React Summit 2025

Tanner Linsley is an entrepreneur and open source creator who loves React and JavaScript. He has built and still maintain several well-known open source libraries like React Query, React Table, React Virtual, React Form, React Charts, React Static, and even Chart.js He co-founded Nozzle.io 6 years ago and is currently helping it grow as VP of UI and UX. When not programming, Tanner spends his free time traveling, recording music, film-making, and vacationing with his wife and children.

Lydia Hallie is a software engineer, consultant, and educator with expertise in JavaScript, ECMAScript standards, and modern web development frameworks. She specializes in performance optimization, scalable architecture, and breaking down complex programming concepts into clear, visual explanations. Through a combination of hands-on engineering and in-depth technical educational content, she helps developers master advanced concepts.

Creator of Expo Router, manager of dev tools and the web platform at Expo.

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 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.

Shruti Kapoor is an accomplished Staff Engineer with a strong focus on front-end development. Currently employed at Slack, she brings extensive experience to the table from her time at PayPal. With a passion for DevJokes, Shruti has carved out a unique niche in the tech industry, bringing a refreshing sense of humor to her work. In addition to her professional accomplishments, Shruti is also an experienced educator, having taught courses in JavaScript, React, GraphQL, and front-end development. As an egghead instructor, she is dedicated to sharing her knowledge and expertise with others, helping to build the next generation of tech leaders.

Marko is a software engineer and data visualization enthusiast specializing in geospatial technologies. Currently a Founding Engineer at Fused, he builds interactive geospatial applications using React and deck.gl. Previously, he was a Senior Software Engineer at Foursquare and a Tech Speaker at Mozilla. As the Director of Armada JS, Serbia’s largest full-stack JavaScript conference, Marko is dedicated to community building and knowledge sharing. He holds a Master’s degree in Computer Science and is pursuing a PhD in data visualization.