John L. Marshall, M.D.

Dr. Marshall is Associate Professor, Departments of Medicine and Oncology at Georgetown University Medical Center, Director of Developmental Therapeutics and Gastrointestinal Oncology at Georgetown University Medical Center, Associate Director of Clinical Research at Lombardi Cancer Center and Associate Director for Extramural Research in the Clinical Research Management Office, Georgetown University Medical Center, in Washington, D.C. Dr. Marshall received a B.S. in Psychology from Duke University in 1982 and received his M.D. from the University of Louisville, School of Medicine, in 1988.