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Jian S. is an experienced data science professional with a robust background in analytics and modeling, currently serving as a Data Science Manager at Meta, focused on ads and monetization experimentation since June 2021. Prior to this role, Jian held positions including Staff Research Data Scientist at Meta, where contributions included implementing data science methods for privacy infrastructure, and Data Science Specialist at Wells Fargo, managing underwriting and fraud monitoring models. Additional experience includes roles as Data Science Manager at Freddie Mac, where Jian concentrated on credit loss modeling for a significant mortgage portfolio, and Manager of Economic and Financial Consulting at Navigant, focusing on fair lending programs. Jian's career began at JPMorgan Chase as a Core Modeling Associate. Academic credentials feature a Ph.D. in Economics from The Ohio State University and a dual degree in Mathematics and Economics from Renmin University of China.