Dr. Lichtman is Professor of Pathology at the Brigham and Women’s Hospital and Harvard Medical School, where he has been a staff anatomic pathologist and a principal investigator for over 35 years. His research has been in the fields of immunology and vascular biology. He is an expert on T cell biology, including trafficking, activation, and regulation by checkpoint inhibitors, and the role of T cell mediated immune responses in cardiovascular disease.