He graduated from Dartmouth College and Case Western Reserve University Medical School. He trained in General Surgery and Radiology at University Hospitals of Cleveland, also serving as Chief Resident in Radiology, and then in Abdominal Imaging and Interventional Radiology at the Massachusetts General Hospital. In 1992 he joined the MGH faculty. In 1996, he received a Master’s Degree in Public Health, and in 1999, a PhD in Health Policy, both from Harvard University.