Peter Fan Chen
Staff Data Scientist @Square
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WORK HISTORY
Staff Data Scientist @Square
Toronto, ON, CA
Led 40+ product experiments across activation, checkout, and retention, informing product roadmap and growth strategy- Diagnosed complex product metrics through cohort, funnel, and segmentation analysis, uncovering drivers of seller activation and retention- Defined north-star metrics and product measurement frameworks adopted across multiple product teams- Built a scalable causal inference platform for feature impact estimation, enabling teams to evaluate product changes and prioritize growth opportunities- Developed an LLM-powered interface enabling stakeholders to self-serve causal insights and accelerate product impact analysis.
EDUCATION
Dalian University of Technology
Bachelor's degree, Chemical Engineering
University of Toronto
Master of Engineering - MEng, Chem. Engineering (Specialized in Machine Learning and Analytics )
ABOUT PETER FAN CHEN
Staff Data Scientist focused on experimentation, causal inference, and AI-enabled decision systems.I work at the intersection of data, product, and engineering — diagnosing product metrics, uncovering growth opportunities, and translating ambiguous problems into scalable solutions.My work includes building experimentation frameworks, causal inference systems, and ML/LLM-powered analytics tools that help teams measure product impact and make better decisions at scale.Previously at Block (formerly Square) across growth, checkout, POS, activation, and retention.Former technical co-founder, building products from 0→1 and scaling prototypes into production systems.
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