Yi Zhang is a statistical analyst at CHIBE and the Leonard Davis Institute of Health Economics. She has master degrees in economics from both Humboldt University of Berlin and Northeastern University, including 3-year PhD course work in economics. Before she came to UPenn, she previously worked as a statistical data analyst at Educational Testing Service in Princeton, NJ. Yi grew up in southern China, then her family moved to Boston, which she now considers her home. In her spare time, she loves to travel and dance.