Dr. Loscalzo is Hersey Professor of the Theory and Practice of Medicine at Harvard Medical School, chairman of the Department of Medicine, and physician-in-chief at Brigham and Women’s Hospital. Dr. Loscalzo received his A.B. degree, summa cum laude, his Ph.D. in biochemistry, and his M.D. from the University of Pennsylvania. His clinical training was completed at Brigham and Women’s Hospital and Harvard Medical School, where he served as Resident and Chief Resident in medicine and Fellow in cardiovascular medicine. Post-training, Dr. Loscalzo joined the Harvard faculty and staff at Brigham and Women’s Hospital in 1984. He rose to the rank of associate professor of Medicine, Chief of Cardiology at the West Roxbury Veterans Administration Medical Center, and director of the Center for Research in Thrombolysis at Brigham and Women’s Hospital. He joined the faculty of Boston University in 1994, first as Chief of Cardiology and, in 1997, Wade Professor and Chair of Medicine, Professor of Biochemistry, and Director of the Whitaker Cardiovascular Institute. He returned to Harvard and Brigham and Women’s Hospital in 2005. He currently serves on the board of directors of Leap Therapeutics, Inc., a publicly held biopharmaceutical company.