Feifei Fang is an accomplished technology professional with extensive experience in engineering management and software development. Currently serving as a Machine Learning Engineering Leader at Meta since 2025, Feifei focuses on Business Messaging Ads Ranking. Prior roles include Senior Engineering Manager at eBay, Engineering Manager at Twitter overseeing Ads Measurement Engineering teams, and Tech Lead at Facebook, where Feifei contributed to customer-facing features in Ads Signal and worked on core Ads Infrastructure. Earlier experience at Bloomberg LP involved developing a high-frequency trading platform as a Software Engineer. Feifei holds a Bachelor of Science in Network Engineering from Nanjing University of Posts and Telecommunications and a Master of Engineering in Electrical and Computer Engineering from Cornell University.
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