Dr. John Leonard (New York-Presbyterian/Weill Cornell Medicine, New York, NY) is a hematologist, medical oncologist and professor at the NewYork-Presbyterian Hospital and Weill Cornell Center for Lymphoma and Myeloma. He specializes in research and treatment of hematologic malignancy, leukemia, Hodgkin’s disease, lymphoma and multiple myeloma. A published author in numerous medical journals and lecturer at major international meetings, Dr. Leonard is internationally recognized for his level of care for patients. He has served as the director of multiple boards, including clinical director of the New York Cornell Center for Lymphoma and Myeloma.