Chan School of Public Health. His research focuses on designing and evaluating simulation models that have the potential to improve cardiovascular disease policies in developed and developing countries, including optimizing the use of medical imaging in the prevention and treatment of ischemic stroke in the United States and evaluating the role of cholesterol in primary cardiovascular disease screening for the U.S. and South Africa. He holds an MPH from Yale University and a PhD from Harvard. He teaches in the Harvard T.H. Chan School of Public Health decision science curriculum and was one of three recipients of the “Teaching Citation Award” in 2017.