Jeff Delaney is the creator of Fireship, a YouTube channel with over 4 million subscribers known for delivering fast-paced, entertaining programming tutorials - most famously the '100 Seconds of Code' series. Based in Phoenix, Arizona, he turned a side project teaching Firebase and Angular into one of the most influential developer education platforms on the internet, complemented by his course platform fireship.io and an 8,000-member developer Slack community.
Simon Grimm is a German developer educator and solo founder who has spent over a decade teaching web developers to build mobile apps. Best known for Galaxies.dev and his earlier Devdactic blog, he was voted the #1 React Native video creator by the community. Beyond tutorials, he's building Tiny Harvest - a cozy idle farm RPG - entirely by himself. He went fully self-employed in 2017 and hasn't looked back.
Josh W Comeau is a Montreal-based frontend developer, indie course creator, and one of the most beloved CSS and React educators on the internet. After stints at Unsplash, Shopify, Khan Academy, and Gatsby, he left corporate engineering in 2020 to build interactive, deeply original courses that generated over $550,000 in presale revenue. His CSS for JavaScript Developers and The Joy of React courses have taught more than 28,000 developers through a teaching style that blends interactive widgets, mini-games, and the rare gift of building genuine mental models rather than just showing code.
Nader Dabit is a developer relations leader, educator, and engineer who built a career from scratch after starting to code at 30. From React Native expert to AWS advocate to Web3 bridge-builder, he has spent the last decade making complex technology accessible to developers everywhere. A founder of DeveloperDAO, author of two O'Reilly-family books, and now working at Cognition on AI software agents, Nader is the rare person who connects technical depth with community instinct - and has the self-taught story to prove it.
Preethi Kasireddy is a serial founder, engineer, and educator who pivoted from Goldman Sachs investment banking to venture capital at Andreessen Horowitz, then taught herself to code at Hack Reactor and went on to build at Coinbase, found TruStory, create DappCamp - one of the most respected Web3 developer bootcamps - and most recently co-found Ferta, a root-cause fertility coaching startup. Her writing on Ethereum and blockchain architecture has become essential reading for tens of thousands of developers worldwide.