Myeloproliferative Neoplasms (MPN)

Dr. Shaffer is a board certified hematologist specializing in bone marrow transplantation for leukemia, myelodysplastic syndromes, lymphoma, and other bone marrow disorders. He works in a collaborative fashion with other members of our team to provide comprehensive cancer care at Memorial Sloan Kettering Cancer Center. His research focuses on the role of Natural Killer (NK) cells in outcomes after transplantation. NK cells are white blood cells that have anti-tumor and anti-infection properties. His goal is to improve the transplantation process for patients via understanding and optimizing NK

Dr. Hasserjian's clinical work and research focus on myeloid neoplasia. He has served on the Executive Committee of the Society for Hematopathology and on the Education Committee of the United States and Canadian Academy of Pathology. Dr. Hasserjian is a member of the Pathology Advisory Committee for the World Health Organization Classification of Myeloid Neoplasms. Dr. Hasserjian is a dedicated medical educator, and director of the Hematopathology Fellowship at Massachusetts General Hospital.

Dr. Niyongere joined the School of Medicine and Marlene and Stewart Greenebaum Comprehensive Cancer Center as an Assistant Professor in 2018. Her clinical focus is in acute leukemias, myelodysplastic syndromes, myeloproliferative neoplasms and bone marrow failure syndromes. Dr. Niyongere’s primary research interests are in finding new therapeutic targets by understanding oncogenic signaling pathways involved in AML and MDS as well as studying the role of the tumor microenvironment in the development of chemoresistance in leukemia. Dr. Niyongere also serves as an attending physician on the

James R. Cook, M.D., Ph.D., is a Professor of Pathology at the Cleveland Clinic Lerner College of Medicine. He serves as Section Head of Hematopathology in the Department of Laboratory Medicine. Dr. Cook's clinical interests focus on diagnostic hematopathology and molecular diagnostics. His research interests include diagnostic and prognostic markers in non-Hodgkin lymphoma and plasma cell disorders, and molecular diagnosis of leukemia and lymphoma. He participates in numerous multi-institutional research efforts including the Lymphoma and Leukemia Molecular Profiling Project (LLMPP) and the

Dr. Alice S. Mims is the Acute Leukemia Clinical Research Director and Associate Professor in the Division of Hematology at Ohio State University Comprehensive Cancer Center - James. Dr. Mims is a hematologist who specializes in treating patients with acute and chronic myeloid diseases, particularly AML, She earned her medical degree and Masters of Science in Clinical Research (MSCR) from the Medical University of South Carolina. Her research focuses on studying the effectiveness of novel therapeutics on patients with AML and other myeloid neoplasms including MDS. She is currently the lead

David Jacobsohn, MD, ScM is the Division Chief, Blood and Marrow Transplanation at Children's National Hospital in Washington, D.C. Previously, he was at Children’s Memorial Hospital in Chicago, where he served as a member of the Stem Cell Transplant Program staff and as the Director of the Chronic Graft-versus-Host Disease Clinic. He has lectured widely on GvHD/BMT in Europe, Latin America, and the United States. Dr. Jacobsohn obtained a Bachelor of Science from Yale University, his medical degree from Tufts University, and a Masters in Clinical Investigation from Johns Hopkins School of

Ryotaro Nakamura, MD is Professor, Department of Hematology & Hematopoietic Cell Transplantation; Director, Center for Stem Cell Transplantation at City of Hope. Since joining City of Hope in 2002, Ryotaro Nakamura, M.D., has been at the forefront of leading-edge research in stem cell transplantation and development of cancer vaccines. Among his promising projects: A study indicating that bone marrow transplants may be effective in treating systemic mastocytosis, a rare blood disease with no known cure, and the use of vaccines to replace antivirals which can often spawn deadly infections. Dr

A recognized leader in the field of adoptive immunotherapy, Dr. Collins specializes in blood and marrow transplantation and hematologic malignancies such as leukemia, lymphoma, myeloma, Hodgkin’s disease, and myelodysplasia. Dr. Collins earned his medical degree from the University of Missouri-Kansas City School of Medicine. He completed an internal medicine residency at Baylor University Medical Center in Dallas, as well as a fellowship in hematology and oncology at the University of California at Los Angeles. Board-certified in internal medicine and medical oncology, Dr. Collins has 25 years