He holds an A.B. from Harvard and an M.Phil. from Cambridge, both in the history and philosophy of science, and worked as a consultant to pharmaceutical and global health clients at McKinsey & Co. before returning to Harvard for his M.D. He spent a year as a researcher at the Institute for Health Metrics and Evaluation at the University of Washington, supported by the Bill & Melinda Gates Foundation, and completed his clinical residency in emergency medicine at the Brigham & Women's and Massachusetts General Hospitals. His research investigates population health outcomes as a way to evaluate and improve health care in the United States and abroad.