Effie Wang Petersdorf, M.D. is Member, Clinical Research Division, Fred Hutchinson Cancer Research Center; Professor, Division of Oncology and Department of Medicine, University of Washington School of Medicine, and Attending Physician, Seattle Cancer Care Alliance. She earned her A.B in 1978 from Harvard University, and M.D. in 1982 from McGill University in Montreal. She completed her residency in internal medicine and fellowship in oncology at the University of Washington before joining the Fred Hutchinson Cancer Research Center in 1987. For almost three decades, Dr. Petersdorf has devoted her research to the immunogenetics of the HLA system in transplantation. Dr. Petersdorf combines her year-round laboratory research with two months of attending on the stem cell transplant clinical services at the Seattle Cancer Care Alliance. President Bill Clinton awarded her the Presidential Early Career Award for Scientists and Engineers in 1999. Dr. Petersdorf is the 2016 recipient of the Ceppellini award from the European Federation for Immunogenetics. She is past President of the American Society for Blood and Marrow Transplantation and the World Marrow Donor Association.