JavaScript experts, mentors, speakers

Krzysztof is a photographer, globetrotter open-source maintainer, and public speaker. He works as a Senior Research Engineer at GitHub Next, where he designs and builds the next generation of developer tools such as GitHub Copilot. After the work, Krzysztof is an open-source software maintainer passionate about functional programming (especially F#), editor tooling and developer experience - he has created and maintained several OSS projects varying from language servers to web frameworks to VSCode plugins. Additionally, he is a passionate public speaker. You can meet him at many conferences around the world, where he is always trying to meet new people and learn how to make the lives of software developers better.

Tom is the Head of Developer Experience at Convex, which means he's the one to blame if your support tickets takes longer than 5 minutes to get a response. He also spends a lot of time talking with developers in order to better understand how to make Convex the fastest, most reliable and easy-to-use development platform on the planet. If you have any ideas, email him! Tom got into software engineering as a kid, and it's a passion that never left. His free time is spent reading programming books (no joke), and playing covers of 90s pop songs on his guitar while singing extremely loudly and beautifully.

Justin is the creator of [FormKit](https://formkit.com/), [ArrowJS](https://arrow-js.com), [AutoAnimate](https://auto-animate.formkit.com/), and [VueFormulate](https://vueformulate.com/). When he’s not working on open-source, Justin is a devoted husband, father of three boys, and connoisseur of all things aviation.

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.

Full-stack developer with 18+ years of experience, currently he is head of engineering at Product Hunt (owned by Angel List). In his spare time, he organizes React.NotAConf conference and React.Sofia meetup.

Sylwia (pronounced "Sylvia") is a developer advocate at Inngest, a tech writer, and an educator passionate about making tech accessible and diverse. She is a co-organizer at React Robins, a community for women and non-binary React devs. Aside from tech, she’s working on a card game and loves hiking, biking, pierogi, and plants.

Krasimir Tsonev is a coder with over 20 years of experience in web development. Author of books on JavaScript he works at Antidote.me where he helps people reaching clinical trials. Loves React and its ecosystem.

Braydon Coyer is a Senior Frontend Engineer at LogicGate, where he plays a key role in developing an automated Governance, Risk, and Compliance (GRC) platform. As a creative developer, blogger, and designer, he enjoys tinkering and sharing his projects with the public. Braydon lives in Texas with his wife and two daughters.

Aurora Scharff is a software developer and Microsoft MVP from Norway. She serves as a consultant at Crayon Consulting, while also contributing as React Certification Content Owner at certificates.dev. She focuses on web development with extensive experience in React and Next.js, including active use of React Server Components. Aurora shares her knowledge through workshops, technical blog posts, social media, demo applications, and supporting fellow developers. She regularly presents internationally at recognized conferences, contributing to the global developer community through both her speaking engagements and educational content creation.

Roman is a Developer Advocate at JetBrains, ex- Product Marketing Manager for PhpStorm, and author of the PHP Annotated newsletter. He is passionate about PHP and Web development, tech, and electronic music. Had a hand in the establishment of The PHP Foundation and currently serve as its Board Member and Operations Manager. 📍 Originally from Kharkov, Ukraine, now reside in Amsterdam, NL.

TC39 delegate and ECMA rep, working on JavaScript feature proposals. Hemanth is a FOSS philosopher and MTS at PayPal Inc. Google Developer Expert for Web && Payments. DuckDuckGo community leader. Member of Node.js Foundation. Google Launchpad Accelerator mentor.

The creator of Q.js (a drag-and-drop quantum circuit composer) and Handy.js (a hand pose capture and recognition toolkit for WebXR). Stewart invents fun future things in collaboration with his amazing colleagues at Unity Technologies where he serves as Head of Consumer Augmented Reality. Prior to Unity, Stewart has worked with renowned hybrid studios like Google’s Data Arts Team, Google Creative Lab, Amazon’s Emerging Technologies and Intelligence Platforms team, and Unity Labs. Together with his talented teammates, he’s won industry awards like the Cannes Gold Lion, created a virtual reality music video for LCD Soundsystem, and collaborated with Ernő Rubik to create the “Beyond Rubik’s Cube” traveling exhibition. What really makes Stewart happy is partnering with smart friends to take on the impossible – or the ridiculous. Stewart received his Master of Fine Arts in Graphic Design from Yale University. His artwork has been exhibited at various museums around the world, he’s taught graduate courses that mix code with graphic design, served on various industry panels, and is always excited about the future.

Software Engineer and Architect. Currently building Micro Frontends Frameworks At American Express. I enjoy exploring new technologies and sharing my experiences with others.

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.

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.

Lenz Weber-Tronic works as a 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.

Nathan has been working on .io multiplayer game developer for 7 years, helping build & scale games like Krunker.io, Diep.io, and Ev.io over seven years. He's a fan of games that are easy to learn but challenging to master. Away from coding, he’s often found trail running and doing photography. Currently, he’s building open-source tools to help multiplayer game devs with distribution at Rivet.

Tim is principal developer advocate at Uniform with a focus on developer relations, community building, and content creation. He’s active in the developer community through speaking engagements at conferences and creation of YouTube videos on modern technologies. Tim collaborates regularly with startups like Cloudinary, Prismic, Zeplin, and NuxtJS, and is a member of the MACH Alliance Tech Council. It's all about quality, community, and development of great websites.

Maintaining and contributing to TanStack Router & Start

Jamie is a hobbyist cross-platform developer who likes exploring how we can make native app development more like web development.

Development Manager on the Retail Dev Accelerate team.

Matt Carroll works as a developer advocate on the React team at Meta. He is currently focused on collaborations with the community and server components. Before Meta, Matt worked in developer relations at Google.

Louis is a co-founder of Vibe Kanban. A self-taught full-stack engineer, he's spent five years at the intersection of AI and developer productivity, from neural code search (2021) to LLM-based code translation (2024) to Vibe Kanban today. He also runs the AI Tinkerers London community.

Daniel Kelly is a Vue School teacher from Alabama, USA. He is a passionate web developer for over 10 years. Enjoys talking about Vue, Nuxt and Laravel and sharing coding tips he picked up along the way with fellow devs.