Catherine Zhou

Catherine Zhou

Catherine Zhou

Data Science Manager at Twitter


Cat Zhou is Head of Data Science for New Products at Twitter. She leads a team of data scientists working on applications of causal inference and experimentation. Cat has over 10+ years of industry experience at both startups and Fortune 500 companies. She is passionate about opinionated data science and building inclusive teams. (


Building Causal Measurement


This talk will cover causal measurement and online experimentation. We’ll discuss the role of controlled experiments (both standard A/B tests and universal holdouts) in business decision-making, practical tradeoffs in implementation, and lessons learned building causal measurement.