John P. Leonard MD

John P. Leonard, M.D., is the Richard T. Silver Distinguished Professor of Hematology and Medical Oncology and Associate Dean for Clinical Research at the Weill Cornell Medical College. He is Executive Vice Chairman of the Weill Department of Medicine and Associate Director of the Meyer Cancer Center at Weill Cornell Medical College and New York-Presbyterian Hospital, where he also serves as Attending Physician and Director of the Joint Clinical Trials Office.

An expert in hematology and oncology, Dr. Leonard is Chair of the Lymphoma Committee of the Alliance for Clinical Trials in Oncology (formerly CALGB, ACOSOG, and NCCTG), a multicenter cooperative group and key component of the National Cancer Institute’s National Clinical Trials Network. Dr. Leonard has been an elected member of the American Board of Internal Medicine Hematology subspecialty board, and he has also been elected to membership in the American Society of Clinical Investigation. He has served as Chair of the Scientific Advisory Board and Board Member of the Lymphoma Research Foundation and Board Member of the Leukemia and Lymphoma Society/New York City Chapter.

Dr. Leonard performed his undergraduate work at Johns Hopkins University and received his medical degree at the University of Virginia in Charlottesville, VA. He completed his residency in medicine at the New York Hospital - Cornell Medical Center and Memorial Sloan-Kettering Cancer Center in New York, NY. He completed a fellowship in hematology and oncology at Cornell and served as the chief medical resident at the New York Hospital - Cornell Medical Center.