About

Dan Luu is an engineer, researcher, and writer based in Vancouver, Canada, renowned for his rigorous, empirical analyses of computer systems and software practices.

With a background spanning hardware architecture, distributed systems, and reliability engineering, he previously worked at Twitter and Microsoft, and served as a facilitator at the Recurse Center. He is widely respected for conducting painstaking benchmarks and investigations into real-world performance—ranging from input latency across decades of computers to CPU cache hierarchies, SSD endurance, and complex systems failure modes.

On his influential blog danluu.com, he publishes exhaustively researched essays on performance engineering, hiring practices, systems debugging, and organizational dynamics, attracting millions of readers and serving as a staple reference across university curricula and industry engineering teams.