex is passionate about open-source software and all things Web. Staff engineer @Miro. Co-Founder of several startups.

Alex Ruheni
Prisma, Germany
Alex is a Developer Advocate at Prisma, where he's working to make databases easy and fun. He loves learning and teaching other developers. Every once in a while, he procrastinates by preaching to other developers to adopt Ts. He's also a mediocre photographer at best – but the camera covers that up for him.

Alex Trost
Prismic, USA
Alex is a teacher who wants to make learning web development easier and more fun for everyone. He’s working on the Developer Experience team at Prismic to make building React sites with a powerful backend easier than ever. Working in the JAMStack with any React framework is where Alex is happiest. He also teaches creative coding techniques on his site, Frontend Horse.

Alice De Mauro
Vercel, Netherlands
Software Engineer for more than 15 years, UX designer and programming languages instructor, I've worked in many types of product, from commodities to retail, from media to eSports. At Vercel, I help pre-sales to architect the best technical solution for our future customers.

Alina Dima
Amazon Web Services, Germany
Alina Dima is a Senior Developer Advocate in the IoT Ecosystem Services team at Amazon Web Services. She is passionate about helping developers accelerate their journeys in the IoT ecosystem, and working with IoT communities to build better and move faster, from prototype to scale. Alina has worked in various industries such as telecommunications, manufacturing, automotive, retail, and photovoltaic. With nearly 20 years of experience as a software engineer, technical delivery manager and architect, she has designed and built multiple highly scalable, operationally ready IoT solutions, with millions of devices running in production today. Alina has shared her knowledge at various events, such as DevCon, Highload, re:Invent, AWS Summits and online Webinars.

Ali Spittel
AWS Amplify, USA
Ali teaches people to code. She loves Python, JavaScript, and talking about programming. She has been writing React since before es6 classes. She is a Senior Developer Advocate on the AWS Amplify team.
Ali also blogs about code, aimed mostly at a beginner audience. Her writing has gotten over a million readers in the past year. She has also spoken at over 50 events in the last few years.
When Ali's not working, you can find her watching New England sports, competing on CodeWars, taking runs around the city, rock climbing, or participating in coding community events.

Alyona Galyeva
LINKIT, Netherlands
I encourage others to see different perspectives and constructively break the rules. Observe - Optimize - Learn - Repeat is my work and life motto. Next to it, I found my joy in building and optimizing end-to-end Machine Learning Systems.
Principal Data Solutions Engineer @ LINKIT
Organizer (volunteer) @ PyLadies Amsterdam
WaiACCELERATE Tech Mentor (volunteer) @ Women in AI

Alyssa Nicoll
Progress, USA
Alyssa is an Angular Developer Advocate for KUI and a Google Developer Expert for Angular. Her two degrees (Web Design & Development and Psychology) feed her speaking career. She has spoken at over 30 conferences Internationally. She streams weekly on the Angular Air podcast and Twitch CodeItLive channel. She enjoys gaming, scuba diving, and has a little one that fondly goes by "Mr. Milks".

Amy Bass
Docker, USA
As a youngster, I had an early interest in computers. I quickly learned to disassemble and reassemble my family's Tandy 1000 without much effort. This passion only grew as I got older. In college, I became very interested in helping to bridge the growing digital divide and started a student organization, Tech Serv, at Drexel University. After college, I started my career as a data analyst but quickly found a career in Product Management. Here, I was able to combine my love for technology with my passion for improving the lives of others. Since that time, I've been a product manager in a variety of industries including MarTech and HealthTech. Now at Docker, I hope to continue on my journey by improving the lives of developers and helping solve their daily challenges.

Andreas Müller
Microsoft, USA
Andreas Müller is a Principal Research SDE at Microsoft, where he works on the interface of the Data Science ecosystem and cloud infrastructure.
He previously held positions as Associate Research Scientist at the Columbia Data Science Institute and as a Research Engineer at the NYU Center for Data Science.
He is one of the core developers of the scikit-learn machine learning library, a member of the scikit-learn technical committee, and the author of the book "Introduction to machine learning with Python".
His work focuses on practical aspects of machine learning and the development of user-centric machine learning software.

Andrei Calazans
G2i, Brazil
I'm a Software Developer with an emphasis on a JavaScript Stack(React, React Native, GraphQL, Relay, Apollo, Redux, Redux-Saga, and others). Over the past years, I've worked mostly with Front-End applications, but I have done Back-End work with GraphQL JS. Despite starting my career on the Web, I have been working with Mobile applications for quite some time. Due to working on cross-platform solutions like React Native, I have some experience writing Swift, Objective-C, Java, and C++. I cherish good communication and respect. I also have some of those cliche skills = ) Fast learner and a good communicator. Besides Software Development, I like writing, learning about emotions, and philosophy.

Andre Landgraf
LinkedIn, USA
Andre is a full stack developer from Germany. He graduated with an MS in Information Systems from the Technical University of Munich and was also awarded an MS in Computer Science from Sofia University in Palo Alto. Andre currently lives in Cupertino, California, and he works as a Software Engineer at LinkedIn. Andre loves learning, writing, and speaking about all things web. In his free time, he tutors aspiring developers and builds for the web.

Andrew Hao
Lyft, USA
Andrew is a Staff Engineer at Lyft, where he builds products for Lyft's riders. When it comes to engineering, he's especially passionate about Web performance, machine learning and systems design. When it comes to people, he loves learning about what makes people tick and building high performing teams. In a prior life, he was a Principal Engineer at Carbon Five and an Engineering Manager at Blurb Books. He lives in Oakland with his family where he spends his free time running the streets and trails, dreaming about the day we'll be able to race in person.
Online, he writes at https://www.g9labs.com

Andy Desmarais
Meltwater, USA
Andy Desmarais is a father of 4 who aims to constantly be learning and growing with the ever evolving web platform. He has over 15 years of experience with web development and has grown his skills with the web platform along the way. An avid outdoorsman he enjoys spending time hiking, climbing, and just being outside!

Angel Rivera
CircleCI, USA
Angel started his career as an US Air Force Space Systems Operations specialist in Cape Canaveral AF Station where he realized his passion for technology and software development. He has extensive experience in the private, public and military sectors and his technical experience includes military/space lift operations, technical writing, software development, SRE/DevOPs engineering. He also has a wealth of experience in defense and federal sectors such as contracting, information systems security and management.
You can usually find him speaking at or organizing local tech meetups and hackathons where he enjoys engaging with developers.

Angie Jones
Applitools, USA
Angie Jones is a Principal Developer Advocate who specializes in test automation strategies and techniques. She shares her wealth of knowledge by speaking and teaching at software conferences all over the world, writing tutorials and technical articles on angiejones.tech, and leading the online learning platform, Test Automation University.
As a Master Inventor, Angie is known for her innovative and out-of-the-box thinking style which has resulted in more than 25 patented inventions in the US and China. In her spare time, Angie volunteers with Black Girls Code to teach coding workshops to young girls in an effort to attract more women and minorities to tech.

Anjana Vakil
USA
Anjana suffers from a chronic case of curiosity, which led her from philosophy to English teaching to computational linguistics to software development. As a developer advocate at Observable, these days she codes & teaches from her home base in San Francisco; in the before-times, you could find her speaking at events around the world. She loves to share the joy of programming and advocate for a more diverse, equitable, and ethical tech industry. Ask her about the Recurse Center & Outreachy, she’s an alumna of both!

Ankita Kulkarni
Senior Engineering Manager, Canada
Ankita has over 10 years of Software development experience that started with helping small businesses develop apps. Currently she is taking a break and enjoying exploring more entrepreneurial opportunities. Previously, she is a Senior Engineering Manager at WealthSimple, leading teams and helping define the future of FinTech in Canada. She also worked as a Tech Lead, Solution Architect, and Lead developer at companies such as Loblaw Digital, Rangle.io, and IBM Canada. Ankita has architected and scaled many web and mobile apps for clients using React, GraphQL, React Native and Next.js. She loves public speaking and has spoken at several conferences worldwide, allowing her to pursue her passion for travel. Ankita is also an instructor on Udemy and ZeroToMastery and loves sharing content online.

Anna Backs
Codecentric, Germany
Anna Backs is an APM consultant and software developer working for codecentric. When she is not outside with her dog or absorbed in the world of Shadowrun, she is usually found building some thing or another in JavaScript. She loves coffee, good stories and learning new things.

Antoine du Hamel
Transloadit, France
Antoine is a Software Engineer from France, working for Transloadit. His love for everything open source brought him to GitHub at an early age, and he has been a regular visitor and contributor ever since. He serves as a member of the Node.js Technical Steering Committee, the esteemed governing body that oversees the popular runtime environment. When Antoine is not channeling his creative energy into technical projects, he enjoys playing the piano.

Anton Kazakov
Westwing Group SE, Germany
Anton is a Director of Engineering at Westwing, Germany. As an engineering leader, he's built and scaled teams, shaped tech organisations in the SaaS and consumer-facing worlds. He has a passion for systemic approaches and helping people thrive and grow. He's mentoring other engineering leaders both at work and outside of work, making sure they onboard on their leadership journey quickly and smoothly. Outside of work, he enjoys hiking, mountain skiing, and spending time with his family.
Anuradha Kumari
Passionate People, Netherlands
Anuradha is a frontend developer, working on making the web more accessible, one website at a time. She is passionate about exploring new technologies and sharing knowledge through tech articles and talks. She has been recognized as GDE, MVP, MDE, and WTM Ambassador. As an accessibility advocate, she aims to spread awareness and empower the community toward achieving the common goal of inclusion through technology. When she is not coding, she loves traveling, exploring museums, reading books, and sketching.

Arisa Fukuzaki
Storyblok, Germany
Arisa is a Frontend Developer who became a DevRel Engineer. She works at Storyblok to share and improve better DX through talks, maintaining SDKs, and tutorials. Her mission is to learn, speak, connect and help. Outside of her work, she is a GDE and a GirlCode ambassador. In her private time, she is a longboarder, a snowboarder, a yogi, and an Aikido fighter.

Asaf Shochet Avida
Evinced, Israel
Asaf is the front end tech lead @Evinced, with 10+ years of experience in web development, including: frontend, backend and test automation, and a special place in his heart for shiny CI pipelines.
After spending a year and a half traveling with his wife and 2 young kids (now 3, Mazal Tov) in the far east, he came back to create state of the art accessibility tools for developers.
In his spare time he loves reading Harry Potter with his daughter, mentoring junior devs, and making Pitas on the Saj.

Ashley Claymore
Bloomberg , UK
Ashley is a software engineer at Bloomberg in the Trading Analytics team. He has been using TypeScript since v1.8 and contributed to the TypeScript implementation of the new 'Ergonomic brand checks for private fields' syntax. He is also a Bloomberg TC39 delegate currently working on the 'Change Array by copy' proposal.

Ava Wroten
SkillsEngine, USA
Ava Wroten has been building ambitious EmberJS apps for over eight years. She's built health education software at Eyemaginations (now called Rendia), banking and account opening software at Q2, budgeting software for K-12 educators at Allovue, and now she is connecting students to employers at SkillsEngine. With a passion for frontend web apps, Ava is excited for the future of the web as a platform to deliver innovation that betters people's everyday lives.

Avital Tzubeli
Vonage, Israel
From a young age, Avital was fascinated by the world of computers and solving problems with them. She followed a path of backend development, storytelling, and a little graphic design, before discovering the world of DevRel. Today Avital is the Regional Developer Advocate at Vonage TLV, where she gets to combine her passions for code, creative thinking, and facilitating good stories.

Baptiste Jamin
Crisp, France
Baptiste is the CEO and co-founder of Crisp, a customer messaging platform used by 300 000 companies. I started coding when I was 12, and made many different projects before co-founding Crisp in 2015. Some worked and many failed. I still code a lot and have a full-stack approach, from code, UI, UX, growth hacking to customer support.

Barry Pollard
Google, Ireland
Barry Pollard is a Web Performance Developer Advocate in the Google Chrome team, working on Core Web Vitals and the Chrome User Experience Report (CrUX). He is one of the maintainers of the HTTP Archive and it's annual Web Almanac publication. He's also the author of HTTP/2 in Action from Manning Publications.

Ben Hagan
PolyScale, USA
Ben is the Founder of PolyScale.ai where he works to make scaling databases globally, simple for developers and architects. Ben has been working with distributed systems and big data for over a decade, leading Solution Architecture teams at companies such as DataSift, Elastic and Rockset.

Ben Ilegbodu
Stitch Fix, USA
Ben is a Christian, husband, and father of 3, with 15 years of professional experience developing user interfaces for the Web. He currently is a Principal Frontend Engineer at Stitch Fix on their Frontend Platform team, helping architect their Design System. Ben also is a Google Developer Expert, Microsoft MVP, and enjoys playing basketball, DIY, watching movies, and tweeting (@benmvp) / blogging (benmvp.com) about his experiences with new web technologies.

Ben Michel
Datadog, USA
Ben cares about enabling developers, and supporting open source projects that push the Web forward (OpenJS Foundation, Node.js, tc39, Unicode Consortium). As a Technical Evangelist at DataDog, he’s helping devs create delightful experiences by using real user monitoring, and distributed synthetic testing. Ben has also led JavaScript meetups over the years (PDXNode, WebAudioPDX), and occasionally produces music.

Beril Sirmacek
Jonkoping University & the Owner of Create4D, Netherlands
Beril Sirmacek is a Dutch AI researcher. She received her PhD degree in Electrical and Electronics Engineering in 2009. Later she has worked with German Aerospace Center and pursued a habilitation degree with University of Osnabrueck.
She is an assistant professor at Jonkoping AI Lab and also leading her company create4D. Beril is passionate to use computer vision and AI algorithms for creating useful healthcare and earth care solutions.
Beril has taught a MSc course at the University of Augsburg in 2010, only on OpenCV. As a computer vision scientist and developer, she has been using it regularly for many years.

Bernhard Suhm
MathWorks, USA
Bernhard Suhm is the product manager for Machine Learning at MathWorks. He works closely with customer facing and development teams to address customer needs and market trends in our machine learning related products, primarily the Statistics and Machine Learning toolbox. Prior to joining MathWorks Bernhard led analyst teams and developed methods applying analytics to optimizing the delivery of customer service in call centers. He also held positions at a usability consulting company and Carnegie Mellon University. He received a PhD in Computer Science specializing in speech user interfaces from Karlsruhe University in Germany.

Bethany Griggs
Red Hat, UK
Senior Software Engineer at Red Hat and a Node.js Technical Steering Committee Member. Beth has been involved with the Node.js project since 2016, when she joined IBM in their Node.js Runtime Team. Now at Red Hat, she’s continuing her work around Node.js, including contributing to the Node.js project. Beth is an active member of the Node.js Release Working Group, who audit the content for and produce the Node.js releases. Her other focuses are the creation of resources and tooling to support Node.js deployments to cloud.

Bob van Luijt
Weaviate, Netherlands
Bob is CEO and co-founder of SeMI Technologies, the business created around the open-source vector search engine Weaviate. Besides SeMI and Weaviate. Bob is a frequent speaker on the topics of open source, digital technology, software business, and creativity. He has spoken at around 100 events on the aforementioned topics in Europe, the US, and Russia.

Bonnie Schulkin
Teacher, Coder & Testing Enthusiast, USA
In her 18 years in the software industry, Bonnie has discovered that she loves all things testing (how great is it when testing reveals exactly what you need to fix about your refactor or new feature?). She's particularly devoted to Test Driven Development for its emphasis on planning before coding. Bonnie is equally passionate about teaching, and she's pleased as punch to be producing online content full time. She feels weird writing about herself in the third person.

Boris Tane
Baselime, UK
Boris is the founder of Baselime. Before this, he worked on back-end systems and infrastructure at multiple startups, where he was drawn to cloud-native and serverless technologies. He always ended up being the guardian of the logging and monitoring systems in the teams he joined. Now, he’s helping serverless teams automate their observability configurations with Observability as Code.

Bradley Farias
Socket Security Inc., USA
Bradley Farias has been in the Node.js community as a contributor, TC39 as a member, given workshops on Node.js, and worked on OSS projects as well. He is actively interested in pushing programmer experience APIs for developer tools. He is currently invested in security tooling and experiences which involves not just research into attacks but how to make programmers' experience with security more enjoyable.

Brad Westfall
ReactTraining, USA
Brad Westfall has been teaching Web Development since 2010 including bootcamp instruction, online videos, conference speaking, writing at CSS-Tricks.com, and corporate training for ReactTraining.com. He loves to connect with students by helping them achieve their technical goals and by distilling complex concepts into simple instruction.

Bramus Van Damme
3RDS, Belgium
Bramus Van Damme is a web developer from Belgium. From the moment he discovered view-source at the age of 14 (way back in 1997), he fell in love with the web and has been tinkering with it ever since. His current focus is on JavaScript, React and React Native yet his love for CSS will never fade.

Brecht De Rooms
Fauna, Belgium
Brecht De Rooms is a senior developer advocate at Fauna. He is a programmer who has worked extensively in IT as a full-stack developer and researcher in both the startup and IT consultancy worlds. It is his mission to shed light on emerging and powerful technologies that make it easier for developers to build apps and services that will captivate users.

Brendan Duncan
Unity Technologies, USA
Brendan is a senior software engineer working on graphics and the web platform for Unity Technologies, where he combines his love of creativity and technology. Before Unity, Brendan has 20+ years working in animation studios such as Disney, and technology companies such as Google.

Brian Love
LiveLoveApp, USA
Brian is a Principal Architect at LiveLoveApp where he provides technical leadership, product design and development, and helps companies deliver absolute joy. Brian is a Google Developer Expert in Web Technologies with a passion for learning in public. When not coding, Brian enjoys skiing, hiking, and being outdoors.

Brittany Joiner
PixieBrix, USA
Brittany Joiner is a marketer turned developer that now brings her skills together as Head of Developer Relations at PixieBrix! She loves building automations, tools, and toys, and she's super passionate about helping folks transition to tech careers. You'll find her traveling the world, reading by the pool, or checking out the farmers market with her girlfriend and pup.

Bryan Hughes
Patreon, USA
Bryan Hughes is a staff engineer at Patreon, long-time member of the JavaScript community, and tech activist. Bryan is the creator of Raspi IO which provides Raspberry Pi support for the Johnny-Five JavaScript robotics library. Bryan also created RVL, a distributed wireless LED lighting system designed for festivals, Reduxology, a library that makes React+Redux easier to use, and Aquarium Control, a Raspberry Pi based system for controlling lights and monitoring temperature of his aquarium. Outside of tech, Bryan is an active member of the LGTBQ community, a photographer, pianist, and a wine aficionado.

Buddha Bhattacharya
Tyk, Singapore
Founder of WAYV Digital, providing business strategy and technology solutions for impact-driven companies to help them scale up, become sustainable and spread their impact around the world. Currently working with companies across 5 continents in the areas of education, disability care, healthcare and sustainable e-commerce.
A dynamic leader with experience across both technical and managerial roles. Extensive experience in client and stakeholder engagement, combined with an expertise in solution consultancy across multiple technology platforms ensures successful product delivery time after time.
Key competencies:
• Technical consultancy and delivery- Kentico, Sitefinity, Sitecore, Drupal, WordPress, AWS, Azure
• Solution Architecture (cloud, web, apps)
• Product management
• Agile delivery as Professional Scrum Master
• Team management and leadership
• Technical Project management and direction
• Full stack web development (JS - React, Angular; Python; PHP)
Dedicated to building communities to tackle the UN Sustainable Development Goals and passionate about helping those who wish to change the world!

Burak Kantarci
Thundra, Turkey
Burak Kantarcı works as the Product Manager at Thundra, a developer platform that empowers application teams to develop, debug, and deliver modern microservices on the cloud. With an engineering and design background, he is creating products to drive impact. His current goal is to ease developers' daily life and make their workflows more errorless and enjoyable.

Callum Macrae
Author of Vue.js: Up and Running, UK
Callum Macrae is a developer and occasional musician based in London, UK, with a passion for using JavaScript to solve complicated problems. His current favourite things to work with are Vue and SVGs (but only sometimes at the same time). He is the author of Vue.js: Up and Running, a book about getting started with Vue. He can be found on Twitter and GitHub as @callumacrae.

Carly Litchfield
Galileo, USA
Carly is a software engineer at Galileo in New York City, working to improve healthcare. Previously she's worked at Haven and Zocdoc. Carly especially enjoys working with React and React Native, and has a passion for automated testing. When she's not coding you can find her skiing, hiking, or trying local beers.
Carly Richmond
Elastic, UK
Carly is a Developer Advocate at Elastic, based in London, UK. Before joining Elastic in 2022, she spent over 10 years working as a technologist at a large investment bank, specialising in Frontend Web development and agility. She is an agile evangelist, UI enthusiast, and regular blogger.
In her spare time, she enjoys cooking, photography, drinking tea and chasing after her young son.

Carolina Pascale Campos
Briza, Brazil
Carolina is always exploring new paths and looking for new perspectives for solving problems.
As a computer scientist working at Briza, she loves to work in challenging industries, like insurance.
She believes that everyone is responsible for making the tech environment safer and diverse.
Pasta maker, coffee enthusiast and book lover.

Catalin Miron
Senior Engineer, Czech Republic
I'm a nomad developer, currently living in Prague, Czech Republic.
I love giving life to UI through animations. I'm a speaker, YouTuber, father of 2, React & React Native enthusiast, Open Source contributor and coffee geek. In my free time I help others to succeed.

Cecelia Martinez
Ionic, USA
Cecelia Martinez is a Developer Advocate for Appflow at Ionic, a company that helps web developers build cross-platform applications using modern technology. She is dedicated to creating better, more inclusive developer experiences for all. Previous companies include Cypress and Replay, with areas of expertise including web & mobile development, testing, developer tools, and open source. She is a Lead Volunteer with Women Who Code FrontEnd, Chapter Head of Out in Tech Atlanta, and a GitHub Star.

Chad Carlson
Platform.sh, USA
Chad Carlson manages the Developer Relations team at Platform.sh. Chad spent a large portion of his professional career in academia, where he worked primarily in vision science laboratories using Python to study the human visual system: how we detect motion, how we understand natural image statistics, and its evolutionary origins.
Today he can typically be found writing, cooking, or working on projects in Python, Node.js, Go, and whatever new language Platform.sh starts support for and wants another pair of eyes on.

Chakit Arora
Storyblok, India
Chakit is a Full Stack Developer based in India, he is passionate about the web and likes to be involved in the community.
He is a Twitter space host, who likes to talk and write about technology. He is always excited to try out new technologies and frameworks.
He works as a Developer Relations Engineer at Storyblok.

Charlie Gerard
Netlify, France
Charlie is a front-end developer at Netlify, a Mozilla Tech Speaker and Google Developer Expert in Web Technologies. She is passionate about creative coding and building interactive prototypes mixing science, art and technology. She also spends time giving back to the community by mentoring new developers, contributing to open-source projects, and speaking at conferences.

Charly Poly
The Guild, France
Self-taught since 13 yo, I am passionate about web development, more recently, especially about the JavaScript and GraphQL ecosystems. Strong of more than 9 years of professional experience in companies such as Dashlane, including more than 3 years in a Technical leadership position at Algolia, and early-stage companies; I also talked at many international conferences, including the well-known React Europe 2019 conference and wrote many reference articles on TypeScript, React, and GraphQL relayed by recognized international newsletters such as GraphQL Weekly and TypeScript Weekly. After working as a freelance providing coaching, training, and consulting services, I joined The Guild to work full-time on the GraphQL ecosystem.
Chen Hui Jing
Shopify, Singapore
Chen Hui Jing is a self-taught designer and developer living in Singapore, with an inordinate love for CSS, as evidenced by her blog, that is mostly about CSS, and her tweets, which are largely about typography and the web. She used to play basketball full-time and launched her web career during downtime between training sessions.

Chinmay Gaikwad
Epsagon, USA
Chinmay is a Technical Evangelist at Epsagon with experience in data center and cloud technologies. Previously, he worked at companies such as Intel, IBM and early-stage startups. Chinmay has an MS in Computer Science from Columbia University and an MBA from UC Berkeley. In his free time, he loves traveling and exploring restaurants.

Chris Achard
NanoHop, USA
Chris is a software developer and independent consultant. He's created web and mobile apps using mostly React and React Native, with Node or Ruby on Rails on the back end. He likes all things JavaScript, and has recently been enjoying exploring AI with Pytorch and Tensorflow.js.

Chris Smith
Retool, USA
Chris Smith is a developer evangelist at Retool, where he helps developers to rapidly code internal tools. He is a hacker at heart ever since learning QBASIC in middle school and is passionate about the power that learning to code brings to an individual. He’s worked for 6+ years in the world of low-code tools to empower developers to do more in less time. He’s passionate about visual abstractions and ways of quickly conveying and understanding complexity. Prior to Retool, Chris worked at Tray.io, JunoVR, Segment, and National Instruments.

Chris Stavitsky
Sentry, USA
Chris has a background as a web developer. He previously worked as a Senior Software Engineer at a company that used Sentry for error monitoring. Chris liked the product so much that he decided to come work for Sentry and make finding and fixing bugs easier for other developers.

Christian Bromann
Sauce Labs, Germany
Christian Bromann is a member of the Open Source Program Office at Sauce Labs and is working on various open source projects related to test automation and Node.js. He represents the company as Advisory Committee representative at the W3C and the WebdriverIO project as core contributor in the OpenJS Foundation Cross-Project Council. In the past he has been leading various product initiatives at Sauce Labs including extended debugging capabilities for automated tests as well as frontend performance testing using WebDriver.

Christian Ivicevic
JetBrains, Germany
Christian used to be a high-school teacher and lecturer at university before he started pursuing a career as a Software Engineer. Together with his team he is racing against the JavaScript ecosystem trying to implement support for new technologies within WebStorm.

Christoph Nakazawa
CEO at Nakazawa Tech KK, Japan
Christoph is an experienced engineering manager, frontend lead and aspiring game developer. He has played a key role in the development of tools such as Jest, React Native, Metro, and Yarn while working at companies like Facebook and Stripe. Currently Christoph is exploring game development and optimizing his workflows which he is excited to share more about in 2023.
Claudio Wunder
OpenJS Foundation, Germany
Claudio Wunder is a Senior Software Engineer at HubSpot and works on the experimentation and tracking team. He's also a member of the GNOME Foundation and part of the Cross Project Council at the OpenJS Foundation. He mentors, coaches, and contributes to open-source projects in his free time.

Clint Cameron
Sonar, USA
Clint Cameron is a Product Marketing Manager at Sonar, a leader in software static analysis solutions. He joined Sonar in 2018 and enjoys passionately and transparently promoting the value of SonarSource tools to developers at all experience levels. Previous to Sonar, he has held roles in product and project management, consulting, sales operations and engineering.

Cody Zuschlag
Nearform, France
Cody is a software engineer consultant, developer relations engineer, and university instructor with a passion for learning and sharing technology. He teaches a university web development course and loves interacting with developers of all experience levels. He started speaking internationally in 2022 at React Summit and NodeConf EU as well as hosting some of the events connected to NodeConf EU. His current passion is building full-stack and decentralized applications using all OSS technologies.

Colby Fayock
Applitools, USA
Learning by doing is the best way to learn and it’s how Colby Fayock helps others learn about Javascript, React, and the static web. His work includes writing on freecodecamp.org, videos on YouTube, and courses on egghead.io as well as his first book 50 Projects for React & the Static Web.

Colin Ihrig
Node.js Technical Steering Committee, USA
Member of the Node.js Technical Steering Committee & a hapi core team member.
Colin Ihrig is a software engineer working primarily with Node.js. He is the author of Pro Node.js for Developers, and co-author of Full Stack JavaScript Development with MEAN.

Cristhian Motoche
Stack Builders, Ecuador
I'm Cristhian Motoche, a software developer at Stack Builders. I have worked for about 6 years on different projects and I have faced different challenges using many programming languages such as: Haskell, Python, TypeScript, R, Elm, PowerQuery, etc. I love to learn new things and review the potential of programming languages. I’m very into functional programming and type-driven development. Apart from that, I like to develop other skills like drawing, playing the guitar, learning Japanese, etc.

Cristobal Chao
Torii, USA
Cristobal Chao is a software engineer, UX specialist and founder of Torii Studio, a studio that helps small to large companies implement front-end processes and systems that are easier to scale efficiently while building beautiful UI/UX products.
Prior to forming Torii Studio, Mr. Chao worked as a Software Engineer in companies like Google and Oracle. Also, he worked as the first software engineer for Hattery Labs, a front-end consultancy acquired by Google in 2013.
At Google, he worked as part of the Material Design team building the first two versions of Material Design, as well as evangelizing the systems across Google Search, Maps and Google for Work.

Dan Erez
AT&T, Israel
My name is Dan Erez and I'm a seasoned software engineer and tech lead. I've worked in enterprises and startups (one acquired by VMWare) and lately been working on cloud/serverless and DevOps innovations. I also write technical blog posts (e.g., https://medium.com/@dan.erez/you-are-your-own-cloud-7c1cf7256ce2) and speak at conferences around the world.

Daniel Afonso
OLX Group, Portugal
Daniel is a Developer Advocate at OLX Group. His current interest is in React and JavaScript, and he advocates for better testing principles using the testing library. He has a full-stack background, having worked with different languages and frameworks on various projects from IoT to Fraud Detection. In his free time, when he's not learning new technologies or writing about them, he's probably reading comics or watching superhero movies and shows.

Daniel Irvine
Concisely Crafted, UK
Daniel Irvine is a soft ware consultant based in London. He works with a variety of languages including JavaScript and Ruby. He’s a mentor and coach for junior developers and runs TDD and XP workshops and courses. When he’s not working, he spends time cooking and practicing yoga. He co-founded the Queer Code London meetup and is an active member of the European software craft community.
Daniel Roe
NuxtLabs, UK
Daniel is on the Framework team at Nuxt - previously CTO of a tech startup. In his open-source work has a particular focus on serverless functions, TypeScript, and the Composition API. He's based in the North East of England where he lives with his family, three cats, and a dog.

Dan Shappir
NEXT Insurance, Israel
Dan Shappir is the Performance Tech Lead at NEXT Insurance, and previously held that position at Wix.com. Dan has over 25 years of software development experience, and has worked on systems ranging from multiuser games to missile trajectory simulations to designing and building large-scale Web applications used by hundreds of millions of users. He is a frequent speaker at technical conferences, a host and panelist on the JavaScript Jabber podcast, and an Invited Expert on the W3C Web Performance Working Group. Dan holds an MSc in Computer Science.

Dan Vanderkam
Google, USA
Dan Vanderkam is the author of Effective TypeScript (O'Reilly 2019) and a Principal Software Engineer at Sidewalk Labs. He previously worked on open source genome visualizations at Mt. Sinai's Icahn School of Medicine and on search features used by billions of users at Google (try "population of france" or "sunset nyc"). He has a long history of working on open source projects, including the popular dygraphs library and source-map-explorer, a tool for visualizing JavaScript code size. He is also a co-founder of the NYC TypeScript meetup and blogs at effectivetypescript.com. When he's not programming, Dan enjoys playing bridge and climbing rocks near his home in New York's Hudson Valley.

Darcy Clarke
GitHub, Canada
Darcy is a Software Engineer, Founder, Mentor & UX Advocate who has created award-winning products & experiences with a holistic approach to problem solving for more than two decades. Most recently, he was the Staff Engineering Manager at GitHub for both the npm & GitHub CLI teams; supporting over 100 Open Source projects - accounting for over 3 billion monthly downloads. He is currently working on a stealth Open Source project while continuing to support the Node.js Project & OpenJS Foundation efforts in various Working Groups.

Darrell Warde
Neo4j, UK
Darrell is a senior software engineer and the GraphQL team lead at Neo4j, where he primarily works with TypeScript and of course, GraphQL! After many years of building GraphQL services, he has brought his passion for the technology to the company to build a library which will enable users to quickly get up and running with GraphQL and Neo4j. Darrell joined Neo4j at the start of 2021 following 7 years working in the public sector, which started with an apprenticeship where he learnt how to develop software. Darrell enjoys staying active by going to the gym and cycling, and plays Brazilian samba drums!

Darshita Chaturvedi
Atri Labs, USA
Darshita Chaturvedi is the Co-Founder & CEO of Atri Labs where she is leading the development of a new full-stack framework for web development.
She has five years of experience working in Machine Learning and Data Science fields in various capacities from Graduate Research Assistant at MIT (USA) to Quant Researcher at BlackRock, a US headquartered asset management firm. She completed her undergraduate education in Engineering from IIT Kharagpur, India, and dropped out from graduate program in management at MIT Sloan to work on her startup full-time.
Her favorite past times are painting and learning art history.

David Burrowes
Split.io, USA
David Burrowes is a software engineer at Split.io with a decade of experience developing web applications for companies like Box, Delphix, and VMware. Having worked without feature flags, and with clunky in-house feature flagging frameworks, David is deliriously happy to have all of Split's capabilities at his disposal for every project. For fun, and to prove he’s more Star Trek than Star Wars, David likes to randomly quote large sections for Star Trek II: The Wrath of Khan.

David Khourshid
Stately, USA
David Khourshid (known on Twitter as David K. Piano) is a software engineer for Microsoft, a tech author, and speaker. Also a fervent open-source contributor, he is passionate about statecharts and software modeling, reactive animations, innovative user interfaces, and cutting-edge front-end technologies. When not behind a computer keyboard, he’s behind a piano keyboard or traveling.

David Leitner
SQUER, Austria
David is Coding Architect at SQUER, a Viennese Software Company, which is working with different stacks and environments, but always an overarching mission: connect ideas and provide impact — with technology. He spends much of his time on the frontlines tackling the challenges of scaling software and complex domains, with a strong focus on reactive systems, cloud-native architectures and state of the art web technologies. David enjoys sharing his knowledge as a speaker at conferences and as a lecturer for his post-diploma courses at the University of Applied Sciences Technikum Vienna.

David Rousset
Microsoft, France
David is a Senior Program Manager in the Developer Division at Microsoft, working on the end-to-end dev experience for Teams & Azure Communication Services. He’s also the co-creator of Babylon.js. Even if he’s stopped contributing to the project a couple of years ago, he’s still passionate about WebXR and uses it to fun experiments. David is also interested in music composition, quantum computing & video gaming.

David Woller
Rollbar, USA
David works as a post-sales Solutions Engineer at Rollbar, with a focus on customer enablement and custom solutions delivery. He is passionate about anything that combines technical learning with customer interaction, and is curious about finding ways to apply technology to improve the UX of everyday life. He has specific knowledge around software observability practices, and worked as a Professional Services Consultant at Sumo Logic before joining Rollbar in August. David earned a BS in Computer Science from Auburn University.

Debbie O'Brien
Microsoft, Spain
Senior Program Manager at Microsoft. Over 10 years experience in Frontend development. Google Developer Expert in web technologies, GitHub Star and Cloudinary Media Developer Expert, an Auth0 Ambassador and Nuxt Ambassador and previous Microsoft Most Valuable Professional in developer technologies. International Speaker. Teacher at Vue School and Jamstack Explorers. Writer for Ultimate Courses.

Deepu K Sasidharan
Okta, Netherlands
Deepu K Sasidharan is a Software Engineer by passion and profession. He is a Senior Developer Advocate at Okta. He is the co-lead of JHipster, and the creator of KDash and JDL Studio. He is a polyglot programmer working with Java, JavaScript, Go, Rust, and so on. He is also a cloud technology advocate and an open-source software aficionado. He has authored books on Full-stack development and frequently writes about Java, JavaScript, Go, Rust, DevOps, Kubernetes, Linux, and so on, on his blog.

Denis Artyuhovich
DAZN, UK
Principal Engineer and active open source contributor.
From Minsk, but now based in London and work at DAZN.
I like playing around with TS, React, Redux, MobX/MST, RxJS, WebGL, Serverless, Node, Functional Programming with a focus on performance, system architecture and team productivity.
Denny Biasiolli
Fingerprint, Italy
Developer for (too) many years, I currently work using Python / Django in the backend and JavaScript / Vue.js in the frontend.
Whenever possible, I try to contribute to projects on GitHub to help the open source community.
I love exploring new technologies and new frameworks, trying to offer talks at international conferences to share what I learn, hoping it will be of help to other developers as well.

Dianing Yudono
BCG Digital Ventures, UK
Dianing Yudono has over a decade of software engineering experience in different products, teams and cultures. She is currently at BCG Digital Ventures, a global company that invents, launches and scales disruptive businesses. Before that, she was at ThoughtWorks, a global software consultancy.

Dipanjan Sarkar
Applied Materials, India
Dipanjan (DJ) Sarkar is a Data Science Lead at Applied Materials, leading advanced analytics efforts around computer vision, natural language processing and deep learning. He is also a Google Developer Expert in Machine Learning. He has also been recently recognized as one of the Top Ten Data Scientists in India, 2020 by Analytics India Magazine & TechGig. Dipanjan has advised and worked with several startups as well as Fortune 500 companies like Intel and Open Source organizations like Red Hat (now IBM). He primarily works on leveraging data science, machine learning and deep learning to build large- scale intelligent systems and evangelizing data science to the community.
Dipanjan is also a published author, having authored several books on R, Python, Machine Learning, Natural Language Processing, and Deep Learning.

Dmitry Kudryavtsev
Senior Software Engineer, Israel
My name is Dmitry Kudryavtsev. I'm Russian born, and currently living in Israel, Software Engineer. I'm passionate about programming, and started to write software from the age of 14 using Pascal, C and PHP. I've touched nearly every programming language out there, and right now I'm passionate about JavaScript (well, I prefer TypeScript) and Rust. I have more than 11 years of professional experience, and worked in multiple companies (including Autodesk), occupying different titles such as: Senior Software Engineer, Tech Lead, Consultant.
In my free time I like to write code and experiment with new technologies, get outdoors, read, focus on self improvement and productivity as well as boxing and staying healthy.

Dmitry Soshnikov
Microsoft, Russia
Dmitry is a Microsoft veteran, working for more than 13 years. He started as a Technical Evangelist, and in this role presented on numerous conferences, including twice being on stage with Steve Ballmer. He then worked for 2 years as Senior Software Engineer, helping big European companies to start pilot digital transformation projects based on AI and ML. As Cloud Developer Advocate, Dmitry focuses on creating educational content and working with academic and research institutions. He is also an Associate Professor at MIPT, HSE and MAI in Moscow, a big fan of functional programming and F#, and a maintainer/primary developer of mPyPl library. In his spare time, Dmitry explores Science Art and Technological Magic, as well as performs Chinese tea ceremonies. He can be reached at soshnikov.com.

E. Dunham
Okta, USA
From a background in DevOps, Systems Administration, and SRE, edunham has recently taken the leap into developer advocacy to spread information about which tools and approaches fit which problems well, and to gather real-world feedback that helps Okta improve its products. Outside of work, you'll often find them anonymously automating annoyingly manual workflows in their favorite online games, gardening, and getting interrogated about whether they have or are food by several chickens and a cat.

Eeva-Jonna 'Eevis' Panula
Futurice, Finland
Eevis is a software developer and accessibility specialist based in Finland. She loves sharing information about topics like accessibility, React and GraphQL, and is active in different communities aiming to increase equality in the tech field in Finland. When not coding, she explores the world around her with a kayak.

Eitan Noy
Evinced, Israel
A veteran web developer and manager, with over 15 years of experience, loves accessibility, hates the color magenta, and would definitely love to have dinner with the founders of React.
Spent the last several years working at startups, creating shiny new web applications. These days Eitan leads the Frontend development at Evinced, on a mission to help everyone create more accessible web applications.

Ekene Eze
Netlify, United Arab Emirates
Ekene is a Software Developer and Developer Experience Engineer at Netlify. He’s a renowned speaker, writer and content creator with courses on Jamstack Explorers and YouTube. He loves learning and sharing knowledge on web development fundamentals, Jamstack, and Frontend related technologies. When he’s not working, he spends most of his time with friends and family.
Elad Tzemach
Veeva Systems, Canada
Elad Tzemach is a software engineer at Veeva Systems. He is the UI Lead for SafetyAI - a product that enables companies in pharmacovigilance to automate processes using artificial intelligence. He is passionate about AI, React, the JavaScript eco-system, web architecture and new technologies.

Elena Vilchik
Sonar, Switzerland
Elena is a Software Engineer at Sonar, which provides tooling around code quality and security. Her main project is a static code analyzer for JavaScript and TypeScript used by SonarQube, SonarCloud, and SonarLint. Elena focuses on the clean code and tries to ensure the precision of the developed analyzer.

Elian Van Cutsem
vBridge, Belgium
Elian is a Software Engineer @vBridge where he started a couple years ago as an intern. He has a strong focus on design, front-end development and cloud native web-applications with the emphasis on personalisation and technical innovation. Elian started out building static websites to showcase the photos he took, then discovered JAMStack development, since then he's always learning and trying out new stuff. Experimentation drew him to Astro, there was no way back. Now, Elian is an Astro Ambassador & always available for a chat or drink.

Eliran Natan
Axonius, Netherlands
Born and raised in Israel, the “Startup Nation”, Eliran is a Lead Software Engineer with a passion for Computer Science & Software Design. He holds a BSc in Computer Science from Technion – Israel Institute of Technology. Eliran led development teams in both Tel Aviv and New York, and today he lives with his wife in the Netherlands, helping to build the future of digital Health Care.

Elizabet Oliveira
Elastic, Distributed, Portugal
Elizabet is a designer who likes to code. As a ReactJS enthusiast, she built and maintains React-Kawaii. A React library of fun kawaii characters that won "Fun Side Project of the Year" in React Amsterdam Open Source Awards 2018. Besides that, her passion for music and past experience as the first female rapper in Portugal under a major deal, led her to start Cassette Tape. The HTML5 based looper and recorder has granted her a spot in Google I/0 Dublin, in 2016. Also, a big fan of open-source, she has recently released a song for the designer/dev community called "Fork This" (2020).
Elizabet currently works as Senior Product Designer for Elastic. Her mission is to bridge the gap between front-end and design.

Elliott Johnson
Vercel, SvelteKit Maintainer, USA
Elliott lives in the beautiful city of Denver, Colorado, where he spends his free time doing Dangerous Outdoor Activities. During the day, he works as a Growth Engineer at Vercel, and, when he can, he helps maintain the world's best web framework, SvelteKit.

Emanuele Stoppa
The Astro Technology Company, Ireland
Emanuele Stoppa is an Italian Senior Software Engineer, currently living in Ireland. Active contributor to the Rome project. He has more than ten years of experience in the field. He worked in many fields in the industry - fintech, travel, e-commerce, etc. - and is passionate about open source.

Emily Kauffman
Harvie, USA
Emily is a lead software engineer based out of Pittsburgh, USA. She's a lifelong learner, adjunct professor, and IoT enthusiast. Emily has a tech background in healthcare, robotics, and more recently, bringing local food to the masses at Harvie. In her spare time, you can find Emily working on her web agency startup, scuba diving, or trying her hand at landscape photography.

Endel Dreyer
Lucid Sight, Brazil
Endel is the creator of Colyseus, an open-source multiplayer framework for Node.js. He has been involved in multiplayer game development since 2015, and has released a number of indie real-time multiplayer games using Pixi.js and Three.js. Currently, Endel works for Lucid Sight, a game technology company based in Los Angeles.

Erick Wendel
Erick Wendel Training - Professional Educator, Brazil
Erick Wendel is an active Node.js core committer, Keynote Speaker, and professional educator. He has given over 100 tech talks in more than 10 different countries worldwide. He was awarded as a Node.js Specialist with the Google Developer Expert, Microsoft MVP, and GitHub Stars awards. Erick Wendel has trained more than 100K people around the world in his own company https://erickwendel.com

Erik van der Voort
ING, Netherlands
Erik van der Voort has been working in Information Technology for over 25 years now. Starting as a developer, he moved to other roles like technical and functional designer and project- and portofolio-management. Quite some years ago, he discovered engineering was what made him really happy so since then he has been working in several Ops- and DevOps-roles within ING. For the past five years Erik is one of the engineers within the Fruitloops-team. This team of engineers mainly focuses on building and deploying front-end applications on a global scale within the company.

Erin Fox
ConvertKit, USA
I’m Erin - raised in the Bay Area, schooled in Sonoma, Hawaii, and NYC. I’m a software engineer with a drive for JavaScript, React, explaining things simply and cats. I hold a MA in Communication from Hawaii Pacific University and previously worked at Major League Soccer on the mobile team. I’ve given talks internationally and across the US on the work I’ve been doing. I keep busy with new side projects, reading all of Reese Witherspoon’s bookclub books, re-watching Frontend Master courses, and tweeting about it all on Twitter.

Eva Ferreira
Mabl, Argentina
Eva is a Front-End developer who loves cats and makes many Harry Potter jokes. From Buenos Aires, Argentina Eva enjoys making websites and teaching HTML, CSS, SVG and JavaScript. Eva loves the challenge of developing fast, accessible and responsive interfaces, layouts and animations. CSSConf Argentina organizer.
Evan Purkhiser
Sentry, USA
I am a software engineer who is passionate about building high-quality systems, tools, and applications.
I am continually striving for the feeling of having built something I’m proud of, something I know that I didn’t take shortcuts on, and something worth sharing. I also have a deep appreciation for modern design aesthetics and robust interaction design. The melding of form and function is my holy grail.

Evyatar Alush
Meta, Israel
Evyatar, Front End Engineer at Facebook. In my free time I maintain multiple open source libraries and packages, and volunteer as a mentor in a local tech community, introducing developers of all levels to their first open source contributions. My passion is dev ergonomics and building tools and libraries for other developers to use.

Feross Aboukhadijeh
Socket, USA
Feross is the founder and CEO of Socket, where he's working on a new approach to supply chain security by auditing every package on npm to detect suspicious changes and block supply chain attacks without slowing the development process. Feross is the author and maintainer of WebTorrent, StandardJS, and 100s of other open source projects. His software is downloaded 500+ million times per month. He was a lecturer at Stanford where he created the course CS 253 Web Security.
Filip Hric
https://filiphric.com/, Slovakia
Filip Hric is an independent educator who likes to teach testers about web development and developers about testing.
Filip has a great passion for learning new things and sharing everything he learns with the world. He has become a Cypress.io ambassador and he has a blog at filiphric.com where he publishes weekly Cypress.io tips.
He’s an author and instructor of live Cypress workshop where he teaches basics as well as advanced concepts for testing Cypress.
Enjoys running, playing guitar and spending time with his wife and four children.

Filip Voska
Infinum, Croatia
Filip graduated from Faculty of Electrical Engineering and Computing, University of Zagreb in 2017 and has started his careers at Infinum as JavaScript Engineer. Over the years, FIlip gathered knowledge of various Frontend topics, with focus on Angular, and became Angular Lead Engineer. Some more time passed and Filip started focusing more on soft-skills and became JavaScript Team Lead at Infinum, while still continuing to do Angular development and being involved in architecture-level decision-making.
As for FIlip's personal interests and hobbies, he likes PC/Nintendo Switch Gaming, messing around with HiFi gear and mehcnical keyboards, and being a loving husband & father to his wife & child.

Florian Rappl
smapiot, Germany
Dr. Florian Rappl is a solution architect from Germany who is specialized in the creation of scalable distributed web applications. These days he is almost exclusively working on micro frontend solutions. He wrote a book on the topic and regularly gives workshops at conferences and directly for companies. Florian is a long time Microsoft MVP in the development tools area.

Francois Bohyn
Prismic, France
Francois is the Revenue Ops person at Prismic. For his team he has experience with the recruitment process of two roles: Solutions Engineer and Growth Engineer. These are pretty new kinds of roles, but which are very popular recently and that you might want to hear about if you are an engineer who enjoys understanding the business side of things.

Frank Force
Game Designer, Software Engineer, USA
Frank has worked in the games industry for over two decades and has also released many games and tools on the side. To his count there are over 50 releases, with source code available for most. Here’s a full list of everything he has released!
Frank currently works as an independent developer in Austin Texas. In the past he has worked at Rooster Teeth Games, Certain Affinity, LightBox, Volition, Midway Games, and Hypnotix.

Frans van Dunné
ixpantia, Costa Rica
Frans is Chief Data Officer at ixpantia. He combines a diverse skill-set, that includes business analysis, data analysis and enterprise architecture, with more than 15 years of experience to help organizations respond to their data driven innovation needs quickly and effectively. Frans has a PhD in biology from the University of Amsterdam and has taught at universities in Europe and Latin America. As a consultant he has facilitated in-company training on diverse topics, including data driven innovation, applied statistics, statistical programming and machine learning.

Gabriel L. Manor
Permit.io, Israel
I'm a senior full-stack developer with a favorite kid named Security. For over ten years now, I've enjoyed writing clean code, simplifying complex problems, leading feature development, and influencing innovation every day. When I’m not busy with code, you’ll find me talking about application performance, building confidence in code-bases, product architecture, developing organizational culture, and other nerdy dev stuff. Besides all that, I'm a father of two, a hobbyist photographer, lego builder, and food creator.

G. Ann Campbell
SonarSource, USA
G. Ann Campbell coded JavaScript for early browsers (think Netscape 3, IE 4), plus Perl, C, and Java. She became a vocal member of the SonarQube community in 2010 and joined SonarSource in 2013, after co-authoring SonarQube in Action. Her software career has spanned support, documentation, coding, and product management. Through the SonarQube community, she has helped hundreds of people understand how to make the most of SonarQube to write Clean and Secure Code.

Gant Laborde
Infinite Red, USA
Gant Laborde is an owner of Infinite Red, mentor, adjunct professor, published author, and award-winning speaker. For 20 years, he has been involved in software development and continues strong today. He is an “open sourcerer”, team leader, and aspires to one day become a mad scientist. He blogs, videos, and maintains popular repositories for the community. Follow Gant’s adventures at http://gantlaborde.com/.

Gavin Ray
Hasura, USA
Full Stack Web Developer with expertise in all aspects of the web development life cycle, including requirements analysis, design, development and production support. Primary strengths are Node & Javascript (ES6, React, Vue), React Native, Ruby on Rails, Amazon Web Services/Heroku, and SQL + NoSQL Database Management.

Gil Tayar
Microsoft, Israel
35 years of experience have not dulled the fascination Gil Tayar has with software development. His passion is distributed systems and figuring out how to scale development to big teams. Extreme modularity and testing are the main tools in his toolbelt, using them to combat the code spaghetti monster at companies like Wix, Applitools, and at his current job as software engineer at Microsoft.

Giorgio Boa
Claranet, Italy
Giorgio Boa is a full stack developer and the front-end ecosystem is his passion. He started to develop applications in 2006 and in 2012 he falls in love with JavaScript. He is also active in open source ecosystem, he loves learn and studies new things. He is very ambitious and he tries to improve himself every day.
Giulio Zausa
Flux.ai, Austria
Giulio is an Italian software engineer working at Flux and contributing to open source with Poimandres. He's deeply passionate about pushing the web platform to its limits, building things like custom React reconcilers, real-time computer vision on Web Workers and flex layout engines for THREE.js.

Gleb Bahmutov
Mercari, USA
Gleb Bahmutov is a JavaScript ninja, image processing expert, and software quality fanatic. During the day Gleb is making the engineers more productive at Mercari US in his position as the Senior Director of Engineering. At night he is fighting software bugs and blogs about it at glebbahmutov.com/blog. You can follow him and his work @bahmutov and find the slides from conference presentations at slides.com/bahmutov.
Gleb is a GitHub Star, Algolia Ambassador, Microsoft MVP, and ex-Cypress Distinguished Engineer.

Greg MacWilliam
Shopify, USA
Greg is presently focused on web applications built using Ruby on Rails, VueJS, Webpack, and JavaScript. He is also experienced with HTML5, CSS3, SCSS, responsive design practices, and visualizing large data sets using SVG, Canvas, and major web mapping frameworks. He is also fluent with RESTful and GraphQL API design, Django, Rails, Node, and some WordPress experience.
Additional programming experience with iOS/Objective-C for iPhone, Flash/ActionScript3, and object-oriented design practices. Familiar with agile software development and SCRUM workflow; experienced with providing estimates.
Current side projects include EpoxyJS (data binding extension for Backbone), ConstellationJS (a grid-based geometry toolkit), and the HTML5/Django-based Lassie Constellation admin system.

Grgur Grisogono
Modus Create, Croatia
Grgur is Director, Engineering at Modus Create and also your friendly neighborhood JavaScript engineer who loves connecting business with technology. Grgur loves telling stories and anecdotes, fueled by the experience of working with dozens of Fortune 1000 companies since 2005. He also enjoys talking about sourdough baking, latte art, and brean-to-bar craft chocolate.

Griffin Smith
ReadySet, USA
Griffin Smith is the dataflow tech lead at ReadySet. They spent the first decade of their career as a full-stack application and data pipeline engineer, where they developed a deep dissatisfaction with the current offerings in the database world, and passion for making the experience of using databases easier and more delightful for application engineers. They joined ReadySet in 2020 as the second full-time hire to make that vision a reality. In their spare time, Griffin likes to play music and ride bikes around Brooklyn, NY.

Haifeng Jin
Keras Team at Google, USA
Haifeng is a member of Keras team at Google and a PhD candidate in DATA Lab at Texas A&M University. His research interests are AutoML and deep learning. He is the creator and project lead of AutoKeras, which aims to make deep learning more accessible with AutoML techniques.

Håkan Silfvernagel
Miles AS, Norway
Håkan holds a Master of Science degree in Electrical Engineering and in addition, he holds a Master’s degree in Leadership and Organizational behavior. He has also taken courses on university level in psychology, interaction design and human-computer interaction. He has 20 years’ experience of software development in various positions such as developer, tester, architect, project manager, scrum master, practice manager and team lead.
Håkan is Chairman of the local chapter of the Norwegian .NET User Group Oslo (NNUG) and is active as an Ambassador for Oslo.AI the local chapter for the global City.AI community.
Håkan is a Microsoft Most Valuable Professional (MVP) in AI.
Currently, Håkan is working as Manager AI and Big Data at Miles AS, a Norwegian consultancy company.
Hanna Chen
Shopify, Canada
As a former agency developer, Hanna has experience building apps on various platforms. At Shopify, she is a front-end developer on a team dedicated to building out the capabilities that enable great embedded apps. Hanna has spent the last three years building and maintaining Shopify App Bridge, a JavaScript library that lets developers embed apps directly inside the Shopify Admin and Shopify POS.

Henri Helvetica
Webpagetest by Catchpoint™, Canada
Henri is a developer who has turned his interests to a passionate mix of site performance engineering with pinches of user experience. This led to him joining WebPageTest by Catchpoint as Head of Developer Community.
When not reading the deluge of daily research docs and case studies, streaming, or profiling sites in his favourite tool, Henri can be found contributing back to the community as he presides over the Toronto Web Performance Group meetup + Jamstack Toronto meetup, curating conference content or volunteering his time for lunch and learns at various bootcamps.
Otherwise, Henri is focusing on running the fastest 5k possible (surprise surprise), encouraging a healthy lifestyle and sharing it all via #devsWhoRun.

Houssein Djirdeh
Google, USA
After writing his first line of JavaScript, it only took Houssein three short years to become an accomplished developer, author, speaker, and advocate. He is an engineer on the Chrome and Web team at Google working on improving the open-source framework ecosystem. Houssein has given talks on progressive enhancement and building for the mobile user at dozens of conferences and events worldwide.

Hung Nguyen
Full-time Open Source Contributor, Vietnam
Hung Nguyen is a full-time Open Source Contributor. He loves to help others with his software. He is obsessed with Developer Experience (DX). So he created jest-preview to help frontend engineers to write and debug Jest tests effortlessly. He is also a core member of bestofjs.org, a curated list of Javascript packages, which helps you to follow the growth of the Javascript ecosystem.

Ian Johnson
ObservableHQ, USA
Ian Johnson is a data visualization developer and software prototyper at ObservableHQ. Ian has been turning data into pixels for more than 15 years, cheering on the developments in web standards and open source technologies that enable ever richer forms of communicating data.
Ian helped found the Bay Area D3 User Group, a community of thousands of d3.js practitioners, to learn from other like-minded folks. He has prototyped software and visualizations for companies, researchers and causes. He enjoys sharing his understanding and is often tweeting about data visualization and the creative process.

Illya Klymov
GitLab, Ukraine
Illya is Senior Frontend Engineer in GitLab and Ph.D. in computer science. His passion is building reliable software and even more - discovering how to bring reliability to life in baby steps for legacy projects. He has over 15 years of experience in JavaScript, owned own software development company for 7 years and quit tha because realized that engineering is his real passion. In GitLab he is not only experimenting with bringing hype technologies to legacy codebase but also works hard on increasing the quality of frontend testing suite. Believed that GitLab CI/CD pipeline language is the best tradeoff between power and reliability long before joining GitLab and now is absolutely sure of that. Does not trust his own code and automates every single check possible.
An active contributor of @vue/test-utils.

Itai Hanski
Descope, Israel
For more than twelve years, Itai has been creating on the full spectrum of software development. Anything from simple POCs to intricately complex systems, from native mobile development to fully fledged backend architecture, from libraries and SDKs to client facing applications.

Ivan Akulov
Google Developer Expert, PerfPerfPerf, Netherlands
Ivan is a Google Developer Expert, web performance consultant, and full-stack software engineer. His web performance experience has helped clients like Google, Framer, Appsmith, and many more. He currently runs the web performance consulting agency PerfPerfPerf.
Outside of work, Ivan enjoys exploring modern art, discovering lesser-known electronic and techno artists, and obsessing over serif typefaces.

Ixchel Ruiz
JFrog, Switzerland
Ixchel Ruiz a DA @ JFrog has developed software applications and tools since 2000. Her research interests include Java, dynamic languages, client-side technologies, DevSecOps, and testing. A Java Champion, Groundbreaker Ambassador, CD Ambassador, Hackergarten enthusiast, open source advocate, public speaker, and mentor, Ixchel travels around the world (sometimes virtually) sharing knowledge—it’s one of her main drives in life.

Jake Bailey
Microsoft, USA
I'm Jake and I'm a Senior Software Engineer at Microsoft working on TypeScript. I'm mainly focusing on performance and infrastructure, but still work on whatever's fun (or manages to nerd-snipe me)! Before TypeScript, I worked on Pylance and pyright on Microsoft's Python team.

Jamie Maria Schouren
DEITY, Netherlands
Jamie Maria started as a native app developer but soon jumped into the world of JavaScript, Progressive Web Apps and Service Oriented Architectures. Driven by the urge for innovation she co-founded DEITY with the aim to improve the online world around her by introducing middleware and SOA as a standard to any e-commerce platform.

Jared Palmer
Formium, USA
Creator of Turborepo, a high-performance build system for JavaScript and TypeScript codebases.
Jared is the founder of Formium, a developer-focused workflow for building forms and surveys. Prior to that, Jared was the Engineering Lead at The Palmer Group, a strategy, design, and engineering firm based in New York City. He is also the co-host of The Undefined Podcast. An educator, speaker, and open source software enthusiast, Jared is the author of popular projects including Formik, Razzle, After.js, TSDX, Backpack, The Platform, and react-fns. Prior to The Palmer Group, Jared created Skiptu, a content management platform and application framework for Android lockscreens purchased by Unilever.

Jason Green
Threads Styling, UK
Jason’s passion for the digital world has taken him across the entire spectrum of the creative process, from conceptualization to deployment. Jason is now Director of Technology at Threads Styling, building a platform to empower personal shoppers and power the future of chat commerce.

Jason Lengstorf
Netlify, USA
Jason Lengstorf works at Netlify and hosts Learn With Jason. He spends a lot of time telling people that the formula for success and happiness is to lift each other up and share what we learn. He is trying his very best to follow his own advice. He lives in Portland, Oregon.

Jason Mayes
Google, USA
Jason is a Senior Developer Advocate for TensorFlow.js at Google.
Jason combines his knowledge of the technical and creative worlds to solve complex, strategic / technical challenges for Google's largest customers and internal teams. Developing innovative world firsts utilizing the latest technologies and hardware is a key component of his role to rapidly prototype new ideas and consult on project solutions globally.
With a background in Computer Science at the University of Bristol, England, where he specialized in reality mining and invisible computing, Jason has been a "hybrid engineer" for over 15 years. Combining his passion for several areas including both front and back end web programming, but also design and user experience, he has worked in many sizes of companies from startups (including founding his own) to Google.

Jason Santos
Rangle, USA
Jason Santos is a Senior Solution Architect at Rangle.io, where he is responsible for mentoring teams, understanding problems, finding solutions, and providing technical expertise to different projects. In the few years he has been at Rangle, he was able to contribute to the success of large projects in the Banking, Healthcare and Electronic Payment spaces, helping shape Enterprise architecture, leading teams and implementing full stack solutions using NodeJS microservices and cloud-native technologies, as well as both Angular and React. He brings with him 30 years of experience in building software across multiple languages and environments, from embedded software to IDEs and Debugging tools -- designing and implementing software frameworks and building applications on both back-end and front-end since the late 1990s. Being a certified SAFe Agilist, Jason is a strong advocate of process improvement, DevOps and agile delivery practices; he is also passionate about knowledge sharing and mentoring other developers.

Javier Alcaide Pérez
Bluetab Solutions, Spain
Javier Alcaide is a mathematician and software developer focused on data science and machine learning. His professional career is based on the use of advanced analytics and big data techniques within the financial sector. His current role is the design and construction of AI models and the analysis of data using ETL processing with Big Data technologies.

Jaxon Repp
HarperDB, USA
Jaxon has 25 years of experience architecting, designing, and developing enterprise software. He is the founder of three technology startups and has consulted with multiple Fortune 500 companies on IoT and Digital Transformation initiatives. A partially-reformed developer, he understands what it’s like to wrestle with technology instead of benefiting from it, and believes passionately that if the Jetsons never had an episode where a config file error brought down the food-o-matic, it surely should not be a problem now.

Jayeeta Putatunda
Indellient US Inc., USA
Jayeeta is a Senior Data Scientist with 4+ years of industry experience. Currently, she is working on machine learning and NLP projects and explores a lot of state-of-the-art models to build cool products at Indellient US Inc., a leading software development and IT professional services company working with Fortune 100 companies. Prior to that, she worked at Deloitte. Jayeeta is also engaged with some amazing organizations like Women Who Code and Women Tech Network to promote and inspire more women to take up STEM and often leads technical webinars and talks. She received her Master of Science in Quantitative Methods and Modeling from City University of New York, NY and Bachelor of Science in Economics and Statistics from West Bengal State University, India.

Jean Duthon
Babbel, Germany
Jean grew up in France, where he studied computer science and got his master’s degree from the Université de Technology de Compiègne, where he grew fond of web technologies. He moved to Berlin in 2016 and started working with vanilla JavaScript, jQuery, and Angular1 until he discovered React and thought, “Wow, this is how web apps should be built.”
Those days he worked mainly with React at Babbel (the best learning language app! 😜)and loves creating enticing user experiences on the web, he has a soft spot for animations and delightful interactivity.
In his free time, he loves to cook, make cocktails (ask for advice at your own risk), and play escape/board games.

Jecelyn Yeen
Google (Chrome DevTools), Germany
Jecelyn Yeen is a DevRel engineer at Google working on Chrome DevTools and Browser Automation. Her work focuses on understanding and activating the ecosystem around developer tooling.
When she’s not coding (and avocado-ing), she’s jumping into mysterious sea waters in search of narwhals and mermaids.

Jeff Hoffer
Rollbar, USA
Jeff Hoffer is the Technical Leader for Growth at Rollbar, working to improve Rollbar's current products and assist in developing new products that engage customers by bringing Continuous Code Improvement tools to where they are. With over 20 years of experience developing software for startups and enterprises, scaling to Internet traffic, building and maintaining commercially licensed products, and developing internal enterprise tools, Jeff has worked as a Software Engineer, Software Architect and in Director and VP roles leading technology organizations at Intuit, The Bouqs Company, Lunchbox (acquired), Accordent (acquired by Polycom) and Countrywide along with consulting work at many other prominent firms. Jeff has a passion for software development which is why he loves working at Rollbar so much with the focus on improving the professional lives of developers and the strong engineering culture.

Jemima Abu
Telesoftas, Nigeria/Lithuania
Jemima Abu is a self-taught Front End Developer and school-taught Systems Engineer from Lagos, Nigeria.
She currently works at Telesoftas, a software company based in Lithuania. She is an avid advocate for diversity and intersectionality in technology and accessibility in web development.
She's also a huge nerd, slightly obsessed with cats and can usually be found on her laptop, coding or watching slice-of-life anime.

Jen Looper
Microsoft, USA
Jen is a Google Developer Expert and a Cloud Developer Advocate Lead at Microsoft with over 20 years' experience as a web and mobile developer, specializing in creating cross-platform mobile apps. Jen is a multilingual multiculturalist with a passion for hardware hacking, mobile apps, Vue.js, machine learning and discovering new things every day. I'm also the founder and CEO of Front-End Foxes, an international initiative and a 501(c)(3) nonprofit created to help women learn front-end technologies.

Jen Luker
Gremlin, USA
Jen Luker is a Sr. Frontend Engineer, conference speaker, and BookBytes podcast co-host. She has spent the majority of her career as a full-stack developer using PHP, Javascript, and CSS, but has a particular fondness for frontend technologies. She is an advocate for both accessibility, and processes that make doing the right thing easy and the wrong thing hard. When she's not exploring solutions, learning new technologies, or reading, Jen's spare time is spent spinning yarn from raw wool and knitting; she's even been known to 3D print her own tools for the job. She is also fascinated by all things space, antique cars, and IoT.

Jenn Creighton
Netflix, USA
Jenn Creighton is a senior software engineer at Netflix. She hosts Single Threaded Podcast. Organizer of Women of React 2020 conference & useReact.NYC meetup.
Jenn lives in New York with her two cats and maintains a Home for Abandoned Succulents, Mismanaged Plants and Otherwise Ailing Flora.
You can find her online - [@gurlcode](https://twitter.com/gurlcode).

Jennifer Gray
Shopify, Canada
Jennifer is a front end developer on the Docs and API Libraries team at Shopify where our goal is to make it easier for developers to build on Shopify’s platform by creating and curating technical resources. Jennifer has spent the last two years working on shopify.dev, Shopify’s home for developer documentation.

Jenny Lea
Figma, UK
I am a Software Engineer at Figma, hailing from Leeds in the UK. I have always worked full stack but there is a special place in my heart for anything visual, which has lead me to my role on the Developer Tools team at Figma. What excites me about technology is being able to rapidly iterate on things and work with the smartest people around to build cool stuff! In my spare time I enjoy hanging out with my cat, oil painting and getting out into the countryside on my own two feet.
Jessica Cregg
LaunchDarkly, UK
Jessica is a Developer Advocate at LaunchDarkly, where she speaks about change and writes about the human implications of engineering decisions. She writes for a selection of tech publications and works as a co-organiser of DevOpsDays London and the regular meet-up group DevSecOps London Gathering. She also works with Coding Black Females to improve equal and equitable representation within the technology industry.

Jessica Sachs
Ionic, USA
Jess is a Staff Engineer at PathAI where she’s building out their Component Library: Anodyne. She’s been coding for more than 11 years and has worked professionally within the Open Source community, recently leaving Cypress after building and shipping Cypress Component Testing. She is a Core Team Member of both Cypress and Faker and a contributor to Vue and Vitest. She’s also an educator at Vue Mastery.

Joe Hart
Developer Advocate, UK
Joe Hart has been a web engineer at Monzo, the BBC and LEGO. These days he's contracting his React skills out to those who need it. By night he's also a competition winning Standup Comedian, often blending technology and comedy live on stage at various pubs, theatres and tech conferences.

Joe Karlsson
MongoDB, USA
Joe Karlsson is a software engineer turned Developer Advocate at MongoDB. He comes from the frozen tundra of Minneapolis, Minnesota (and yes, it does get really cold here, and no, not everyone here has the accent from the movie, Fargo). Joe has been primarily a Node and JavaScript engineer. He has been writing, teaching, and talking about code his entire career. Sharing what he knows and continuing to learn about programming is truly the thing he loves doing the most.

Joel Lord
Red Hat OpenShift, Canada
Joel Lord is passionate about the web and technology in general. He likes to learn new things, but most of all, he wants to share his discoveries. He does so by travelling at various conferences all across the globe.
He graduated from college in computer programming in the last millennium. Apart from a little break to get his BSc in computational astrophysics, he was always in the industry.
As a developer advocate with Red Hat OpenShift, he meets with developers to help them make the web better by using best practices around Kubernetes.
During his free time, he is usually found stargazing in a camping site somewhere or brewing a fresh batch of beer in his garage.

Johan Eliasson
Nhost, Sweden
Johan Eliasson is CEO & Co-Founder of Nhost. Johan has been building apps his whole life and is passionate about making it easy to develop web and mobile apps. Prior to Nhost, Johan helped grow his family business, driving innovation in the Swedish water treatment market. Johan graduated from Blekinge Institute of Technology with a Master of Science in Computer Security, Computer & Information Systems.

Johannes Goslar
Twitter, Germany
Johannes started developing iOS games in high school, creating his own LISP dialect on top of the ObjC runtime for faster iteration. In his undergrad at h_da Darmstadt he taught computers forgetting, after which he spend 2 years developing semantic SaaS solutions in TypeScript. Going back to academia he did his MSc at Oxford, combining archaeology and computer science with react. After a year in San Francisco implementing video conferences in IE11, he successfully bankrupted 2 start-ups in Berlin and is now working at a stealth startup in London when not designing boardgames.

John Papa
Microsoft, USA
John is a professional Web and Mobile Developer, avid OSS and community advocate, dedicated father and husband. He is currently a Developer Advocate for Microsoft and has formerly worked for Disney on several web and mobile applications that you may have used.
John is the author of various OSS such as Peacock, the Angular Style Guide, and many popular courses. You can listen to him on the popular weekly podcast Real Talk JavaScript.

John Reilly
Investec, UK
Long-time Londoner, born in Bristol and raised in Fleet.
I blog at https://blog.johnnyreilly.com and I work/have worked on a number of open-source TypeScript projects including:
- Definitely Typed
- ts-loader
- fork-ts-checker-webpack-plugin
I also wrote the history of Definitely Typed: https://blog.johnnyreilly.com/2019/10/08/definitely-typed-movie.

Jonas Kruckenberg
CrabNebula, Germany
As a self-taught web developer, I quickly discovered my love for lightning-fast software - whether it's a website or an app. This passion has sent me on a long journey from fine-tuning websites to exploring the exciting world of Local First Software and peer-to-peer networking.
Along the way, I can't help but ponder what our digital will look like, and how we can make it more secure, privacy-focused, and beneficial for humanity. Putting my money where my mouth is, I’m currently working on Tauri, a framework to build smaller, faster and more secure apps.

Jonathan Bakebwa
rct.ai, China
Jonathan Bakebwa is the creator and maintainer of Chakra UI Vue, a component library focused on making accessible Vue.js websites and applications fast.
Jonathan is also an Engineering Manager at rct.ai as well as the co-founder of the Vue Beijing Meetup in China.
He has also authored Vue.js utility libraries in the Vue ecosystem and is currently building the next version of Chakra UI Vue.
When he is not coding, Jonathan enjoys playing the guitar, reading and learning about startups.
Jon Meyers
Supabase, Australia
Jon Meyers is a Software Engineer, Educator and Hip Hop Producer from Melbourne, Australia. He's passionate about web development and enabling others to build amazing things! He is currently working as a Developer Advocate at Supabase, showing just how awesome databases can be!
Joran Quinten
Jumbo Supermarkten, Netherlands
Jorans passion involves getting people to love technology and technology to play nice. He works as an interaction developer with ♡ for web.
Focussed on levelling up the design system @ Jumbo Supermarkten. 🧭 Collaborating with Fontys University @ InnovationLab. 🧪
Writing a book on real world projects with VueJS 3 @ Packt Publishing. 📚

Jordan Harband
Coinbase, USA
TC39 team member and an editor of the specification from 2018-2021. Jordan has been heavily involved in the node community for as many years, and has gradually created (but mostly inherited or been gifted) a decent number of open source projects.
His focus is JavaScript, standards, frontend web development, full stack (frontend + backend + db) architecture design, and overall object oriented code optimization.

Joren Broekema
Netherlands
My background is in Industrial Design where I slowly fell in love with web development and code. I have been a front-end developer for almost 3 years professionally. I also like to dabble in backend and DevOps in my spare time or when work allows for it. I have started doing more workshops and trainings since the last year, and I created a project called code-workshop-kit where I try to use a combination of tools, some of which I created myself, to make code workshops work well remotely.

Jorrik Klijnsma
Ordina, Netherlands
Jorrik’s first lines of code were in the days jQuery ruled. That didn’t scare him. Now he has 6+ years of frontend experience using React and Vue during his day job. In the evening and night hours, a lot of fun projects and other libraries passed his ‘git clone’. When not coding he gets his fair share of laughs going to comedy shows.

Josh Goldberg
Codecademy, USA
Hi, I'm Josh! I'm a frontend developer from New York with a passion for open source, static analysis, and the web. I work at Codecademy as a frontend engineer on our core Web Platform team. I'm passionate about open source and bringing accessible education to the masses in a sustainable way.

Josh Justice
Test Double, USA
Josh Justice has worked as a developer since 2004 across frontend, mobile, and backend platforms. As a consultant he collaborates with teams to help them deliver great apps by optimizing their tech stack and development practices. He also writes, speaks, and livestreams about React and React Native, testing, and software design.

Joshua Nelson
Airbnb, USA
Joshua is a developer at Airbnb, working on improving the front end performance of the most visited pages on the site! Joshua cares deeply about ensuring fast experiences for everyone, and has worked on performance optimization and instrumentation to achieve this.
With experience building both UI platforms, design systems, and product UI, Joshua has learnt what really works when it comes to performance (and what doesn't!) and is looking forward to sharing these lessons with you.

Juarez Barbosa Junior
Microsoft, Ireland
Juarez Barbosa Junior has +20 years of experience in several IT-related roles throughout his career, currently working for Microsoft as the Azure Developer Engagement Lead in Ireland.
Previously, he's worked for Oracle as a Principal Blockchain Developer Advocate and as Thought Leader and Technical Evangelist in IBM Mobile and IBM Watson.
He's passionate about engaging developers and communities to present and discuss the latest technologies related to Blockchain, IoT, Cloud Native, AI, and other Emerging Technologies, with a particular focus and interest in Microsoft Azure.

Julie Ng
Microsoft, Germany
Julie is an Engineer at Microsoft focussing on the Azure Customer Experience who refuses to give up her mac for Windows. Previously she was an Enterprise Architect at Allianz Germany as they started their cloud journey in 2016 that included full CI/CD with Jenkins, single page apps and containers. When she's not conducting architecture design and CI/CD reviews with Azure customers or building POCs you can find her surviving lockdown by YouTubing about real world engineering or jogging and rock-climbing.

Juliette MacPhail
mabl, USA
Juliette MacPhail is a Product Manager at mabl, where she spends her time working on a low-code platform for simplifying test automation and helping teams ship high-quality software. She’s passionate about understanding core challenges in the test automation space and enabling the transition to quality engineering. As an active member of mabl’s DEI committee, she spends her spare time on initiatives related to accessibility, inclusivity, and mental health in the workplace.

Júlio de Lima
CAPCO, USA
Júlio de Lima is a specialist in Software Testing with 13 years of experience. Júlio has a Bachelor's Degree in Software Engineering, a specialization in Teaching in Higher Education and a Master's Degree in Electrical and Computational Engineering with a focus on Testing and Artificial Intelligence. He currently lives in Orlando, Florida. He serves as Principal QA Engineer at Capco, helping financial institutions establish robust and sustainable testing strategies. He uses his coding and architecture skills to contribute to software quality at all system layers. Júlio has contributed to the software testing community through his channels on YouTube, Instagram, Spotify, and in articles for technical and scientific magazines. He has experience as a speaker at international events and has trained more than 9,000 students through his online training in Portuguese.

Jupiter Hadley
Pocketgamer, UK
Jupiter is a prolific indie game journalist. She covers thousands of game jams and indiegames on her YouTube channel, letting every game have a moment in the spotlight. Jupiter is also the Adept Games Wizard at Armor Games where she finds free-to-play, browser-based games to bring on board to their web portal and has been working from home for all of her adult life.

Juri Strumpflohner
Nx, Italy
Juri Strumpflohner lives in the very northern part of Italy and is currently working as a JavaScript Architect and Engineering Manager at Nrwl, where he consults for some of the world's biggest companies around the globe. Juri is very involved in the community. He's a Google Developer Expert in Web Technologies & Angular, speaks at international conferences, teaches on Egghead.io, or writes articles on https://juri.dev. He's also a core member of Nx.

Kalen McKelvey
Netflix, USA
I'm a frequent traveler, too much coffee drinker, and a constant Reddit lurker. Since Diablo 1 piqued my interest in learning how to program, I've been on a mission to continuously grow through my career and personal experiences as a Software Engineer. I hope to share the things I learn with the world!
Kamil Ogórek
Sentry, Poland
Senior Software Engineer at Sentry, working with SDKs, CLI and debugging tooling. Passionate about software development, with a special affinity for web technologies.
After hours training and nutrition geek, a weightlifter, a climber, a recreational cyclist, a drummer and a music lover. Loves to cook and admires great food.

Kamran Ayub
Kamranicus, USA
Kamran is a DevEd consultant who helps developer marketers create lean, mean lead-generating content cuisine. He writes about how to avoid fast food developer content marketing in his DevEd Test Kitchen newsletter and hosts DevEducate, a podcast about creating remarkable developer learning experiences. You can learn more at https://deved.love.

Karen Huaulme
MongoDB, USA
As a Principal Developer Advocate at MongoDB, Karen Huaulmé (pronounced “You-Old-Maid” - but with no d’s) develops and presents applications to help developers unleash their creativity across all aspects of data and technology. Leveraging her past experience as a Solutions Architect for some of MongoDB’s most demanding customers, Karen loves to trigger that “aha” moment in the minds of developers - when they recognize a better path to simplify, enhance, and accelerate their projects in ways they never thought possible.
Prior to MongoDB, Karen spent most of her career working with video game developers as a Solutions Architect and Integration Engineer at Nvidia, Amazon and Twitch. In her free time, Karen embarrasses her 2 kids, spoils her dog, and feeds her addiction to adventure travel - not necessarily in that order.

Karol Przystalski
Codete & Medtransfer, Poland
Obtained a PhD degree in Computer Science in 2015 at the Jagiellonian University in Cracow. CTO and founder of Codete. Leading and mentoring teams at Codete. Working with Fortune 500 companies on data science projects. Built a research lab for machine learning methods and big data solutions at Codete. Gives speeches and trainings in data science with a focus on applied machine learning in German, Polish, and English. Used to be an O’Reilly trainer.

Katarzyna Wojdalska
ec0lint, Poland
Katarzyna is the Co-founder and CEO of ec0lint - a tool for frontend developers that mitigates the carbon footprint of websites. On top of that, she works as a Project Manager in the nanotechnology company Nanores. Her focus lies on diamonds and vacuum sensors. Katarzyna enjoys cooking Asian food and visiting art exhibitions in her free time.

Kathleen McMahon
Northwestern Mutual, USA
Kathleen is a software engineer, designer, and conference speaker, who has deep industry experience that fuels her passion for making apps beautifully accessible. She’s currently a Senior Design Systems Engineer at Northwestern Mutual, she's also a Color Module Specification Editor for the W3C Design Tokens Community Group. She is the Creative Director for the CXsisters network in her spare time and the best lanterne rouge cyclocrosser you’ll ever meet.

Kathryn Nanz
Progress, USA
Kathryn Grayson Nanz is a developer advocate at Progress with a passion for React, UI and design and sharing with the community. She started her career as a graphic designer and was told by her Creative Director to never let anyone find out she could code because she’d be stuck doing it forever. She ignored his warning and has never been happier. You can find her writing, blogging, streaming and tweeting about React, design, UI and more.

Kat Kmiotek
Zoopla, Scotland
Kat works as Quality Engineer at Zoopla. Tried lots of paths: fine arts, comparative literature, social psychology and cognitive science studies before discovering the most enjoyable so far tech path. Kat solves modern browser testing challenges at work and jigsaw after work.

Kellen Mace
WP Engine, USA
Kellen Mace works on the Developer Relations team at WP Engine. He and his team produce content on how to build modern JavaScript apps powered by headless WordPress backends at [developers.wpengine.com](http://developers.wpengine.com/). He is a contributor to WPGraphQL and the creator of the WPGraphQL for Gravity Forms plugin. He has been building and launching production headless WordPress applications for a number of years, and loves teaching others how to do the same.

Kelli Rockwell
Sourcegraph, USA
Kelli is a fullstack engineer based in Seattle, WA and working at Sourcegraph to build tools that improve how we work with code. When she's not consuming boba, aka bubble tea, you can usually find her evangelizing TypeScript at yet another developer meet-up, advocating for women and underrepresented folks in tech, or nagging her teammates to update the docs.

Kent C. Dodds
Epic React, USA
Kent C. Dodds is a world renowned speaker, teacher, and trainer and he's actively involved in the open source community as a maintainer and contributor of hundreds of popular npm packages. He is the creator of EpicReact.Dev and TestingJavaScript.com. He's an instructor on egghead.io and Frontend Masters. He's also a Google Developer Expert. Kent is happily married and the father of four kids. He likes his family, code, JavaScript, and Remix.

Kevin Dorosh
Solo.io, USA
Kevin is currently leading the GraphQL engineering team at Solo.io. Formerly a big data infra admin at HubSpot, Kevin is passionate about the infrastructure space and giving to the community, with contributions to many open source projects such as Envoy, Flagger, and Gloo. Kevin enjoys working with customers and community users on real problems facing them today, and is excited to help bring organizations to Envoy, Istio, and a more modern, cloud-native, tech stack.

Kevin Gao
Descope, USA
Kevin is an engineer who is passionate about solving problems and learning new skills. When he's not speaking to customers or coding through sprints, you'll find Kevin either on the road driving fast up a twisty mountain road, reading historical fiction books, or looking for a new place in the world to travel to and explore.

Kevin Lamping
USA
Kevin Lamping is a Front-end Engineer and Tester. He runs a course on automated testing at http://learn.webdriver.io and has a YouTube Tutorial Channel (Front-end Testing with Kevin Lamping). In his free-time, when he's not playing with his kids, Kevin dabbles in tabletop gaming, disc golf and gardening.

Khrystyna Landvytovych
SoftServe, Ukraine
I'm a Frontend engineer in SoftServe and born cook in my former life. I love to learn something new and immediately put it into practice and share my experience with others.
I'm a mentor at Kottans, give public speeches, participate as program committee in fwdays, translate programming books and maintain an insta magazine @twoLip about my travels and hobbies.

Knut Melvær
Sanity.io, Norway
Knut Melvær (b. 1985) is a graduate in the study of religion\s who has pivoted into technology. He is currently working as Head of Developer Relations at Sanity.io. Previously he has been a senior technology consultant at Netlife, a reknowned Norwegian UX- and Design Agency. Before that a PhD Fellow at the University of Bergen.
As a technology consultant, he has held workshops in user research, technology strategy, and web development. He has been involved in projects with a wide range of clients such as Energi og Klima, NDLA, Enivest, Fearnley Offshore Supply, Norwegian Fund and Asset Management Association, Warner Music, De Bergenske Hotels, The Norwegian Government Agency for Financial Management, U4 Anti-Corruption Resource Centre, The City of Oslo, and Gjensidige.
Knut has extensive experience in research, dissemination, teaching, and writing. He has organized and taught courses from undergraduate to graduate level at university. His fields of study have been quantiative and qualitative methodologies in the study of religion, the evolutionary and cognitive science of religion, new religiosity, and digital humanities. He has done podcast interviews of Holberg Prize laureates and been a columnist in newspapers like Klassekampen, Sysla, and Morgenbladet.
Konstantin Klimashevich
Xebia, Netherlands
Konstantin works for Xebia as an IT professional with 10+ years of experience in software development, analysing, designing and developing enterprise applications, social games and services. In his spare time he's passionate about running, race cars and JavaScript.

Krasimir Tsonev
Antidote.me, Bulgaria
Krasimir has been writing for more then 10 years. Mostly code but also articles and books. You'll find him speaking on web related topics. Last couple of yeas he's been using React and its ecosystem extensively at Antidote.me. Where he and his team mates are trying to help patients reaching clinical trials.

Kristina J. Robinson
Influxdata, USA
Kristina J. Robinson is a Software Engineering Manager at InfluxData. With over 20 years of software development experience, she is thrilled to be a part of the InfluxData UI team. Most recently, Kristina spent time in the financial tech sector working as front-end developer. Kristina graduated from Rice University with a degree in Computational and Applied Mathematics. She currently lives in San Antonio, TX, with her husband and teenage son, and has another son in college. She also has two cats, and fosters dogs and cats frequently. She plays video games with both her boys. She reads voraciously, enjoys paper crafts and knitting, and plays several musical instruments.

Kristopher Jackson
Inklusiiv, Finland
Experienced Business Development Specialist with a demonstrated history of working in the information technology and services industry. Skilled in Sales, Customer Relationship Management (CRM), Event Management, Management, and Account Management. Strong business development professional with a Finance focused in Economics and African American History from the University of Illinois at Urbana-Champaign.

Krutie Patel
Deloitte Digital Australia, Australia
I'm a front-end developer. I create interactive web stuff using Vue js and Nuxt js. Some other frameworks and libraries I also enjoy working with include GSAP, Laravel ⚡️ and Jamstack (JavaScript, APIs + Markup). I love writing ✏️ articles about what I learn and share with Vue/Nuxt community. You can find my blog-posts on my website, which is also created using 👑 Nuxt js.
Apart from this, I also love creating colour-coded diagrams. I create them to capture and document my learning. Diagraming have been an effective tool in my learning journey of Laravel, Vue js and of course, my absolute favourite, Nuxt js.

Krystal Campioni
Shopify, Canada
Krystal has been working with development for 12 years. During this time she's had the opportunity to work in a wide range of projects from web and mobile applications to games and virtual reality. Currently, she works as a Senior Frontend Developer on the Insights team at Shopify, creating delightful data viz components. She's also been a tech coach on Rails Girls and presented talks and workshops at events like VueConf, RubyConf, Laracon, and CodeTalks. You can find out more about she's done so far on her website: http://krystalcampioni.com
Kyle Simpson
Software Engineer, Public Speaker, and Teacher, USA
Kyle Simpson is a human first and then an engineer. His mission is to show the world that the culture of empathy and relational information exchange are keys to unlocking the full potential of every human in the workplace. JS and open web technologies are among Kyle's favorite tools to augment human endeavors. Kyle has published 10+ books on JS, taught thousands of developers from teams around the world, and his training videos have been watched over 750,000 hours. He's still fighting for the people behind the pixels.

Lainey Feingold
Law Office of Lainey Feingold, USA
Lainey Feingold is a disability rights lawyer in the United States who has worked to make the digital world more inclusive since 1995 and negotiated the first web accessibility agreement in the United States in 2000. Lainey is an international speaker and the Digital Accessibility Resource for the global business to business non-profit Disability:IN. Lainey believes in collaboration over conflict. She developed and practices Structured Negotiation, a problem-solving strategy that avoids lawsuits and focuses on lasting change and relationship-building in the digital accessibility space. She is the author of Structured Negotiation: A Winning Alternative to Lawsuits.

Laura Silvanavičiūtė
Swedbank, Lithuania
Laura is a software engineer obsessed with front-end development. She is also teaching teenagers about Web Technologies. 2 years ago Laura was on the Dark side - developing with COBOL programming language on Mainframe supercomputers! Due to slow evolvement and limitations of used technologies, she decided to shift them pretty drastically. Laura believes we shouldn't stick to any specific technology in this rapidly evolving IT World, but try and use various different ones instead. Every new experience increases our creativity, knowledge, curiosity and expands mindset. Her latest discovery was music programming, and she wants to share it with us!

Laurence Moroney
Google, USA
Laurence Moroney leads AI Advocacy at Google, working as part of the Google Research into Machine Intelligence (RMI) team. He's the author of more programming books than he can count, including 'AI and Machine Learning for Coders' with OReilly, to be published in October 2020. He's also the instructor and creator of the TensorFlow In Practice, and TensorFlow Data and Deployment specializations on Coursera. He also runs the YouTube channel for tensorflow at Youtube.com/tensorflow, and the TensorFlow certificate program for developers at tensorflow.org/certificate. When not working on AI, he's a published Sci-Fi author, comic book creator and IMDB-listed screenwriter.

Lauren Etheridge
Sanity.io, USA
Web Developer and IT Analyst with a demonstrated history of providing development, data analysis, and communications support in the higher education, non-profit, and government sectors. Skilled in JavaScript, PHP, and SQL and a passion for DEI, community-based education/apprenticeship, and organizational behavior.

Laurin Quast
The Guild, Germany
Laurin Quast is a developer that started exploring GraphQL, by leading the private and later public API development at a start-up. Realizing that there are still many unsolved problems and challenges within the space, he started contributing to famous JavaScript libraries, such as GraphQL Code Generator and GraphQL Tools. Diving deeper and deeper, the transition into becoming a full-time open-source developer at The Guild was inevitable.

Lazar Nikolov
Sentry.io, Canada
Lazar is a generalist software engineer, who wrote his first app back in 2013 while he was in high school. He's currently a Developer Advocate at Sentry (sentry.io). He's loves to learn in public, live stream on YouTube, and create courses on Egghead. Designing and building UIs is his passion. He's the ultimate nerd, even his hobby is programming.

Lee Rowlands
PreviousNext, Australia
Lee (larowlan) has been a major contributor to Drupal (🙀) for over 12 years. Lee is a Drupal core Framework manager, member of the Drupal security team and is passionate about code quality. More recently he has turned his focus to JavaScript, most notably React, Gatsby and Next.js, with Drupal's move to being a headless-first CMS. Lee was one of the primary architects of Drupal's testing architecture and champions automated testing and build processes. Lee has worked on several of Australia's largest websites during his 9 years as a Senior Developer with one of Australia's most trusted agencies: PreviousNext.

Lenny Burdette
Apollo, USA
Lenny is a Solutions Architect at Apollo Graph in San Francisco, CA. He was previously a software engineer and graph champion at Square. When he’s not thinking and talking endlessly about GraphQL and frontend, he’s probably trying to recreate some dish from a YouTube cooking video or hanging out with his wife and son.
Lenz Weber-Tronic
Apollo GraphQL, Germany
Lenz Weber-Tronic works as Senior Staff Software Engineer at Apollo GraphQL, where he is part of the team maintaining the Apollo TypeScript Client.
He is a maintainer of Redux Toolkit and if he’s not currently trying to summon elder gods with weird TypeScript incantations he can usually be found on StackOverflow answering questions on Apollo and Redux usage or opening random PRs on GitHub.
Lia Moreira
Blip, Portugal
I'm a physicist, a ballerina and a programmer! I started my work journey doing some investigation work on particle physics implementing algoriths, after I choose that turning to software developing could be a good fit for me. I moved to fullstack develop and when unit testing appeared in my eyes I knew that programing with testing was the perfect fit for me. Now I dedicate my day in working in automation testing, QA work, studying a lot about how to imrprove my work, and dance.

Lili Kastilio
Snyk, UK
Working closely with customers designing & building TypeScript solutions. Recently a Lead Engineer at Snyk working on extending our current languages offering by introducing new languages and language specific concepts into our system in the shape of libs, parsers and microservices. When not coding I like to spend my time hanging upside down doing circus things.

Lin Clark
Fastly, USA
Lin Clark is a Senior Principal Engineer at Fastly, focusing on WebAssembly. She is a co-founder of the Bytecode Alliance, which is driving WebAssembly’s outside-the-browser ecosystem forward. Many people know her through her long-running series, Code Cartoons, which helps people make sense of various WebAssembly standards and the ecosystem's overall direction. Previously, she has worked on web standardization and devtools at Mozilla, helped people understand the JS ecosystem at npm, and was a Drupal core module maintainer.

Linda Ikechukwu
Smallstep Labs, Nigeria
Linda Ikechukwu is a developer advocate at Smallstep Labs, where her mission is to demystify Public Key Infrastructure (PKI) and everything digital certificate usage for developers and DevOps engineers. Her 4 years as a software engineer (cloud + frontend) built the foundation for her current passion: creating educational materials that help developers learn new technologies. When she’s not creating tech content, you can find her on the tennis court or learning to play the guitar.

Liran Tal
Snyk, Israel
Liran Tal is a software developer, and a GitHub Star, world-recognized for his activism in open source communities and advancing web and Node.js security. He engages in security research through his work in the OpenJS Foundation and the Node.js ecosystem security working group, and further promotes open source supply chain security as an OWASP project lead. Liran is also a published author of Essential Node.js Security and O'Reilly's Serverless Security. At Snyk, he is leading the developer advocacy team and on a mission to empower developers with better dev-first security.

Lisi Linhart
Storyblok, Austria
Lisi a Principal Frontend Architect at Storyblok. Her previous experiences include teaching web developement at an university as well as working on various websites and applications. She loves to be involved in the community, organized a conference and often speak at conferences about the web.

Lizz Parody
Stateful, Colombia
Liz is a community-taught Software Engineer focused on JavaScript, and Head of Developer Relations at NodeSource. She organizes different community events such as JSConf Colombia, Pioneras Developers, Startup Weekend and has been a speaker at EmpireJS, MedellinJS, PionerasDev, Node+JS Interactive, NodeConf and others.
She loves sharing knowledge, promoting JavaScript and Node.js ecosystem and participating in key tech events and conferences to enhance her knowledge and network.

Logan Ralston
TikTok, USA
Logan Ralston is a Software Engineer for TikTok who works on TUX, TikTok's internal design system. Logan has always had a passion for technology and design. He also is an avid proponent of the hackathon scene and has previously served as the director of McHacks, one of Canada's largest hackathons.

Loren Sands-Ramshaw
Temporal.io, USA
Loren is a Language Runtime Engineer at Temporal, maintaining the TypeScript runtime. They also wrote a book on GraphQL (The GraphQL Guide) and spent over a decade doing full-stack web and mobile development. They love swing dancing and authentic relating, and they secretly miss CoffeeScript 😄.

Luca Maraschi
Platformatic.dev, Canada
Luca is the Co-Founder and CEO of Platformatic.dev, on the mission to evolve and make frictionless backend development. Luca’s passion for the tech industry started at the young age of just 6 years old when he began coding. Since then Luca founded and successfully exited 3 companies. While managing large teams, he has designed and delivered large-scale real-time systems for some of the industry leaders in gaming, banking and mobile technologies. Before his last role as CTO at mobileLIVE, he was VP of Engineering at CTO.ai, after leading the technology strategy and vision at Telus Digital as Chief Architect. Luca’s core focus is on creating business value through building out, architecting and overseeing Cloud Technology, Big Data , AI, APIs, Micro-Front-ends and large distributed systems.

Lucas Leadbetter
Apollo, USA
Lucas is a Solutions Architect at Apollo Graph, working with companies on GraphQL implementations at scale. Prior to his time at Apollo Graph he worked at Twitch, helping game developers bring new experiences to the site. When not working, he spends his time gaming and exploring NYC.

Luciano Mammino
fourTheorem, Ireland
Luciano was born in 1987, the same year Super Mario Bros was released in Europe, which, by chance is his favorite game! He started coding at the age of 12, hacking away with his father's old i386 armed only with MS-DOS and the QBasic interpreter and since then he has been professionally a software developer for more than 14 years. He is currently a senior Architect at fourTheorem where he is helping companies to get the best of the cloud, AWS and serverless. He loves the full-stack web, Node.js & Serverless and co-authored "Node.js design patterns", maintains fstack.link and co-hosts awsbites.com.

Lucie Haberer
Prismic, France
Lucie Haberer is a Nuxt hacker and ambassador who's into crawling GitHub to find and learn new things. She's currently working from Northern France as a Developer Experience Engineer for Prismic. Lucie loves to fiddle with Node.js and serverless things. With those technologies, she makes things ranging from bots of all sorts to questionable CLIs. Occasionally, she writes technical pieces and promotes artists' work on her website: lucie.red

Lukas Taegert-Atkinson
TNG Technology Consulting GmbH, Germany
Current maintainer of RollupJS.
After finishing my PhD studying the mathematical properties of black holes, I decided to go for less substance from then on and follow my passion of becoming a professional software developer. For the last six years, I have been doing full-stack consulting work for various clients at TNG Technology Consulting GmbH. This includes a big focus on DevOps: tuning Node servers, tending to Kubernetes clusters and orchestrating CI/CD pipelines are an important part my work.
During this time, I also stumbled upon RollupJS, and while I originally only wanted to push a few improvements to their dead code elimination algorithm, I ended up rewriting it from the ground up. And in the process, I accidentally became acting maintainer of that project :)
Since 2017 I have been continuously working on further improving tree-shaking, adding code-splitting together with Guy Bedford, and many other things to make it a great tool not only for optimizing JavaScript libraries but also for advanced and custom build processes at big companies like Github, Bloomberg, Salesforce and many others.

Luke Ehresman
Gazelle, USA
Luke is the co-founder of Gazelle, an all-in-one business automation solution for piano technicians. He founded and bootstrapped the company in 2015, helping piano technicians around the world grow their businesses. Gazelle has customers in over 30 countries and is translated into 11 languages.

Lukonde Mwila
SUSE, South Africa
Lukonde is a Principal Technical Evangelist at SUSE and is an AWS Container Hero. He specializes in cloud and DevOps engineering and cloud-native technologies. He is passionate about sharing knowledge through various mediums and engaging with the developer community at large.

m4dz 🥑🦄
‹div›RIOTS, France
Principal Developer Advocate at ‹div›RIOTS - makers of Backlight, a Design Systems IDE built for Designers and Developers - m4dz is a curious animal. Former Frontend Dev, Devtools enthusiast, he has made the Developer eXperience (DX) his cherished topic. All the Web technologies are under his radar to get things ever simpler. His motto: "Developers are users just like you." As a life-long dreamer, his favourite book will ever remain "Alice's Adventures in Wonderland".

Maaret Pyhäjärvi
Vaisala Oyj, Finland
Maaret Pyhäjärvi is an exploratory tester extraordinaire with a day-job at Vaisala as Principal Test Engineer. She is a tester, (polyglot) programmer, speaker, author, and a community facilitator. She has been awarded the two prestigious global testing awards, Most Influential Agile Testing Professional Person 2016 (MIATPP) and EuroSTAR Testing Excellence Award (2020), and selected as Top-100 Most Influential in ICT in Finland 2019&2020.

Mackenzie Jackson
GitGuardian - Developer Advocate, Netherlands
Mackenzie is a developer advocate with a passion for DevOps and code security. As the co-founder and former CTO of a health tech startup, he learnt first-hand how critical it is to build secure applications with robust developer operations.
Today as a Developer Advocate at GitGuardian, Mackenzie is able to share his passion for code security with developers and works closely with research teams to show how malicious actors discover and exploit vulnerabilities in code.

Maggie Appleton
Ought, UK
Maggie is a designer-developer-anthropologist-hybrid at egghead.io. She spends her time designing visual metaphors for invisible programming concepts, helping developers explain their wildly abstract thoughts, and overanalysing the JavaScript community’s strange cultural beliefs. She's also a digital gardening enthusiast and a Marmite lover.

Maggie Johnson-Pint
Microsoft, USA
Maggie is an open-source community advocate who works on the Azure SDK team at Microsoft to ensure every developer on every platform has an incredible experience with the cloud. JavaScript is her first love, especially date, and time problems. She contributes her expertise to ECMA TC39 and Moment.js.

Majid Hajian
Softiware AS, Norway
Majid Hajian is a passionate software developer with years of developing and architecting complex web and mobile applications. His passions are Flutter, PWA, and performance. He loves sharing his knowledge with the community by writing and speaking, contributing to open source, and organizing meetups and events. Majid is the award-winning author of the "Progressive web app with Angular" book by Apress and the "Progressive Web Apps" video course by PacktPub and Udemy. He is (co)organizer a few Nordic conferences and meetups including GDG Oslo, FlutterVikings, Mobile Era, and ngVikings.

Malte Ubl
Vercel, USA
Malte Ubl is the CTO of Vercel. He leads the development and delivery of the company’s suite of tools and features to enable developers to create at the moment of inspiration. Prior to joining Vercel, Malte was the Principal Engineer for Google Search Rendering and Engineering Director for Google’s Search on Laptops, Tablets, and Desktop. Malte has also created the frontend infrastructure for a number of Google Web Apps and the web at large. He is also the founder and curator of JSConf EU.

Marcin Gebala
Saleor, Poland
I'm a software engineer who specializes in building web apps using Python, GraphQL and React. Currently, I work as a lead developer at Saleor. I speak at tech conferences about Python and GraphQL. I'm a runner, musician and traveler in my free time. I'm based in Wrocław, Poland.

Marco Gorelli
Samsung R&D Institute UK, UK
Marco is a Data Scientist at the Samsung R&D Institute UK. Outside of work, he is a maintainer of pandas (data wrangling platform for Python widely adopted in the scientific computing community) and author of nbQA (code quality tool for Jupyter Notebooks). He holds an MSc in Mathematics and Foundations of Computer Science from the University of Oxford.

Marian Villa
NodeSource, Colombia
Sr Full-Stack Product Designer at NodeSource. Award-winning Community Builder at @Pionerasdev —recipient of IBM Open Source Community Grant 2020—. Google Launchpad Mentor, Google Developer Expert in Web Technologies and Women Techmakers Ambassador. Passionate developer and designer with a knack for combining technology and community development.

Maria Solano
Microsoft, Canada
My name is Maria and I'm a software engineer at Microsoft in the TypeScript team. I mostly focus on its language support in Visual Studio, but I also work in the JavaScript project system and the integration of other language servers into the IDE (like ESLint and Angular). When I'm not debugging mysterious code I didn't write, I enjoy giving my 2¢ to open source.

Marie Cruz
Grafana Labs, UK
Marie is currently a Developer Advocate at k6.io, a Grafana Labs company. In the past, she has been an Engineering Manager, a Principal Engineer and a Test Consultant. She is also a tech blogger at testingwithmarie.com, an accessibility advocate and an online course instructor at Ministry of Testing and Test Automation University.

Marissa Masangcay
Cloudinary, USA
Marissa Masangcay is a Technical Marketing Specialist for Cloudinary and has worked for the company since 2017. She has also served as one of Cloudinary’s Developer Support Engineers, where she responded to customers’ technical support requests and feature-related questions, as well as debugged customer issues and wrote code samples in multiple development frameworks. She has also served as a volunteer instructor for Girls Who Code, which is a nonprofit dedicated to teaching girls in grades 6-12 the fundamentals of coding. Marissa graduated with her bachelor’s degree in computer science from the University of San Francisco.

Mark Erikson
Replay.io, USA
Mark Erikson is a Senior Front-End Engineer at Replay, and lives in southwest Ohio, USA. Mark is a Redux maintainer, creator of Redux Toolkit, and general keeper of the Redux docs. He tweets at @acemarke, and blogs at https://blog.isquaredsoftware.com. He spends much of his time answering questions about React and Redux anywhere there's a comment box on the internet, and usually hangs out in the Reactiflux chat channels.

Mark Wubben
Monolith, Netherlands
Hi! I’m a humanist & technologist who loves working with the web. I build products, often involving a heavy dose of backend Node.js services. Having confidence that these services work as designed allows me to iterate faster and provide value. So, good thing then I’m also the core maintainer of AVA, the Node.js test runner that lets you develop with confidence.

Martin Splitt
Google, Switzerland
Martin is a developer advocate on the Webmaster Trends Analyst team at Google Switzerland. In this role, he helps developers and content creators build great content on the Web. He is involved with the W3C as well as the global web and JavaScript developer community, working to keep the Web open. Martin has over a decade of experience in software engineering in multiple fields.

Mateusz Burzyński
Stately, Poland
My name is Mateusz Burzyński and I'm a JavaScript developer focused on React ecosystem. I'm also a big OSS enthusiast. I believe that node_modules is not a black box and I dive into it frequently - that has led me to maintain a few popular repositories like XState, Emotion, Changesets, Redux-Saga. Recently, I also started to contribute to TypeScript itself.

Matheus Albuquerque
Medallia, Czech Republic
I'm a Sr. Front-End Engineer at Medallia, building their surveys platform and helping them shape the customer experience market with React.
My areas of interest include JS and compile-to-JS languages, DX, and performance optimization. Aside from public speaking about these, I also volunteer at TechLabs, teaching front-end development.

Matt Butler
Evolution, Sweden
Matt Butler, Artist, and Art Director. Previously worked in London and the USA for Virgin, EA, Sega, and Activision creating games for the X box and Playstation. Matt moved into the iGaming industry 7 years ago, he currently works for Evolution with the Netent Brand. He has directed with the help of an amazing art team many of Netent´s most successful slot titles such as Divine Fortune, Narcos, and Jumanji.

Matteo Collina
Platformatic, Italy
Matteo is the Co-Founder and CTO of Platformatic.dev with the goal to remove all friction from backend development. He is also a prolific Open Source author in the JavaScript ecosystem and modules he maintain are downloaded more than 12 billion times a year.
Previously he was Chief Software Architect at NearForm, the best professional services company in the JavaScript ecosystem. In 2014, he defended his Ph.D. thesis titled "Application Platforms for the Internet of Things".
Matteo is a member of the Node.js Technical Steering Committee focusing on streams, diagnostics and http. He is also the author of the fast logger Pino and of the Fastify web framework.
Matteo is an renowed international speaker after more than 60 conferences, including OpenJS World, Node.js Interactive, NodeConf.eu, NodeSummit, JSConf.Asia, WebRebels, and JsDay just to name a few. He is also co-author of the book "Node.js Cookbook, Third Edition" edited by Packt.
In the summer he loves sailing the Sirocco.

Matteo Frana
React Bricks, Italy
I am from Bergamo, Italy, I have a son of 7 and a daughter of 4. I program since I was 10 (it was 1988, GW-BASIC on a IBM 8088) and develop web apps since 1996. I’m in love with React and my mission is making content editing fun with React Bricks. I play the piano, I try to play the guitar and I write songs. I like cooking and I'm interested in quantum mechanics.

Matt Fellows
Pactflow, Australia
Matt Fellows is a core contributor to the Pact contract-testing framework, and co-founder of the microservices continuous delivery platform – Pactflow. A self-described polyglot who enjoys working at the intersection of technology, humans and ideas – ideally fully caffeinated. He's passionate about giving back to the tech community, sharing learnings at local meetups and conferences, and is a core contributor to the popular Pact microservices testing framework and author of the Muxy chaos testing tool. When not absorbing the Internet via osmosis, he can be found teaching kids at Code Club, playing basketball or pumping iron like Arnie.

Matt Landers
WP Engine, USA
Matt Landers leads the DevRel team at WP Engine, after joining the company in 2019 as a Technical Architect who was (and still is) super passionate about headless. That passion ultimately played a major role in the release of Atlas, which pairs WP Engine’s industry-leading WordPress platform with Node.js hosting to enable headless solutions using modern frameworks and technologies like React, Vue, and more. Before joining WP Engine, he served as Technology Evangelist at Microsoft, where he educated developers on the advantages of adopting .NET and worked with Fortune 100 companies to build some of the largest enterprise systems as an Architect. Additionally, Matt founded Covalence, a coding bootcamp, channeling his passion for teaching developers.

Matt McClure
MUX, USA
Matthew is an internet video nerd. He's the co-founder and Head of Technology & Community at Mux, a startup building online video infrastructure for developers, a core-contributor to Video.js, the biggest HTML5 video framework, and the organizer of Demuxed, the largest video-focused dev conference/community in the world.

Matt Tanner
Tyk, Canada
Matt is a Product Evangelist at Tyk passionate about API management, development, and architecture. Matt has worked as a developer, tech lead, and architect for some of the largest financial institutions and insurers in Canada. He is always dabbling in the latest tech and applying this to his own ventures in technology.
Maurice de Beijer
Independent Software Consultant and Trainer, Netherlands
Maurice de Beijer is an independent software consultant and trainer. He specializes in JavaScript, React, and ASP.NET Core. His work includes a large, global, safety application for the oil and gas industry. Maurice is also active in the open source community. He teaches ECMAScript, TypeScript, React, RxJS and ASP.NET courses. Since 2005, he has received Microsoft’s Yearly Most Valuable Professional Award. Maurice is also active in the Dutch dotNed user group and helps organize its meetings.

Maxime Beugnet
MongoDB, France
Maxime has been working with MongoDB for the past 7 years and in the IT industry for 10 years.
He is a MongoDB and Java trainer, with DEV and DBA MongoDB certifications. Maxime joined MongoDB as a Developer Advocate 3.5 years ago to share his experience with the community. He loves clean code, scuba diving, code challenges and vikings!

Maxim Salnikov
Microsoft, Norway
Maxim Salnikov is an Oslo-based cloud and tech community geek. He is a webdev maestro who builds apps since the end of the last century and shares his extensive web platform experience by speaking & training at developer events around the world. Daytime, Maxim is boosting cloud skills at the country scale by leading developer engagement in Microsoft Norway. In the evenings, you'll find him organizing the country's main web & mobile development meetups.

Max Stoiber
GraphCDN, Austria
JavaScript Engineer from Austria in love with React and Node. Previously he worked at GitHub, who acquired the startup he co-founded, Spectrum. He is well known for making styled-components, react-boilerplate, and a wide variety of other open source projects in the React ecosystem.

Maya Shavin
Microsoft, Israel
Maya is Senior Software Engineer in Microsoft, working extensively with JavaScript and frontend frameworks and based in Israel. Maya is also a published author, international speaker and an open-source library maintainer of frontend and web projects. As a core maintainer of StorefrontUI framework for e-commerce, she focuses on delivering performant components and best practices to the community while believing a strong Vanilla JavaScript knowledge is necessary for being a good web developer.

Melanie de Leeuw
Capgemini, Netherlands
Melanie loves being a software engineer. The infinite loop of bugs, puzzles and learning make of everyday a
new adventure. Her specialty and the love of her life is Vue.js, but lately she has been adding Nuxt.js and
Node.js to the party. When she is not working as a software engineer at Capgemini, she uses her web
development skills to remove micro plastic in the waters of the world. Her goal in this life is to work towards a more sustainable way of life, meaning that her hobbies include sailing the world, documenting underwater
micro-life, and picking up trash with podcasts blasting.
She is always trying on many different hats: trainer, team lead, community builder, talker, organizer. But the
hat that fits best is developer.

Michael Bodnarchuk
Testomat.io, Ukraine
Michael is a full-stack web developer, passionate about testing from Kyiv, Ukraine. I also work as a consultant & trainer focused on testing. Michael works on open-source product CodeceptJS with a goal to bring a better testing experience to developers. Making testing as easy and as joyful as it could be is his motto.

Michael Bromley
Vendure, Austria
I've been building for the web for over 15 years - mainly focusing on e-commerce applications, content management and open source. Now I'm building Vendure, an open-source headless commerce framework with a focus on developer productivity. I strongly believe in the mission to bring joy through great developer experience and open source tools. I'm originally from England but for the past 8 years I've been based in beautiful Vienna, Austria.

Michael Carter
101 Technologies, Inc., USA
Michael Carter has over 30 years experience developing applications. He was one of the first to get a Remix license. He hangs out on the Remix Discord as well as GitHub and Twitter helping other developers. He has created many packages and tools to enhance your Remix apps.

Michael Hablich
Google (Chrome team), Austria
Michael Hablich is a Product Manager at Google working on Chrome. There he focuses on removing friction for developers that need to test and debug web applications. In the past he worked as a developer, tester, agile coach, program manager, and engineering manager. He enjoys spending time with his daughters, rock climbing, and scuba diving.

Michael Hladky
Push-Based, Austria
Michael Hladky is a Google Developer Expert (GDE), Microsoft MVP, trainer, and consultant with a focus on Angular and RxJS. For years he has been helping companies and developers to set up scalable architectures and performant processes enabling teams to keep up with state-of-the-art development. A vibrant member of the tech community, he organizes multiple community events and workshops each year to give back.

Michael Milewski
Zepto #ABetterWayToPay, Australia
Michael is a developer keen on the people side of things. He loves pairing, and in particular with people new to writing software. He especially likes driving software out with tests and directing the evolution of the design. In his spare time, he does a bit of paddle boarding, camping and watching any one of his 4 kids excel above anything he ever managed to achieve.

Michael Tintiuc
Modus Create, Moldova
Michael is a full-stack engineer and designer with over a decade of commercial experience in multiple web and mobile technologies. An advocate and frequent contributor to open source software, Michael is the author of the ionic/vue library which allows developers all over the world to write Ionic mobile apps using the Vue framework. In his free time, he enjoys game development, contributing to Open Source, hardware modding and creating projects in new languages.

Michel Weststrate
Meta, UK
Open source fanatic, speaker and trainer. Author of MobX, MobX-State-Tree, Immer and a plethora of smaller packages. On a continuous quest to make programming as natural as possible. React, JavaScript and TypeScript fan. Working at Facebook on dev tooling for mobile developers.

Mika Schafroth
RELEX Solutions, Finland
Business-oriented software product engineer (M.Sc. in computer science) featuring 15 years of professional involvement in the entire life-cycle of digital products. Experience developing a variety of disruptive Internet technologies. Insights into modern travel, smart cities, the gig economy and social networking services.

Mike Hartington
Ionic, USA
Mike is a developer, Google Developer Expert, and Director of Developer Relations at Ionic who's been working in the mobile landscape for most of his professional career. When he's not working Ionic itself, Mike works with community members and helps them succeed at mobile. In his spare time, he’s an aspiring woodworker, occasional musician, and craft beer lover.

Mikhail Burtsev
DeepPavlov.ai, Russia
Mikhail Burtsev is a head of Neural Networks and Deep Learning Laboratory at Moscow Institute of Physics and Technology. He is also a founder and leader of open-source conversational AI framework DeepPavlov. Mikhail had proposed and co-organize a series of academic Conversational AI Challenges (including NIPS 2017, NeurIPS 2018, EMNLP 2020).
His research interests are in the fields of Natural Language Processing, Machine Learning, Artificial Intelligence and Complex Systems. Mikhail Burtsev has published more than 20 technical papers including – Nature, Artificial Life, Lecture Notes in Computer Science series, and other peer-reviewed venues.

Milecia McGregor
Conducto, USA
Milecia is a senior software engineer that's worked with JavaScript, Angular, React, Node, PHP, Python, .NET, SQL, AWS, Heroku, Azure, and many other tools to build web apps. She also has a master's degree in mechanical and aerospace engineering and has published research in machine learning and robotics. She started Flipped Coding in 2017 to help people learn web development with real-world projects and she publishes articles covering all aspects of software on several publications, including freeCodeCamp. In her free time, she spends time with her husband and dogs while learning to play the harmonica and trying to create her own mad scientist lab.

Miroslav Malecha
Bonitoo, Czech Republic
Miroslav Malecha is Director of Product management at Bonitoo.io. He has a background in computer science and has been focused on defining software products in data science, enterprise architectures and cloud computing. Prior to joining Bonitoo, Miroslav held product management positions at Good Data and Hewlett-Packard Software. When Mirek is not working, you can find him speeding down hills on his ebike in the forests near Prague.

Miško Hevery
Builder.io, USA
As CTO, Miško oversees the technology division that powers the Builder.io applications and software. Before joining Builder.io, he created Open Source platforms for Google, including Angular, AngularJS and was co-creator of Karma. While at Google, he brought a testing culture there with his blog. Before focusing on making the web better, he believes testing is the key to success.
Miško started his career designing digital circuits and moved to databases, full-stack development and finally, front-end frameworks, giving him a unique perspective. He understands all of the layers from the web down to a transistor. In addition to Google, he worked for tech powerhouses Adobe Systems and Sun Microsystems.
He holds an MS/BS from Rochester Institute of Technology and an MBA from Santa Clara University.

Moataz Nabil
Bitrise, Germany
Moataz has over 12 years of experience in testing and development roles across industries such as agriculture, telecom, healthcare, fashion, and food delivery. Moataz is currently a Developer Advocate at Bitrise, helping mobile engineers deliver fast, reliable, and secure mobile apps. He also helps companies build their own developer productivity teams. As well as being an AWS Community Builder, he also teaches on TAU and Udemy. His experience includes building automation projects for large and distributed projects from scratch.

Mohamad Shiralizadeh
iO Digital, Netherlands
I'm a developer whose work is focused on frontend technologies (ex. JavaScript, React & Next.js ❤️). My passion for web development can be traced back to my experiences over the past years, I like to get people excited about things that I’ve been excited about. Right now, that’s iO Company 😊. Outside of the office, I’m committed to a family 👨👩👧👦 to keep them happy. Also, speaking at conferences, open-source contributions, helping people in communities, recording video podcasts, and playing video games 🎮.

Mohammad Shahbaz Alam
Magic Labs, India
Shahbaz is a full stack developer and open source enthusiast, Developer Advocate @ Magic Labs, GDG Ranchi Organizer, Auth0 Ambassador, and Mozilla Representative. He loves teaching and sharing his learnings at conferences and meetups related to Serverless, Authentication and Authorization, Google Technologies, Security, Web Extensions, SPAs, PWAs and VR/AR/XR.

Mo Khazali
Theodo UK, UK
Mo is the Head of Mobile and a Tech Lead at Theodo UK, having worked on several projects with startups and established enterprises to create cross-platform mobile application in React Native. He's passionate about React Native, MobileDevOps, and pushing the boundaries of combining code across web and mobile.
Morten Barklund
Self-employed, Denmark
Morten is a web developer of 20+ years, and a React expert in the last 6. Morten co-authored React Quickly, 2nd Ed, published early 2023 at Manning Publications. Working as a freelance consultant, Morten has been helping agencies and companies of all sizes improve their React codebases. Also, he actually enjoys refactoring! Life-wise, Morten is an ultrarunner, board game enthusiast, and corgi fanatic.

Murat K Ozcan
Extend, USA
Murat was born in Turkey and has lived around Chicago for over 20 years. He graduated from Illinois Institute of Technology with a computer engineering bachelor's and contributed at Siemens for over a decade. He is married with two daughters; 9 and 11 years old. He lives to do corrective deeds; learn, teach, fix what is broken, improve and optimize all things around at work, open source, and home life. He is a tech enthusiast in love with testing, development, devops, web and cloud. Currently he is a Staff Engineer & Test Architect at Extend.

Nacho Anaya
Checkly, Argentina
I am Lead Open Source Engineer at @ChecklyHQ, Tech Trainer, and Speaker. I have been working, teaching and spreading JavaScript technologies for more than 10 years. Right now, I am mostly working with Vue.js and Node.js but I like to contribute to any kind of dev community or OSS project. When I am not coding or traveling, you can find me playing hockey in Buenos Aires.

Nadia Makarevich
Pyn, Australia
Nadia is a Frontend Architect, experienced coder and tech blogger. She loves debugging mysterious bugs, solving hard problems with simple solutions and writing articles, that make complicated advanced concepts easy to understand. She managed to escape from locked down Australia in the middle of the global pandemic and now enjoys the life of a digital nomad all over the world.

Naomi Meyer
Adobe, USA
Naomi is a Software Development Engineer at Adobe on the Globalization, Core Services team where she works on the internationalization and localization of Creative Cloud and Document Cloud products. Before writing JavaScript full time, Naomi worked as a teacher across Asia and West Africa. She enjoys weekends outside - hiking, camping, and riding bikes.

Natalia Tepluhina
GitLab, Netherlands
Natalia Tepluhina is a Vue.js core team member and a Staff Frontend Engineer at GitLab.
She is a conference speaker and author of articles on different topics related to Vue.js . Thanks to these activities Natalia has got a title of Google Developer Expert in Web Technologies.

Nataliya Ioffe
Rangle.io, Canada
Nataliya Ioffe is a front-end software developer with a passion for guiding organizations through digital transformation and modernization processes. Her recent work has seen her partner with organizations as they upgrade their tech stacks with React and adopt Headless architectures with powerful content editing capabilities.

Nathan Shively-Sanders
Microsoft, USA
Nathan is an engineer on the Typescript team, working on Javascript support and open source community, including Definitely Typed. He has a Ph D in linguistics from the time he made a machine classify Swedish dialects using syntax. The common thread is that Nathan loves writing programs to understand messy linguistic systems.
For fun, Nathan enjoys video games, a wide variety of reading, and hiking with his family around the Pacific Northwest.

Nazar Hussain
ChainSafe Systems, Germany
I am around the industry for quite a long time having experience spanning over multiple decades. Started coding with the procedural programming approach in Basic and C. Then witness the rise of Object Oriented paradigm and spent years developing in ActionScript and C# and Java and later Ruby and Javascript. Was part of the e-commerce boom and developed hundreds of web portals in PHP, ASP, .NET. The MVC era revolutionized the industry and I contributed through Yii, Zend, CI, CakePHP, Kohana, and later RoR. And now very enthusiastic about the rebirth of functional programming.

Naz Delam
LinkedIn, USA
Naz is a Senior Software Engineer at Netflix. She is passionate about UI engineering, Psychology and cats! 🐈 .
At Netflix, she works on the product engineering team to enhance user experience across platforms. Prior to Netflix, she worked in the Finance industry as a Software Architect. 👩🏻💻 Naz is dedicated to advancing the role of women in engineering. 👩👩🏻👩🏼👩🏽👩🏾 She volunteers with Hour of Code teaching high school girls how to code and serves as a member of MentorCruise and BuiltByGirls to coach engineers. When she’s not working, you’re most likely to find her exploring the world 🌱, playing games, or curled up with a good book and a cup of coffee. 📚☕

Neil Manvar
Sentry, USA
Neil Manvar is an engineer dedicated to helping developers ship quality code quickly. In his free time, you can find him cycling, snowboarding, or cuddling with his dog. He currently works as a Solutions Engineering Manager at Sentry, an Application Monitoring software company that helps software teams discover, triage, and optimize the performance of their code.

Nick Marino
ReadySet, USA
Nick Marino is a backend developer at ReadySet, where he helps build the Rust code that powers ReadySet’s caching systems. In his past career, he’s had extensive experience writing Erlang code, and has worked on database systems at Basho and Datometry, as well as a variety of telecom systems at other companies. He lives in Rochester, NY with his spouse Tasha and his dog Astrid, and he enjoys spending his spare time reading, playing cello, and practicing aerial arts at the local circus school.
Nick Teets
StackHawk, USA
Nick Teets is a software developer and musician based in Denver. Nick found his passion for connecting people using technology after spending summers in the Sandhills of Nebraska establishing a multimedia journalism nonprofit. Through an interactive website, the project told the stories of the communities of the area with audio, video, photos, and text. This early foray in journalism taught him about the intersection of empathy, technology, and storytelling, and would lead him to a career in frontend software development, creating beautiful and accessible user experiences to connect people across the world.

Nico Krüger
Rollbar, USA
Nico is the Senior Director of Solutions Engineering at Rollbar. He has spent over 13 years working with companies around the world to improve their software development lifecycle focused on quality critical applications. His passion is helping teams deliver quality products to market faster.
“Do what you love and love what you do!”

Nicola Corti
Meta, UK
Nicola Corti is a Software Engineer in the React Native team @ Meta, building tooling and infrastructure to support mobile engineers in the open-source space.
He's a Google Developer Expert for Kotlin and has been working with the language since before version 1.0. He's the maintainer of several open-source libraries, and he's the host of the Developers' Bakery podcast.
Furthermore, he is an active member of the developer community. His involvement goes from speaking at international conferences to being a member of CFP committees and supporting developer communities across Europe.
In his free time, he also loves baking and running marathons.

Nico Martin
Freelance Frontend Developer, Switzerland
Nico Martin is a self-taught web-developer and Google Developer Expert in Web Technologies from Switzerland.
He has contributed his know-how as a freelance frontend developer and consultant in various enterprise applications, while constantly experimenting with modern browser technologies and sharing his learnings in workshops, articles or talks.
Nik Graf
Serenity, Austria
Nik is the founder of Serenity and is passionate about cryptography, CRDTs, GraphQL and React. He co-created several popular open source projects like DraftJS Plugins and Polished and participated in Stripe’s Open Source Retreat. In his spare-time he enjoys ski touring, cycling and organising the ReactJS Vienna meetup.

Nikhil Chandrappa
Yugabyte, USA
Nikhil is a Software Engineer at Yugabyte. He is leading the efforts on YugabyteDB integrations with open source developer tools like GraphQL, Spring Data, R2DBC, and Kubernetes. He also works with the developer community on the adoption of Distributed SQL databases in cloud native applications. He has presented at major developer conferences, including Spring One Platform, PostgreSQL Conference, and Distributed SQL Conference. He is originally from Mysore, India, and has a master’s degree in Computer Engineering from Syracuse University.

Nikola Mitrovic
Vega IT, Serbia
Experienced JavaScript Software Engineer with 7 years in the industry. More skilled in Front-end Development, with high level of experience in working with Micro Front-end architecture, designing projects as a set of standalone components that include their own interfaces, logic, and storage, developing mini-applications independently, and composing them all together in the browser with different integration techniques.
Passionate about web performance and ensuring the best possible User Experience of web applications.

Nikolay Advolodkin
Sauce Labs, USA
Nikolay Advolodkin is a Senior Solutions Architect at Sauce Labs. He has an extensive background in software testing, quality assurance, and test automation as the CEO and Test Automation Instructor at UltimateQA.com, a training site full of videos and resources covering the gamut of testing topics and technologies. Nikolay has taught more than 50,000 students in over 120 countries about test automation. He is a frequent contributor to open source and was selected as one of the top automation engineers in the world three years in a row by TechBeacon.com.

Noam Honig
Firefly Migration, Israel
Coder, open-sourcerer, developer experience enthusiast, software architect, and entrepreneur. At work, I oversee and consult in enterprise legacy systems modernization for fortune 500s to small businesses. Outside work I love helping NGOs as a full-stack developer and mentor.

Nouha Chhih
Prismic, France
Nouha is the Developer Experience Manager at Prismic. She currently manages a team of developer experience engineers, and spending a lot of time on recruiting and growing her team. This year she'll recruit over 15 people to join her team. She'll share some advice for those of you preparing for technical interviews, and will be able to describe what is a Developer Experience Engineer, a Developer Relations Engineer, a Dev Blogger, a Dev Streamer.

Obinna Ekwuno
Cloudflare, UK
Obinna Ekwuno is a human before anything else. He mostly works on the web and loves to teach concepts in JavaScript while advocating for web accessibility. He does this through speaking, live streams, and technical articles. Currently, he works as a Developer Advocate at Cloudflare and before that he worked as a Software Engineer at Gatsby, where he worked on Gatsby Open source.

Oguzhan Ozdemir
Thundra, Turkey
Oguzhan is a person whose passion is learning. He is self-motivated about discovering his unknown unknowns and autodidactic to move forward in this path. His primary motivation is to keep his technical breadth at the highest level it can be. Because Oguzhan believes that in each particular field, there is something he will learn that he won't be able to grasp anywhere else.
In the past, Oguzhan dropped out of Nuclear Engineering to pursue his passion and enjoy what he does for a living. He mainly worked as a Backend Engineer and shifted toward the Cloud.
Oguzhan is currently working as an Infrastructure Engineer and is quite optimistic about his career. He is aiming for better, non-stop.

Olena Kutsenko
Aiven, Germany
Olena is a seasoned expert in data, sustainable software development, and teamwork. With a background in software engineering, she's led teams and developed mission-critical applications at Nokia, HERE Technologies, and AWS. Currently, she works at Aiven where she supports developers and customers in using open-source data technologies such as Apache Kafka, ClickHouse, and OpenSearch. She is also an international public speaker and regularly present at conferences around the world. She holds AWS Developer and Solutions Architect certifications, and is also a Confluent Catalyst.

Oliver Barnwell
The Guardian, UK
I first developed an interest in programming in my early teens, making text-based adventure games in QBasic. After completing my degree in 2020, I stumbled out of the pandemic directly into the newly transformed fully remote world of work. In August ‘21 I accepted an offer to join the Guardian where I have been working on their identity platform migration. Outside of work I contribute to the Great British Public Toilet Map, an open source project dedicated to helping people find toilets across the UK. You can find me tweeting about life and work [@olliethinks](https://twitter.com/olliethinks).

Oliver Moradov
NeuraLegion, UK
Oli is VP of NeuraLegion's developer focussed security testing platform, helping developers understand how they can run seamless, fast and accurate security tests on every build.
Oli works closely with security and engineering teams globally to help them ship secure software more efficiently and is passionate about automation, CI/CD and DevOps / DevSecOps.
Oli has spoken at many conferences internationally and is a regular at developer and security related events and meetups.
Omar Shehata
Snapchat, USA
Omar is a graphics programmer working on mapping software currently based in Ithaca, NY. He is the co-creator of a desktop game, Move or Die. He has published over a dozen flash games that have been played millions of times. He loves the the universal accessibility of creating things for the web and enjoys writing computer graphics tutorials to help others create awesome stuff for the web.

Omer Kenet
Codux, Israel
Omer Kenet is a seasoned product leader and expert in the realm of front-end tooling and visual coding. For the past four years, he has been serving as the Head of Product for Codux, a visual editor for React projects. With over a decade of experience in the industry, he also co-founded RapidUI, an advanced visual editing environment that automates front-end coding from designs. Passionate about designer-developer collaboration, visual-approach tooling, and all things product, Omer is dedicated to driving technological advancements in the creative and development communities.

Omry Nachman
Codux, Israel
Omry Nachman, an accomplished technology leader, currently CTO at Codux, a Wix company. With over 20 years of experience in frontend and backend development, Omry has held CTO positions in multiple startups and founded the Wix Academy. His passion for React, TypeScript, and the web drives his innovative approach to web development.

Ondrej Polesny
Kontent.ai, Czech Republic
Ondrej is a Jamstack enthusiast focused mostly on React and Vue-based tools. As a Developer Evangelist at Kontent.ai, he constantly stays connected with in-house and partner developers, which brings him closer to many interesting digital projects built with various tools. Always interested in problems that everyone claims have no solution, Ondrej enjoys building the architecture of components or applications and figuring out how all parts fit together. He also creates videos and speaks at conferences and podcasts.

Oren Rubin
Testim, USA
Oren Rubin is the founder and CEO of Testim, an AI-based test automation platform that speeds the authoring of resilient end-to-end tests. Oren has over 22 years of experience in the software industry, building mostly test-related products for developers at IBM, Wix, Cadence, Applitools, and Testim.io. In addition to being a busy entrepreneur, Oren is a community activist and the co-organizer of the Selenium-Israel meetup and the Israeli Google Developer Group meetup. He has taught at Technion University and mentored at the Google Launchpad Accelerator.

Orta Therox
USA
Orta is a developer/designer who works on web-powered games. Prior to that, he worked on the TypeScript team in Microsoft. He has a decade of open source contributions ranging across many eco-systems, helps maintain a dependency manager for iOS, built Danger in many languages, contributes to working groups like GraphQL and in core teams like Jest, Svelte and React Native. You've probably seen his open-source design work in the React/TypeScript ecosystem.

Oz Syed
Sauce Labs, Canada
Oz is a Game Dev Evangelist at Backtrace, A Sauce Labs Company. He has over 15 years of experience in the game industry in various senior technical roles in gaming and software engineering. His major interests are emerging tech, machine learning and creating new tech products involving gaming or gamified applications.

Pablo Postigo
Frontity, Spain
Software Engineer, entrepreneur and foodie. Born and raised in Madrid, Spain. Pablo and his team are on a mission to make building delightful user experiences universally accessible. He founded Frontity in 2015, has raised 1.5M€ in funding and since June 2019, Frontity became a 100% open-source project after releasing their framework for building lighting sites using React and WordPress.

Patrick Ecker
Independent Consultant, Austria
Patrick is a frontend engineer at Rohea Oy, building the next big sales enablement platform built on Flow, ReScript, React and PHP. He is also core team member of the ReScript programming language, working on the language's tooling infrastructure and documentation website.

Paul Gadi
OPGames, Canada
Paul has been in the gaming industry for the better part of two decades, and has always been interested in the intersection of game design and new tech. He is CTO / Co-founder of OPGames, an open-source game platform company building tools to help game developers navigate this new landscape called web3. Paul is also the co-founder of Altitude Games, a mobile and blockchain gaming company based in the Philippines. He currently leads the KERNEL Gaming Guild, a community of the most talented individuals in the blockchain space. He has been writing and coding on web3 since 2017, and most of his work can be found online at polats.com.

Paul Henschel
react-three-fiber, Switzerland
Front-end developer. Currently living in St. Gallen, Switzerland. Founder of Luxundlaune, a photography platform in Germany, Paranoidandroid, a custom rom for Android and several open source projects including react-spring, react-three-fiber, react-use-gesture, zustand.

Paulo Ragonha
Mojang Studios, Sweden
Paulo is currently a tech lead at Mojang Studios, where he is helping improve the UI/UX of the biggest game in the planet (Minecraft). Natively from Brazil, he has moved to Sweden six years ago, enough time to adapt to the cold weather and even enjoy commuting with his bicycle during snowstorms. In the past, he has also ventured in book writing, having published books on automated testing in JavaScript.

Pavel Vydra
Toptal, Czech Republic
Pavel has over a decade of experience in data science and product development, especially focusing on product, project, and process management. With a strong data background, his focus has been on finding the right balance between the key value-add features and cost-effective solutions.

Pawel Sawicki
Workshops.de, Germany
Pawel Sawicki is a freelance consultant and lecturer with a focus on distributed systems, and
related areas such as software security and software architecture, especially in the context of mobile applications.
On this way he discovered React and React Native several years ago and used them in a variety of professional projects for leading German companies, from small startups to large corporations.
Pawel always strives to share the practical knowledge he has acquired in a didactically valuable way for the benefit of his clients and students.

Peter Nijenhuis
S0L1D Heroes, Netherlands
DevOps is one of my greatest passions. Guiding teams in the DevOps way of working, helping and facilitating them in achieving the ultimate goal of becoming a high performing team.
What I often see at companies, that they’re trying to adopt the DevOps way of working with a technical approach. They often start with automation. While automation is a huge aspect of DevOps, it isn’t the key to success. Mindset and behavior is in my opinion the key to success. Getting the right culture and a facilitating governance with its processes within the company. Only then you can be successful in adopting the DevOps way of working.

Philipp Giese
BRYTER, Germany
Philipp loves to code and teach people. His first project was a webpage to manage which of his friends had borrowed which VHS. It was this project that also convinced him that the internet is where the future is. Fast forward some 20 years and he is still coding. He currently works as CTO at auteon.

Phil Nash
Sonar, Australia
Phil is a developer advocate for Sonar and Google Developer Expert living in Melbourne, Australia. He loves working with Ruby or JavaScript to build web applications and tools to help developers. He once helped build a website that captured the world's favourite sandwich fillings. He has too many GitHub repositories.
Away from the keyboard, Phil listens to ska punk, hangs out with his miniature dachshund (also called Ruby), and is on a mission to discover the world's best beers.

Pramod Shenoy
Cloudinary, USA
Pramod Shenoy is currently working as a Solutions Architect at Cloudinary. His interests align with his 8 years of experience at Akamai and Catchpoint in web performance and optimization, CDNs and monitoring digital experiences. Outside of work Pramod likes to hike, read blogs on tech, sports and stock markets.

Prosper Otemuyiwa
Sourcegraph, Nigeria
Prosper Otemuyiwa is a software engineer who has worked on biometric, health and developer tools. He is a seasoned developer advocate, community leader and a firm open source hacker who believes immensely in the intersection of people & technology. He co-founded Eden Life & forloop, the largest African developer community (currently in ~8 countries). He's currently a GitHub Star & Developer Advocate at Sourcegraph.

Raanan Weber
Microsoft, Germany
Raanan Weber is a JavaScript and TypeScript ("Web"?) developer, currently working at Microsoft as Babylon.js Web Tech Lead and is one of its core contributors, with emphasis on WebXR and the engine's build system. With a passion for open source, he constantly contributes to Babylon.js and various other Open-source projects.
He lives in Berlin, Germany, where they find joy in playing the guitar and exploring Berlin's forests with his family and dog.

Rafaela Azevedo
HMRC, UK
SC Cleared Full Stack SDET with +15 years of Experience in QA, +13 years of Experience in Test Automation, and +8 years in Leadership, Delivering, and Releasing Software on different platforms (Mobile, Desktop, Web). Raised and born in Brazil with Portuguese grandparents moved to London in 2014 and now works as an independent contractor.
Became a STEM Ambassador and a STEM Women Member in 2020 making an impact and bringing more people to the STEM area. Contributes to TestProject and instructor of Test Automation University (Contract Tests with Pact and Introduction to Blockchain Testing) alongside a tech blog created in 2011 which is a collection of learnings and past experiences.

Rafael Gonzaga
NearForm, Brazil
Rafael is a Staff Engineer at NearForm, working full-time on the Node.js runtime as a TSC (Technical Steering Committee) member, especially in the security working group.
He's also the maintainer of popular JavaScript libraries such as Fastify and Clinic.js, and he's specialized in performance enhancements and software architecture optimization.

Ramona Schwering
shopware AG, Germany
After her apprenticeship as an application developer, Ramona has contributed to product development at shopware AG for about six years now: First in quality assurance and now, as Software Developer. She has both views of the product - that of a tester and that of a developer. Ramona uses this primarily to strengthen trust in test automation and to support the testers. The automation in the end-to-end area of shopware originates from her pen, and she continues to push it firmly.

Rebecca Friedman
Shopify, Canada
I am a strong full stack developer, and a Ruby on Rails enthusiast. I'm passionate about formalized SDL processes, and clean, well-tested code. Having worked on the monolith that is the Words With Friends backend service at Zynga, I've architected, developed and deployed features that have been used by millions of concurrent users. I'm a huge supporter of University of Toronto, and an Arbor Award recipient. I guest lecture when I can, mentor students through the Alumni Mentorship program, and volunteer at numerous interview prep workshops, panels, and networking events for students.

Riaz Virani
Find Niya Software, Canada
Riaz Virani has over a decade of experience in building products and engineering teams. He was most recently CTO at LoadUp Technologies, which topped out at 118 on the Inc 500 Fastest Growing privately-held companies in 2019. Prior to that, Riaz worked in web performance, machine learning, and consulting.
Richard Moss
Sainsbury's, UK
An avid technologist, Richard has worked on a variety of projects with a diverse range of people, crossing technologies, languages, and continents. With a particular focus on the front end space, he is currently working across teams to help build and develop the tech function at Sainsbury’s. Passionate about teaching and sharing, he’s also a co-organizer of JavaScript London and was previously a senior coach at React GraphQL Academy helping professional devs take their skills to the next level.

Rizel Scarlett
GitHub, USA
Rizel is a Developer Advocate at GitHub. She moonlights as an Advisor at G{Code} House, an organization aimed at teaching women of color and non-binary people of color to code. Rizel believes in leveraging vulnerability, honesty, and kindness as means to educate early-career developers. Her favorite past times are watching anime, crying at the gym, and annoying her husband.

Robert Hostlowsky
Instana, Germany
Currently, Robert Hostlowsky is working as a developer, coach and systems engineer.
He published an online video course about developing a full-stack GraphQL application online-course.
He loves DevOps culture on modern cloud infrastructure, uses the latest state-of-the-art web technologies, and loves how it plays nicely together at minimum effort and cost.
He loves web technologies. Feeling being a part of the developer community he is co-organizing the JSCraftcamp, Munich.

Robert Plummer
iFit, USA
Robert is a full stack engineer with 15 years of developer experience, helping lead a node based machine learning team at iFit. From an early age, he strove to understand how things worked by taking them apart, and putting them back together. He became interested in machine learning in 2015, saw a larger need in the node community, and eventually became a maintainer of Brain.js and GPU.js. His desire to convey the simplicity of neural networks was manifest in his machine learning course on scrimba: Neural networks in JavaScript.

Robert Pop
NorSoft Development, Romania
Co-Founder, Entrepreneur, Software Engineer, Consultant, Trainer
I am passionate about technology and building products that solve real world problems.
I love to teach people how to code and get them started on their coding journey. I've held many workshops and guided students into the world of programming.
My passions include building products, learning new things, sharing my knowledge, and helping others.

Robin Marx
Akamai Technologies, Belgium
dr. Robin Marx is a Web Performance Expert at Akamai Technologies. He focuses on the performance and workings of modern Web protocols like HTTP/2, HTTP/3 and QUIC and has been a contributor in the IETF QUIC working group for multiple years.
Robin often talks about web performance at international conferences, making the complex situations more insightful to the wider public. On the weekends, he likes to hit other people with longswords.

Rob Richardson
Cyral, USA
Rob Richardson is a software craftsman building web properties in ASP.NET and Node, React and Vue. He’s a Microsoft MVP, published author, frequent speaker at conferences, user groups, and community events, and a diligent teacher and student of high quality software development. You can find this and other talks on https://robrich.org/presentations and follow him on twitter at @rob_rich.

Rob Sutter
Fauna, USA
I have woven application development into my entire career, from time in the U.S. Army and U.S. Government to stints with the Big Four, the world's largest cloud services provider, and smaller startups. I have started my own company – twice – once providing consulting services and most recently with WorkFone, a software as a service startup that provided virtual digital identities to government clients. I love to build in public with Go and all things serverless!

Rodrigo Donini
Toptal, Spain
Rodrigo is a focused developer who produces digital projects for agencies around the world. He has 20 years of experience using various methodologies and tech in most web and mobile projects. He has a strong knowledge base of the WordPress world and is very engaged with the community: building custom themes, plugins, and core customizations. He specializes in WordPress, developing for the front-end back-end and in managing digital projects.

Roman Sandler
Fiverr, Israel
Roman Sandler is a former educator turned self-taught software engineer. Roman spends most of his time working on the Fiverr Business platform at Fiverr, focusing on UI development. Roman cares deeply about test automation and has spent the last few years coming up with patterns and practices to do so in a reliable and sustainable way.

Rotem Mizrachi-Meidan
Wix, Israel
Detox E2E team member.
Rotem is a Software Engineer, open source advocate, passionate about Android, React Native, mobile performance, writing developer tools and Lego!
In his current position at Wix, Rotem is leading the team working on Detox, and a few other infrastructure and testing tools.

Roy Derks
Vandebron, Netherlands
Roy Derks is a developer, author and public speaker from the Netherlands. His mission is to make the world a better place through tech by training and inspiring developers worldwide. Currently he is working with StepZen on a mission to make GraphQL adoption easy and scalable.

Roy Tal
Firefly, Israel
Roy Tal is a cloud and DevOps enthusiast who loves to build tool that will make infrastructure operations better for everyone. Today he is a team leader and founding team member at Firefly who are helping solve infrastructure drift in large-scale cloud operations. Before that he served as a backend developer at Dome9, building better security practices into cloud operations, that has been acquired by Check Point.

Ruben Bridgewater
MaibornWolff, Germany
Ruben Bridgewater is member of the Node.js Technical Steering Committee (TSC) and works as Principal IT Architect for MaibornWolff GmbH. His main emphasis is building powerful and easy-to-use APIs for scalable and fast applications. He is continuously working with the V8 team and the TC39 committee to improve the developer experience with JavaScript.

Russell Fustino
Algorand, USA
Russ Fustino is a Developer Advocate on Blockchain for Algorand helping developers learn how to build Blockchain solutions. Russ is a Microsoft MVP reconnect in App Development and a former Developer Evangelist for Microsoft. Fustino has a passion for conveying relevant, current, and future software development technologies and tools. He shares that knowledge via live seminars, teachings, and internet video productions. Russ has enlightened, entertained and educated over one million developers over the course of his career. He is a recipient of the INETA Lifetime Achievement Award.

Ruth Mesfun
Teachers Pay Teachers, USA
Ruth Mesfun is a Software Engineer at Teachers Pay Teachers. Her team was tasked to de-risk important pages that were dynamically rendered on mobile which they completed in two months.
While learning all about SEO and mobile-first indexing she also is taking a class in beginner Japanese and finished a Financial Coach program.

Ruy Adorno
GitHub, Canada
Ruy is an open-source maintainer, Node.js contributor and member of the npm cli team at GitHub fostering community contributions while also working on tools that manages millions of JavaScript package installs everyday.
He also speaks at conferences and meetups from time to time, you can find some of the presented content on Speaker Deck and Youtube.

Ryan Chenkie
CourseLift, Canada
Ryan is a full stack developer and loves all things React, Node, and GraphQL. He's also a big fan of web security, a topic he has written about extensively and taught thousands of developers on. Ryan is also the founder of CourseLift, a course hosting platform that helps authors earn more from their online courses. He blogs at ryanchenkie.com.

Ryan Dahl
Deno, USA
Ryan is a creator of Node.js and Deno. He studied mathematics at UCSD and the University of Rochester before pursuing software engineering professionally.
He has worked in various parts of the software - from server infrastructure to machine learning research. His current role is as the co-founder and CEO of Deno Land Inc.

Ryan Severns
StackHawk, USA
Ryan Severns is Co-Founder & COO at StackHawk where he spends his time getting application security into the hands of developers. Prior to StackHawk, he led analytics, marketing, and growth teams at VictorOps and JumpCloud. He loves end-user focused software, data, and chips & salsa.

Sabin Adams
Prisma, USA
I'm Sabin Adams, and I've been working in web development for about ten years now. I love solving problems and making tools that make developers' lives easier, and currently, I work as a developer advocate for Prisma. Teaching, speaking, and writing about web development is my passion!

Sachin Dangayach
Applied Materials, India
Sachin is a Deputy Director at Applied Materials leading efforts in Data Science and Advanced Analytics with a team of data scientists, working to provide innovative solutions with a focus on AI enablement in various products and systems for the semiconductor equipment manufacturing industry.
He has over 15 years of diverse experience in the Industry around Software, Data Science and Artificial Intelligence.

Sahar Pournasseh
Gearback, Iran
Sahar is a software developer and a game enthusiast. She has been developing in the web and mobile platforms for years, but her childhood passion for games and gaming brought her to the game industry and her experience with web and mobile platforms gave her more insight to become an indie game dev. Starting with JavaScript web games made this passion burn brighter and she's been creating games ever since, working with different engines and experimenting with creating multiplayer and single player games.
Sami Jaber
Builder.io, Canada
Following a stint in data engineering, I have spent the past 6 years focused on web development.
After building elegant & highly performant user experiences at Unsplash as the Web Team Lead, I have now shifted focus to developing SDKs & maintaining Mitosis @ Builder.io.
I am currently the core maintainer of Mitosis, a trail-blazing open-source project that allows engineers to write their components once and build them for every web framework out there.

Sam Stepanyan
OWASP London Chapter Leader, UK
Sam Stepanyan is an OWASP London Chapter Leader and an Independent Application Security Consultant with over 20 years of experience in the IT industry with a background in software engineering and web application development. Sam has worked for various financial services institutions in the City of London specialising in Application Security consulting, Secure Software Development Lifecycle (SDLC), developer training, source code reviews and vulnerability management. He is also a Subject Matter Expert in Web Application Firewalls (WAF). Sam holds a Master’s degree in Software Engineering and a CISSP certification.

Samuel Snopko
Storyblok, Slovakia
Samuel is responsible for the developer relations at Storyblok. As the headless system's head of devrel, he spends most of his time buried in the documentation and creating various experiments and demos. He always defines himself as Creative FrontEnd Knight & DesignOps enthusiast with a passion for JAMStack and the beautiful web. As a determined community believer, he co-created multiple meetups and is always happy to help any community in need.

Sandrina Pereira
Remote, Portugal
Sandrina is a Frontend Engineer who helps turn ideas into accessible experiences.
Within the React ecosystem, she’s been shrinking the gap between Engineering and Product design. Currently she’s doing that at Remote as a Team Leader. Along the journey, she’s has been raising awareness of why Web Accessibility is part of our duties as web creators.

Sanket Sahu
GeekyAnts, India
I found my love for computers at the age of 8 and haven’t looked back ever since. I built a bunch of products (builderX) and OSS (NativeBase) and lead a consulting company of 500+ folks. I am very fortunate to combine my two passions, design and code, into what I do for a living. I am Sanket, founder at GeekyAnts and still a developer at heart. Currently, I spend my days in my self designed caravan, learning what it’s like to live as a digital nomad and I can’t wait to share my stories with you!

Sara Vieira
axo.dev, Germany
Sara is a developer at axo.dev. Author of The Opinionated Guide to React.
GraphQL and Open Source enthusiast. Conference Speaker and Airport expert. She's also a fan of horror movies, has talents such as banging sticks into a drum kit and saying the wrong thing at the wrong time.

Sasha Rosenbaum
Red Hat, USA
Sasha is a Sr. Manager on the Managed OpenShift Black Belt (MOBB) team at Red Hat, where she is helping enterprise customers successfully migrate to managed OpenShift on customers’ favorite public cloud.
In her career, Sasha has worked in development, operations, consulting, and cloud architecture. Sasha is an organizer of DevOpsDays Chicago, a chair of DeliveryConf, and a published author.

Sasha Solomon
Twitter, USA
I'm a software engineer at Twitter working on the Core API Team helping build the next generation API with GraphQL and Scala.
I currently serve on the GraphQL Governing Board as a representative of Twitter.
Previously, I worked at Medium as the tech lead of the Platform Team, jumpstarting Medium's move to GraphQL.

Scott Gerlach
StackHawk, USA
Scott Gerlach is Co-founder and Chief Security Officer at StackHawk, a Denver-based startup focused on empowering engineers to easily identify and remediate security bugs. Scott brings over two decades of security and engineering experience to his current role, having served as CSO, CISO, and in other executive leadership functions at companies like SendGrid, Twilio, and GoDaddy. When he's not at work, you'll find Scott spending time with family, brewing beer, and playing guitar.

Scott Spence
GraphCMS, UK
I’m a developer advocate working with GraphCMS to create content that helps remove friction and educate around the GraphQL space. I create content written in the blog here and also in educational videos supporting the written content. I’m a second career dev, that reskilled from a VBA analyst developer role into web development. I’m a massive fan of the Jamstack I have a wealth of knowledge working with Gatsby and am spending a lot of time familiarising myself with Svelte and SvelteKit.

Scott Vinkle
Shopify, Canada
Scott is an accessibility specialist at Shopify. He spends his days auditing web properties and native apps, reviewing code, and discussing inclusive design principles with designers, developers, content authors, partners, support, and legal teams.
In his spare time Scott runs an online store and writes about web accessibility at ScottVinkle.me. He also enjoys snowboarding in the winter and mountain biking in the summer. He lives in Ajax ON with his wife and two children.

Sean Grove
Netlify, USA
Sean's been convinced there are better ways to develop applications across the stack for years, and built time-traveling debuggers, interface builders, layout tools, and graphic design tools in his quest to explore the space. Before leading Netlify Graph, he ran engineering at PayGarden, and participated in Y-Combinator twice - once in 2011, and again in 2018.

Sean Landsman
AG Grid, UK
Get started with AG Grid React Data Grid with a hands-on tutorial from the core team that will take you through the steps of creating your first grid, including how to configure the grid with simple properties and custom components. AG Grid community edition is completely free to use in commercial applications, so you'll learn a powerful tool that you can immediately add to your projects. You'll also discover how to load data into the grid and different ways to add custom rendering to the grid. By the end of the workshop, you will have created an AG Grid React Data Grid and customized with functional React components.

Sebastian Witalec
Weaviate, Denmark
Sebastian Witalec is the head of Developer Relations at Weaviate. He loves working on both serious and fun projects, and one day he will use his robot army to conquer the world.
He is always happy to learn about new stuff and to pass the knowledge as far as his voice (or the wire) can take him. Sebastian is based in Copenhagen, actively working with various Dev communities across Europe. When not acting techie, he is a massive football fan/player (probably bigger at heart than in skills).

Sedky Abou-Shamalah
Tyk, USA
I'm a computer scientist by education, a software developer by trade, and a serial technologist at heart. In short, my passion is solving technical problems. As a solutions architect at Tyk, I help companies design and architect API management platforms and digital transformation journeys.

Selena Small
Fresho, Australia
Selena is a full-stack lead engineer at Fresho in Melbourne Australia who is particularly passionate about TDD. As a self-taught coder with a background in management, she is well-equipped to mentor others. In her spare time, she is a nak muay ying, professional kickboxer.

Senna Parsa
GitHub, Netherlands
Senna is a Solutions Engineer at GitHub supporting our customers the EMEA MidMarket segment. She has a background in web application, iOS development, and accessibility. Originally working out of the HQ in San Francisco, she’s been working with GitHub customers for three years, passionate about empowering developers and helping organizations as they go through cultural and digital transformations.

Sergii Zhuravel
Absio, Ukraine
I'm a Lead Software Engineer. I have a master degree in applied mathematics and more than 10 years of experience in IT. Worked with different back-end and front-end technologies. Now I work with React and Redux, and I like them a lot. I like to share my knowledge, so I conduct programming courses (JavaScript), write articles and participate in different events.

Sergio Xalambri
Daffy, Perú
I'm Sergio Xalambrí, an Argentinian web developer living in Perú and working at Daffy.org.
I'm a tech writer at sergiodxa.com and an Open Source author and contributor.
I'm an early supporter and contributor of Remix. Previous contributor of Next.js, SWR, and several other OSS projects.
I’ve also authored Remix Auth, Remix Utils, remix-i18next, useMutation, flagged, and more packages.

Serkan Ozal
Thundra, Turkey
A Computer Engineering MSc on Big Data and Cloud Computing with Hadoop and Hive at METU (Middle East Technical University).
Here is my summary:
* Big data and Cloud computing architect/researcher/developer
* Low-level Java and JVM researcher/developer/hacker
* AWS Technical and Business Consulting Partner
* "Off-Heap Storage" and "Bytecode Instrumentation" Ninja
* Oracle OpenSource Contributor
* PhD candidate about Indexing on Hadoop and Hive
* Always thinking on open-source project ideas

Seungho Park
LG Electronics, South Korea
Seungho is a Senior Software Engineer at LG Electronics and leads Enact (https://github.com/enactjs) as an organization owner and maintainer. Enact is a React-based app framework that supports TV UI components, remote control input, a11y, i18n, and webOS APIs. It is shipped on webOS devices.

Shain Dholakiya
Decentology, USA
Shain is a Developer Advocate at Decentology, where he teaches about topics in Web3 and how to build in Web3. He previously worked at NASA, The Boring Company, Microsoft, and Amazon, focusing mainly on web and mobile development. Shain spends most of his time building side projects, engaging with the Web3 community, playing poker, and working out!

Shai Reznik
HiRez.io, Israel
Shai Reznik or "That guy who always talks about testing..." is the founder of HiRez.io which focuses on cost effective testing training.
Being a leading part of the JavaScript community since 2012 and a Google Developer Expert, Shai has been speaking all over the world giving wild and entertaining talks.
His courses and training have helped thousands of developers enjoy a stress free life and while increasing their code confidence, quality and efficiency.
And his lectures have been viewed by over 170,000 developers (and probably a few random people as well!)
As a hobby, Shai does improv and standup comedy and love to tease friends with weird sweaters.

Sharone Zitzman
RTFM Please, Israel
I'm a marketing technologist and open source community builder, who likes to work with engineering teams that are building products that developers love. Having built both the DevOps Israel and Cloud Native Israelcommunities from the ground up, today I spend my time finding the places where technology and people intersect and ensuring that this is an excellent experience. You can find my talks, articles, and employment experience at rtfmplease.dev.

Shawn Swyx Wang
Temporal, Singapore
Swyx is passionate about Developer Tooling and Developer Communities. He currently works as Head of Developer Experience at Temporal.io and recently published the Coding Career Handbook for Junior to Senior developer careers. In his free time he teaches React, TypeScript, Storybook and Node.js CLI's at Egghead.io, and helps run the Svelte Society community of meetups.

Shivani Poddar
Facebook, USA
Shivani Poddar is a Machine Learning Tech Lead for the Meeting Assistant team at Workplace, Facebook, leading the development of meeting assistants for making remote collaboration easier for work. Previously, Shivani built and launched the foundational machine learning and AI stack for Facebook Portal, spearheading product and engineering development across social graph technology for ML, deep personalization for a smarter calling experience.
She was also the first ever student at Carnegie Mellon to be funded by the Amazon Alexa Prize, where she and her team built a social chatbot, eventually deployed to tens of thousands of users through Alexa. During her time at CMU she also pursued research in the field of Natural Language Generation, Reinforcement Learning for chatbots and multimodal machine learning.
Outside of Work, Shivani has emerged as one of the leaders in talking about Artificial Intelligence and Machine Learning for Consumers as well as Enterprises. She has been a speaker at numerous conferences over the last 2 years covering topics such as – Diversity and Bias in AI, Future of Work, Immersive Multimodal Assistants. She is also a mentor for young aspirants looking to become the next innovators in the field, and regularly volunteers in resume building workshops, panels for hiring and Q&As on LinkedIn.
Shivay Lamba
TensorFlowJS Working Group Lead, India
Shivay Lamba is a software developer specializing in DevOps, Machine Learning and Full Stack Development.
He is an Open Source Enthusiast and has been part of various programs like Google Code In and Google Summer of Code as a Mentor and has also been a MLH Fellow. He is actively involved in community work as well. He is a TensorflowJS SIG member, Mentor in OpenMined and CNCF Service Mesh Community, SODA Foundation and has given talks at various conferences like Github Satellite, Voice Global, Fossasia Tech Summit, TensorflowJS Show & Tell.