Summary
Rachael Riley is a senior sustainability and data science leader with over 15 years of experience applying epidemiology, public health, and advanced analytics to environmental and social challenges. She currently leads Sustainability Science as SVP and Director of the Data Clinic at Two Sigma, scaling interdisciplinary teams that translate complex data into actionable insights for climate and health outcomes. Her career spans academic research and applied public health roles—bridging GIS, community health analytics, and policy work—before transitioning to industry data science leadership. Rachael holds a DrPH in Epidemiology and combines deep domain expertise with hands-on data practice, unusual for someone at her executive level. Known for building data clinics that connect technical talent to real-world sustainability problems, she excels at turning messy, policy-relevant questions into robust, deployable solutions.
10 years of coding experience
9 years of employment as a software developer
B.A., Environmental Health, B.A., Environmental Health at Brown University
DrPH, Epidemiology, DrPH, Epidemiology at The Graduate Center, City University of New York
MPH, Urban Public Health, MPH, Urban Public Health at Hunter College