Catherine J. Wu, MD, is professor of medicine and chief, Division of Stem Cell Transplantation and Cellular Therapies at the Dana-Farber Cancer Institute (DFCI), Boston. A member of the National Academy of Medicine and the Association of American Physicians, she oversees an integrated program at DFCI of research and clinical activities that focuses on dissecting the basis of effective anti-tumor immunity. Her laboratory has implemented genomics-based approaches for target antigen discovery and for understanding the basis of therapeutic response and resistance.