Langyi Tian
Senior Data Scientist @American Family Insurance
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WORK HISTORY
Senior Data Scientist @American Family Insurance
Boston, MA, US
Developed homeowner’s rating GLMs, contributing to a projected 12% reduction in loss ratio • Improved model lift chart approaches, resolving key discrepancies (10%) between modeling and business metrics• Led a time-sensitive loss analysis that informed a leadership decision to contract with a new data vendor• Designed a new modeling–pricing integration workflow, reducing handoff time by two months• Designed a unified XGBoost territory modeling framework, integrating property and auto territory rating process
EDUCATION
Columbia University
Master of Arts - MA, Quantitative Methods in the Social Sciences (Data science focus)
CUHK Business School
Bachelor of Business Administration - BBA, Global Business Studies and Finance
ABOUT LANGYI TIAN
Senior Data Scientist with 6 years of experience developing predictive models and decision systems in insurance and financial services. My main work focuses on predictive modeling for pricing, underwriting, and risk analytics, combining cloud computing and machine learning to support business decisions.I enjoy translating complex modeling results into practical insights for cross-functional stakeholders.I also publish social science papers and play drums!
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