As the first scientist to identify and isolate mammalian blood-forming stem cells in mice, Dr. Weissman is considered the father of hematopoiesis. His work has contributed to the understanding of how a single hematopoietic stem cell can give rise to specialized blood cells. Dr. Weissman is also a leading expert in the field of cancer stem cell biology, where his work sheds light on the understanding of the pathogenesis of multiple human malignancies. Moreover, he has led the development of some of the most pioneering approaches for cancer treatment, including anti-CD47 antibodies that can eliminate cancer cells in mouse models.