Dr. Negrin received his M.D. from Harvard University, and trained in medicine and hematology at Stanford University, where he joined the faculty in 1990. He received his undergraduate degree from the University of California at Berkele.Robert S. Negrin, M.D. is a professor of medicine and Division Chief of Blood and Marrow Transplantation at Stanford University. His research work focuses on cellular immunology; in particular, developing a more fundamental understanding of complex biological reactions, such as graft versus host (GVHD) and graft versus tumor (GFT) reactions within the clinic and in animal models.