Aaron Hess, MD, PhD, is Assistant Professor of Transplant Anesthesiology and Transfusion Medicine in the Departments of Anesthesiology and Pathology & Laboratory Medicine at the University of Wisconsin-Madison. A practicing liver transplant anesthesiologist and blood banker, Dr. Hess also researches novel transfusion triggers and the epidemiology of massive bleeding. He is a member of the AABB Clinical Transfusion Medicine Committee and the Red Cross Medical Advisory Committee.