Dr. Lee obtained his B.A. from Amherst College and received his medical degree from Columbia University College of Physicians and Surgeons. He did his training in Internal Medicine at the Presbyterian Hospital, New York City (Columbia-Presbyterian Medical Center) and served as Chief Resident on the Internal Medicine service. He was Honorary Registrar and Research Fellow to Dr. Roger Williams at the Liver Unit, Kings College Hospital, London from 1973-74. He has been on the faculty of Columbia University College of Physicians and Surgeons, and the Medical University of South Carolina before coming to UT Southwestern in 1990.