Simon N. Powell MD, PhD, FRCP

Powell is chair of the Department of Radiation Oncology at Memorial Sloan-Kettering Cancer Center with a joint appointment in Sloan-Kettering Institute's Molecular Biology Program. He also holds the Enid A. Haupt Chair in Radiation Oncology at the Center. Before joining Sloan-Kettering in June 2008, Powell was head of the Department of Radiation Oncology at Washington University School of Medicine in St. Louis. Previously he was with Harvard Medical School and Massachusetts General Hospital. He was clinical director of the Gillette Center for Women's Cancers, co-leader of the Harvard Breast Cancer Research Program, and leader of the DNA Repair/Radiation Biology Program.