J. Bradley Chen
J. Bradley Chen is a veteran technologist, investor, and software engineer with deep expertise in Information Integrity, Safe and Trustworthy Online Systems, and Computer Systems Integrity. His career spans significant roles in both industry and academia, focusing on building large-scale, high-performance, and secure computer systems.
Most recently, Dr. Chen served as a Software Engineer at Meta (2024–2026), focusing on Privacy and Developer Productivity. Prior to this, he spent over a decade at Google, where he held Principal Engineer and Director roles across critical areas of safety and integrity. From 2020 to March 2024, he was a Principal Engineer for Google Privacy, Safety and Security, serving as the area technical lead and technical individual contributor (IC) for a 600-person counterabuse engineering organization. In this role, he oversaw the architecture for new prevention initiatives supporting Google’s largest online services and engaged in public safety advocacy.
Earlier at Google, Dr. Chen founded and led the YouTube prevention engineering team as Principal Engineer / Director of YouTube Systems Integrity (2018–2020). He also managed the YouTube Revenue Data team (2014–2018), rebuilding its systems, supporting contract negotiations with music labels, and building revenue data support for YouTube’s first subscription models. A foundational achievement was his work on the Google Chrome team (2009–2013), where he initiated and managed the groundbreaking Native Client project, which set a new standard for compute performance inside the browser and influenced subsequent technologies like WebAssembly and ChromeOS.
Before Google, Dr. Chen served as Co-Director and Senior Architect at Intel’s Performance Tools Lab (2003–2006), where he managed a 90-person global software products organization and defined the new “Spreckles” architecture for the Intel ® VTune ™ Performance Analyzer. He also served as the Chief Technology Officer at Appliant Inc. (1998–2002) and began his career as an Assistant Professor of Computer Science at Harvard University (1994–1998).
Dr. Chen holds a Ph.D. in Computer Science from Carnegie Mellon University (1994) and MS and BS degrees from Stanford University (1987). He has been awarded 14 U.S. Patents and has authored over twenty papers on system performance and security, including multiple award-winning papers. Chen returned to Stanford University as Lecturer in Winter 2025, teaching a course on Information Integrity .
