George Q. Daley, MD, PhD is Dean, Caroline Shields Walker Professor of Medicine, and Professor of Biological Chemistry and Molecular Pharmacology at Harvard Medical School. His research has focused on stem cell and cancer biology, with an emphasis on hematopoietic development and diseases of the bone marrow, blood and immune system. Daley earned his AB and MD degrees from Harvard and a PhD in biology from MIT. He has been a trainee, fellow and staff physician at the Massachusetts General Hospital, Brigham and Women’s Hospital, Dana Farber Cancer Institute and Boston Children’s Hospital. Prior to becoming Dean at HMS, he was an investigator of the Howard Hughes Medical Institute and Director of the Pediatric Stem Cell Transplantation Program of the Dana Farber Cancer Institute and Boston Children’s Hospital. He is an elected member of the National Academy of Medicine and the American Association of Arts and Sciences.