• Myelofibrosis 

Jerry L. Spivak, MD, MACP, is an Emeritus Professor Medicine at the Johns Hopkins University School of Medicine and a member of the part-time staff at the Johns Hopkins Hospital. Dr. Spivak is a graduate of Cornell University Medical College and received training in internal medicine, hematology and oncology at the Johns Hopkins Hospital, New York Hospital and the National Cancer Institute. Board-certified in Internal Medicine and Hematology, Dr. Spivak is a former Director of the Hematology Division at Johns Hopkins, and for 20 years has been Director of the Johns Hopkins Center for the Chronic Myeloproliferative Disorders (now known as the myeloproliferative neoplasms). He is an author of 273 clinical and scientific publications, a former member of the Howard Hughes Medical Institute, and the recipient of a Research Career Development Award and a Merit Award from the National Institutes of Health. Dr. Spivak’s research and clinical interests involve the pathogenesis, diagnosis and management of the myeloproliferative neoplasms, polycythemia vera, primary myelofibrosis, essential thrombocytosis, and, in particular, hematopoietic stem cell behavior in these disorders.