accepting new patients

Dr. Zeidner's research interests include discovering innovative methods to improve outcomes, drug discovery and development, and designing clinical trials in acute myeloid leukemia (AML) myelodysplastic syndromes (MDS), and myeloproliferative neoplasms (MPNs). He leads the Leukemia Clinical Trials Research Protocol Office Disease (POD) Group where we have a multitude of cutting-edge clinical trials for acute leukemia, MDS, and MPNs. Dr. Zeidner's the Principal Investigator of industry-sponsored, investigator-initiated, and academic collaborative clinical trials evaluating novel agents in MDS

Katherine Tarlock, M.D., is a board certified physician at Seattle Children’s Hospital and a UW assistant professor of pediatrics. Dr. Tarlock believes the privilege of caring for patients and families during challenging medical diagnoses is what drew her to this field and continues to be the best part of her job. She is dedicated to advancing our understanding of leukemia and being able to offer every child and family the best care. Dr. Tarlock earned her M.D. at Chicago Medical School. She is board certified in both Pediatrics and Pediatric Hematology/Oncology.

Dr. Sujit Sheth is the Chief of the Division of Pediatric Hematology/Oncology and Professor of Clinical Pediatrics at Weill Cornell Medicine and an Attending Pediatrician at NewYork-Presbyterian Phyllis and David Komansky Children's Hospital and Weill Cornell Medical Center. He is also Vice Chair of Clinical Research in the Department of Pediatrics at Weill Cornell Medicine. Dr. Sheth is board-certified in pediatrics and pediatric hematology/oncology, and is an expert in iron metabolism, thalassemia, and sickle cell disease.

Dr. Leguizamo is a member of the American Society of Hematology, the Georgia Society of Clinical Oncology, the American Society of Clinical Oncology, and the International PNH interest group. He is also a Fellow of the American College of Physicians. Dr. Leguizamo speaks Spanish fluently.

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