Di Z.

Di Z. is a Principal Economist at Amazon since May 2015, contributing to organizational strategies in causal modeling and enhancing the science community through initiatives and mentorship. Previous roles at Amazon include Senior Economist, where responsibilities included product management and advanced impact measurement, Economist II, focused on Prime Video marketing insights, and Economist I, developing machine learning solutions for content demand and subscriber retention. Earlier experience includes a position as Scientific Engineering Associate at Berkeley Lab, studying energy efficiency standards, and as a Postdoctoral Employee at the Energy & Biosciences Institute, analyzing biofuel policy impacts. Di Z. holds a Ph.D. from the University of California, Berkeley, a Master of Science in Mathematical Economics from Wuhan University, and a double major in Economics and Mathematics from the same institution.