John P. Leonard, MD

John P. Leonard, MD, is the Richard T. Silver Distinguished Professor of Hematology and Medical Oncology and Senior Associate Dean for Innovation and Initiatives at Weill Cornell Medicine. He is chair (interim) of the Weill Department of Medicine and is an attending physician at New York-Presbyterian Hospital.

An expert in hematology and oncology, Dr Leonard’s research has been published in numerous medical journals, and he has served as a member of the editorial boards of Blood and the Journal of Clinical Oncology, leading international journals in these fields. He 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 Subspecialty Board on Hematology, and he has also been elected to membership in the American Society for Clinical Investigation. He serves on the Board of Trustees for the New York City Chapter of the Leukemia & Lymphoma Society. He has been included in Castle Connolly’s Top Doctors: New York Metro Area in New York Magazine numerous times throughout his career.