Jessica Zhou
- Role
- Staff Data Scientist at Meta
- Location
- Menlo Park, CA, US
- LinkedIn followers
- 500 followers
About Jessica Zhou
Data Scientist with a demonstrated history of working in the insurance industry…
Experience
Staff Data Scientist
Jan 2026 — Present · NY, US
Lead cross-functional data science for Meta Recommendation System (MRS), driving measurement, evaluation, and strategy across Ads and Organic ranking systems serving billions of users on Facebook, Instagram, and Threads- Graph-based recommendation: Led DS understanding for a graph neural network framework powering ad retrieval through user-ad-content relationship embeddings - LLM-based evaluation: Leverage LLM-powered framework for evaluating embedding quality at scale, replacing manual evaluation workflows- Cross-domain model strategy: Provided the analytical foundation for unifying Ads and Organic foundation models — quantifying ROI tradeoffs, risk scenarios, and launch paths for leadership decision-making- Experimentation productivity: Led analysis of offline-to-online (O2O) conversion efficiency across Meta\'s ML experiment pipeline, identifying surface-specific bottlenecks and recommending interventions to accelerate model shipping velocity.
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