JavaScript experts, mentors, speakers

With relentless positivity and genuine enthusiasm, Simeon is a Principal Educator at Sanity. He aims to bridge the gap between developers and content creators by presenting the benefits of and inspiring solutions with structured content.

I'm a Senior Software Engineer working in the JavaScript ecosystem. I'm also the founder of The T-Shaped Dev newsletter and the author of The Conscious React book. I'm interested in combining good practices and architectures within React and Node applications, closing the gap between JS Full Stack Apps and Clean Architecture.

I am Ayoub Alouane, working as a DevRel and TechLead in Adservio, Moroccan coming from Africa, starting a new journey in France, as a Speaker and Trainer, I'm trying to build a consciousness about web performance in our community of devs.

Naman works on design systems at Meta, maintains StyleX and is a contributor to React Strict DOM. Previously, he has dabbled in film-making in India, and spent a year working for a start-up in Spain.

Zan Markan is a developer advocate at CircleCI, on a mission to educate and inspire developers on the topics of CI/CD, DevOps, and software quality. Across his career he has worked in companies of various sizes, from enterprises to own startups, and everything in between, and across industries as diverse as retail, AI, and developer tools. He’s passionate about serverless technologies, mobile development, and developer experience. Outside of work, he enthuses over airplanes, craft beer, and the Oxford comma.

Josh Justice is the frontend architect of Chick-fil-A’s International division. He oversaw the development and release of the Chick-fil-A Canada app in July 2025. Over his 20-year software development career he’s specialized in mobile and frontend web testing approaches and tools as a way to deliver more sustainable software that meets user and business needs. He has shared what he learned about testing through consulting, blogging, and speaking at conferences such as Chain React and React Native EU.

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.

Daria is a Speaker, Scrum Master, and Software Engineer at Workday where she builds consumer-grade web experiences for the enterprise user. When not coding, Daria is often found traveling, eating good food, and traveling to eat good food.

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.

Marius is a Developer Evangelist at Twilio with a passion for exploring and sharing the latest in communication tech. He started as a UI developer in Silicon Valley, fell in love with JavaScript, and never looked back. Now based in Munich, he helps developers build cloud-native apps that redefine customer engagement. When he's not coding or speaking at events, you'll find him tinkering with Web 3.0 or dreaming up the next big prototype.

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.

Sergey is a web developer actively engaged in the development of technologies and tools for creating websites. One of the two co-authors of the BEM methodology. Currently he responsible for developer relations, hiring and training in his company.

Gert is an engineer at Chromatic, the company behind Storybook. He works closely with the rest of the Storybook team to envision and build the future of UI development and testing.

UI Engineer at Facebook. Author of Recoil.js

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

Iwo Plaza is a software engineer & artist, trying to incorporate art into every project he gets his hands on. He's passionate about graphics programming and softening the learning curve for future developers trying to get into it. Author of TypeGPU and numerous interactive examples and games built using WebGPU for Web and React Native. His combined experience with C++ game engines and TypeScript's type system allow him to lead the project in a unique direction.

The web, mobile, JavaScript, React/Native, CI/CD, process improvement, leading teams, remote work, and interviewing.

In 2013, I graduated with a BFA and took my first job as a Junior Graphic Designer at a small, boutique ad agency. While there, my Creative Director warned me to never let anyone find out I could code, because if I did I'd be stuck doing it forever. I ignored his warning; it turns out he was completely right, but I've never been happier. I currently work as a developer advocate on a wonderful team where I help people build web applications in React, design and maintain their UI component libraries, and desperately attempt to stop back-end devs from writing any more CSS.

Ruy Adorno is Vice Chair of the Node.js Technical Steering Committee, a member of the Node.js Release Working Group, and Founder Engineer at vlt.sh. Previously at Google, GitHub, and npm, he has 20+ years building developer tooling and web platforms.

Chris McCormick has been putting weird things on the internet since 1997. He writes code, makes music, doodles, does game dev, and builds online micro-businesses as a hobby.

Bree is a frontend Software Engineer turned Developer Advocate. She has a passion for coding and making technology education accessible to everyone. Bree creates technical content to help developers create and build autonomously.

I work in open source for the web! I'm an Astro core resident, Svelte and Vite core team member.

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.

Thomas has contributed to dozens of enterprise Node.js services and has worked for a company dedicated to securing Node.js. He has spoken at several conferences on Node.js and JavaScript, is an O'Reilly published author (Distributed Systems with Node.js ), and is an organizer of NodeSchool SF.