Alex Xu

Alex Xu is the CEO and founder of ByteByteGo. His book, System Design Interview - An Insider’s Guide, is an Amazon bestseller, which has been translated into six languages. He has worked at Twitter, Apple, and Zynga.

Sahn Lam

Sahn Lam is a software engineer with decades of experience in building scalable systems at high-growth companies like Discord, Zynga, and NetApp. He has designed, built, operated, and optimized many interesting distributed systems used by millions of users.