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!

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.

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.

Beau Carnes
freeCodeCamp.org Teacher, USA
Beau Carnes is a teacher and developer at freeCodeCamp.org, a community of people from all around the world who are learning to code together. Beau manages the freeCodeCamp.org YouTube channel, which has around 10M subscribers, making it the most subscribed software channel on YouTube. Beau has helped many people learn to code and start a tech career.

Medhat Dawoud
Miro, Netherlands
Medhat is a Senior Software Engineer at Miro and a Google Developer Expert in Web Performance with extended experience in several web technologies, through his writings on his blog, online video courses, and talks he likes to share learnings, tips to write cleaner/reusable code, and useful DevTools, also he likes to speak about web performance and how to ship a fast and accessible web application to everyone

Linus Groh
Bloomberg, UK
Linus is a Senior Software Engineer at Bloomberg, where he works on JavaScript infrastructure. His roots are in front-end development and he got into in-browser and JavaScript engine development through open source contributions. He is also interested in standards work and participates in Ecma TC39 as a delegate.

Tapas Adhikary
CreoWis Technologies, India
Tapas Adhikary is a Tech Educator at tapaScript, and the Co-Founder of CreoWis Technologies, a cutting-edge tech firm. He is also the founder of the ReactPlay Open Source community. Besides, he is a public speaker, a YouTuber, and a Tech Blogger on freeCodeCamp. He has vast experience in full-stack engineering and building SaaS solutions.

Jesse Hall
MongoDB, USA
Jesse Hall, aka @codeSTACKr, is an accomplished full-stack developer with a dedication to teaching others about web development. By leveraging his self-taught experience, he creates engaging and informative content through articles, videos, live streaming, and interactive presentations. His areas of focus include JavaScript, TypeScript, React, Node.js, Next.js, Tailwind CSS, and MongoDB. In his pursuit of knowledge sharing, Jesse continually updates his skills and techniques to provide cutting-edge insights and tutorials for web developers of all levels.

Stoyan Stefanov
Etsy, USA
Stoyan has recently joined Etsy as a web performance consultant (formerly at Facebook, WebPageTest and Yahoo!). He has a storied history as an accomplished author, contributor, and custodian of the well-known and respected Planet Performance calendar. He habitually speaks about web development topics at conferences and on his blog at phpied.com (http://phpied.com/). Stoyan is also the creator of the smush.it (http://smush.it/) image optimization tool, YUI contributor and was the architect of Yahoo's performance optimization tool YSlow 2.0.

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.