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!
Tom Preston-Werner
Tom Preston-Werner
RedwoodJS, USA
Tom Preston-Werner is an inventor, entrepreneur, investor and philanthropist. He is currently building RedwoodJS, Preston-Werner Ventures (investing in open source, dev tools, climate tech, AI), and 128 Collective (a climate think tank working on the just transition to 1.5 degrees). Tom also cofounded and was CEO of GitHub, and created Jekyll, SemVer, and TOML. He currently sits on the boards of Gitpod, Netlify, Mote Hydrogen, and Hack Club. Tom enjoys running, mountain biking, snowboarding, flying helicopters, baking sourdough, and eating tater tots.
Shedrack Akintayo
Shedrack Akintayo
Software Developer, Developer Advocate, Technical Writer, Nigeria
Shedrack is a Developer Advocate and Technical Writer from Lagos, Nigeria. He loves community building, open source, and a has knack for improving developer experience of developer focused products.
Lin Clark
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.
Delba de Oliveira
Delba de Oliveira
Vercel, UK
Delba is interested in helping developers build great web applications. She’s a hobbyist videographer and Senior Developer Advocate at Vercel; where she creates educational content by combining her love for video and code.
Adrian Hajdin
Adrian Hajdin
JS Mastery, Croatia
Seasoned software engineer, educator, and a GitHub star passionate about technical education. I enjoy making learning simple through hands-on teaching and a project-based approach. Five years ago, I started the JavaScript Mastery YouTube channel, which became one of the largest technical education YouTube channels for intermediate to advanced developers in the JavaScript ecosystem.
Tejas Kumar
Tejas Kumar
Consultant, Germany
Tejas Kumar is an international keynote speaker, best selling author, and host of the developer-loved ConTejas Code podcast with an engineering background spanning 23 years, from design to frontend to backend to devops. Today, Tejas shares talks at large with developer communities worldwide, equipping them to do their best work.
Sara Vieira
Sara Vieira
Orama, UK
Sara is a developer relations engineer at Orama. Author of The Opinionated Guide to React. Open Source enthusiast. Conference Speaker. Talk to her about Retro Games or Airports.
Steve Ruiz
Steve Ruiz
tldraw, UK
Steve Ruiz has a background in fine art and is currently founder and CEO of tldraw. He has become known for his build-in-public style on social media, where he shares the iterative creation process that originally brought tldraw to life.
Rachel Nabors
Rachel Nabors
DevX consultant, USA
Rachel Nabors has spearheaded developer education at FAANG companies like Amazon and startups like Clerk and participated in web standards and open source with Mozilla, the W3C, and Microsoft. They have built award-winning dev portals for React and React Native with the core teams at Meta. They are currently roaming the world, working on opensource projects that teach the world to code from their home base in London.
Cassie Evans
Cassie Evans
GreenSock, UK
Cassie is an international speaker, and creative developer with a background in graphic design and motion design. She got started with coding back in the days of Myspace and Neopets and is on a mission to make the web more whimsical again.
 Francesco D'Alessio
Francesco D'Alessio
Tool Finder, United Kingdom
Francesco D'Alessio is a software reviewer that focuses on productivity tools. Building Keep Productive for over 10 years into a YouTube channel with over 400K+ subscribers, he now builds Tool Finder with co-founder Karl Hadwen to help people find tools.
Sunil Pai
Sunil Pai
Cloudflare, UK
Sunil works on the Workers Developer Productivity team at Cloudflare. Previously, he's worked on the React team in Facebook, built out the Javascript stack at Myntra, and a whole list of other product and infrastructure teams in his career. He can be found on twitter as @threepointone, or annoying his neighbors in London playing his Les Paul a little too loud.
Malte Ubl
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.
Shashi Lo
Shashi Lo
Microsoft, USA
Senior UX Engineer @Microsoft | Ex: @adobe | Husband, Father of 4 | Helping Devs break into tech
Anjana Vakil
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 an internationally acclaimed public speaker & educator, her talks and courses on functional programming, JavaScript, and philosophical & linguistic perspectives on software engineering have reached millions of learners worldwide. These days she mostly codes & teaches from her dual home bases in the San Francisco Bay & Berlin, when not traveling (in a mask) to events around the world to speak about the joy of programming and advocate for a more equitable & ethical tech industry. Nerd out with her about programming paradigms, ask her about the Recurse Center & Outreachy, and definitely invite her to your karaoke party!
Erick Wendel
Erick Wendel
Erick Wendel Training, Brazil
Erick Wendel is a Node.js Core Team Developer, Keynote Speaker, and professional educator. He's delivered over 100 tech talks in 10+ countries and has been recognized as a Node.js Specialist with awards from Google, Microsoft, and GitHub. With his company https://erickwendel.com, Erick has trained over 100K people worldwide.
Lee Byron
Lee Byron
GraphQL Foundation, USA
Co-creator of @GraphQL and Director of GraphQL Foundation. I make teams and things @RobinhoodApp, previously @Facebook
Bruce Lawson
Bruce Lawson
Web Standards & Accessibility Consultant, UK
Bruce Lawson is a Tech Communications Officer, Vivaldi browser. He was co-editor of the HTML5.3 specification, one of the inventors of the picture element, and was on the committee that drafted the British Standard for commissioning accessible websites. He co-wrote 'Introducing HTML5'. He's previously been deputy CTO of Opera browsers, front-end lead for a large UK legal organisation, a Fortran and mainframe programmer as well as a Bollywood movie extra, a musician, a tarot card reader, tutor to a Thai princess and actor.
Mark Erikson
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.
Ben Holmes
Ben Holmes
Astro, USA
Ben is a full-stack developer, open source maintainer, and whiteboardist making the web a little better. You'll find him hacking on Astro.build or sharing bite-sized learnings on wtw.dev.
Laurence Moroney
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.
Feross Aboukhadijeh
Feross Aboukhadijeh
Socket, USA
Feross is founder and CEO at Socket (https://socket.dev), a developer-first security platform. Feross has worked in open source software for 10+ years writing some of the most-downloaded JavaScript packages. Feross is a lecturer at Stanford where he teaches CS 253 Web Security. Socket makes a developer-first security platform that prevents vulnerable and malicious open source dependencies from infiltrating your software supply chain. Thousands of organizations in every industry use Socket to safely discover, audit, and manage OSS at scale.
Krystal Campioni
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
Christoph Nakazawa
Christoph Nakazawa
CEO at Nakazawa Tech, Japan
Christoph is the CEO of Nakazawa Tech, an indie game studio and open source company based in Tokyo. As an an experienced engineering manager and frontend lead 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 building Athena Crisis.