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!

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.

Clément Pasteau
GDevelop, France
Clément is a software engineer passionate about creating applications of quality at speed, making sure he can be involved in every aspect of the development. Currently CTO of GDevelop, he’s a big believer in Lean, ensuring the best quality in the apps built by improving Developer Velocity.

Stuart Malt
Comnoco, United Kingdom
Stuart is the founder of Comnoco, a visual programming tool for backend dev.
His current interest is in turning frontends into full stack apps, by building scalable code agnostic functions, using no-code and AI. Having built and worked with different business automation software he advocates for faster, more accessible dev. He has two daughters and one dog. In his free time, when he's not learning new technologies he's probably walking the dog

Felix Wotschofsky
Kombo, Germany
As long as I can remember, I've always been fascinated by computers and have loved creating things. So for the last 8+ years, I have been shipping a bunch of fun (and serious) stuff.
Currently building the unified API for HRIS, ATS and Payroll as Engineer at Kombo (YC S22) in Berlin.

Kevin Uehara
IFood, Brazil
Kevin Uehara is a Frontend Engineer at iFood and an active Google Developer Groups Campinas (GDG) collaborator. Recognized twice as a Microsoft MVP for his contributions to the tech community, Kevin is also the organizer of FrontIn Campinas, as well as an international and national speaker and tech content creator. Based in Brazil, he is passionate about sharing knowledge and inspiring other developers in the frontend ecosystem.
Tally Barak
Yoobic, Israel
Tally has over 30 years of software development, product management, and consulting experience. Today Tally works for Yoobic as an architect responsible for all the Frontend tooling, testing, and DevOps processes.
Tally loves Javascript and its ecosystem and is happily sharing this knowledge with other developers. Playwright Ambassador.

John Adib
Zapp, UK
Mentorship available
Senior lead software engineer with 16+ years of experience building large-scale platforms and leading multi-million dollar projects. Co-founder of multiple startups, open-source contributor, and UK Global Talent Visa holder. Named World’s Most Influential Mentor and #1 Mentor in Europe by ADPList. Former WorldSkills medalist and expert in IT Software Solutions.

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.

Sergio Mendonça
Delivery Hero (Pandora), Germany
Sergio Mendonça is an engineering leader and former CTO with a strong background in hands-on architecture and distributed systems. He is currently an Engineering Manager at Delivery Hero (Pandora) in Berlin, where he leads teams working on mission-critical order and settlement systems. Previously, he co-founded and served as CTO of Mettzer, an edtech platform, where he led product scaling, payments/subscriptions, and engineering operations.

Andrew Coleburn
Bitovi, USA
Andrew is a theatre kid turned software developer. He got his BA in psychology and theatre from Hobart College and his MA from the University of Central Florida. After a range of disparate adventures including acting, consulting, teaching, and recruiting, he attended the full-stack software engineering program at Thinkful, after which he joined Bitovi as a React Developer. Andrew consults for Fortune 500 companies like Yum and Aflac, helping them build high performing and scalable React applications
Originally from Massachusetts, he currently lives with his partner in Buffalo, NY. In his free time you'll probably find him cooking, reading, board-gaming, skiing, or cheering on the Boston Bruins. Mostly just that last one.

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.

Anemari Fiser
Independent Tech Lead Trainer, Barcelona
Mentorship available
Anemari Fiser is a tech leadership trainer, coach and O’Reilly author of Leveling Up as a Tech Lead. With over a decade in tech, she has coached 500+ engineers and trained 400+ tech leads worldwide, and shares practical leadership insights on LinkedIn with a community of 30,000+ tech professionals.

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.









