Cassidy Williams is a Chicago-based software engineer, Senior Director of Developer Advocacy at GitHub, and one of the most recognizable voices in the frontend developer community. Known online as @cassidoo, she runs the widely-read weekly newsletter 'rendezvous with cassidoo,' builds mechanical keyboards, mentors early-career engineers, and has spoken everywhere from TED stages to the United Nations. She's a Glamour '35 Women Under 35 Changing the Tech Industry' honoree, a LinkedIn Top Professional, and a firm believer that you get a lot by giving.
Charlie Guo is a Stanford and YC alum who turned a personal obsession with AI into a 23,000-subscriber newsletter and a Developer Experience role at OpenAI. Through Artificial Ignorance at ignorance.ai, he writes at the intersection of software engineering and artificial intelligence - cutting through hype to deliver practical, hands-on insights for builders. He has co-founded multiple startups (ClassOwl, FanHero, Crowdmade), published a book of startup interviews called Unscalable, and created a widely-used Python library for Gmail with 1.8k GitHub stars - all while teaching himself AI engineering through relentless experimentation.
Lee Robinson is a developer educator and engineering leader who spent five years at Vercel scaling Next.js to over a million monthly active developers, rising from individual contributor to VP of Developer Experience. He now serves as Head of AI Education at Cursor, teaching developers how to build software with AI-powered tools. Known for creating free courses like Mastering Next.js and React 2025, his newsletter 'Optimism (for the web)' and 234K+ Twitter following reflect his belief that great technology should be easy to understand and interesting to learn.
Sarah Drasner is a Senior Director of Engineering at Google, where she leads the Core Developer Web Infrastructure powering Search, YouTube, Gmail, and Workspace. A rare hybrid of fine artist turned technologist, she spent 15+ years shaping how the web moves - as a Vue.js core team member, staff writer at CSS-Tricks, creator of the Night Owl VS Code theme (used by millions), and author of both 'SVG Animations' (O'Reilly) and 'Engineering Management for the Rest of Us'. Before Google, she was VP of Developer Experience at Netlify and a Principal Lead at Microsoft Azure. She is an award-winning speaker, teacher on Frontend Masters, and co-organizer of ConcatenateConf, a free conference for Nigerian and Kenyan developers.
Surma (known online as @DasSurma) is a Principal Software Engineer at Shopify focused on developer experience and monorepo architecture. A former Google Chrome Team Web Advocate, he is best known for making WebAssembly and Web Workers approachable through open-source tools like Comlink (12k+ GitHub stars), Squoosh, and PROXX. He co-hosts the 'Off The Main Thread' podcast with Jake Archibald and publishes deep technical articles at surma.dev. Based in Bristol, UK, Surma has spent his career removing the friction between developers and the harder parts of the web platform.