Alex Xu and Sahn Lam are the co-founders of ByteByteGo, the premier technical education platform for system design. Together they built a newsletter with 1M+ subscribers, a YouTube channel with 500K+ subscribers, a GitHub repo with 82K+ stars, and a bestselling book series used by engineers at every major tech company to crack system design interviews. Alex, a CMU grad and former engineer at Twitter, Apple, and Zynga, handles the newsletter, books, and social media. Sahn, a UC Berkeley EECS grad and 25-year veteran of NetApp, Zynga, Ubiquity6, and Discord, leads YouTube content creation. Together they've turned a niche interview-prep subject into a global movement.
Delba de Oliveira is a Staff Developer Advocate and DX Engineer at Vercel who built Next.js Docs and the Next.js Learn platform, teaching millions of developers about React and Next.js. She transitioned from medicine and customer service into engineering, famously entering tech when a colleague asked her to 'open a GitHub issue.' Known for her visually rich educational content, conference keynotes at Next.js Conf, and her hobby as a videographer, she combines technical depth with storytelling instinct - bridging complex concepts and accessible learning in the React ecosystem.