Dr. Leonard is the Richard T. Silver Distinguished Professor of Hematology and Medical Oncology and Associate Dean for Clinical Research at Weill Cornell Medicine. He is Vice Chairman for Clinical Research of the Weill Department of Medicine and Associate Director of Clinical Trials in the Sandra and Edward Meyer Cancer Center at Weill Cornell Medicine. He is also an Attending Physician and Chief of the Lymphoma Service at NewYork-Presbyterian and Director of the Joint Clinical Trials Office at Weill Cornell Medicine and NewYork-Presbyterian.
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 for Hematology, and he has also been elected to membership in the American Society of Clinical Investigation. He serves on the Board of Trustees for the New York City Chapter of The Leukemia & Lymphoma Society.