John Guo currently holds the position of Senior Engineering Leadership at Ro, where responsibilities include leading a newly established team focused on a distributed system for Identity, Authentication, and Privacy since May 2025. Previously, John served as Director of Engineering at Meta from November 2020 to May 2025, overseeing the Ads Core Serving Infrastructure team, which is critical to serving billions of ads daily across various locations. Prior to this, John was a Senior Engineering Manager at Meta, managing large teams dedicated to Ads Serving systems. John’s professional background also includes extensive experience at Bloomberg LP, where roles included Senior Engineering Manager and Engineering Manager, leading diverse teams in risk analytics and trading systems. John holds a Master of Science in Computer Science from NYU Polytechnic School of Engineering and an MBA from Baruch College.
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