John P. Leonard, MD

John P. Leonard, M.D., is the Chief Clinical Officer for Enterprise Cancer Strategy and Operations at the Laura and Isaac Perlmutter Cancer Center, an NCI-designated Comprehensive Cancer Center, and NYU Langone Health.  He is Director of the Division of Hematology and Medical Oncology and a Professor of Medicine at the NYU Grossman School of Medicine.  He also serves as Director of the Center for Blood Cancers at the Perlmutter Cancer Center and  Senior Advisor to the Dean/CEO at NYU Langone Health. 

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 served as  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 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.  In 2017 he received the Miriam G. Wallach Award for Excellence in Humanistic Medical Care from NewYork-Presbyterian.

Dr. Leonard’s primary research interest is in the development of novel therapeutic strategies for the treatment of lymphoma and related hematologic malignancies, and he has lectured at major international meetings and conducted practice-changing studies on these topics.  Much of his work has involved the development of novel therapies for lymphoma, including monoclonal antibodies, other immune-based treatments, targeted agents and other innovative approaches.  He also has studied prognostic, imaging and survivorship issues for lymphoma patients.    Dr. Leonard performed his undergraduate work at Johns Hopkins University and received his medical degree at the University of Virginia School of Medicine 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. He previously served as Senior Associate Dean, Richard T. Silver Distinguished Professor of Hematology and Medical Oncology, Chair (Interim) of the Department of Medicine at Weill Cornell Medicine and NewYork-Presbyterian Hospital.