Mark Poznansky, MD, PhD, is an associate professor of medicine at Harvard Medical School, an attending physician in infectious diseases medicine at the Massachusetts General Hospital (MGH), and Director of the Vaccine and Immunotherapy Center at MGH. He holds a doctoral degree Cambridge University and a medical degree from University of Edinburgh. His clinical subspecialization includes the treatment of infection in immune-compromised patients. br> The Poznansky laboratory works at the interface between scientific discovery and medical product development, discovering novel immune processes, defining their molecular mechanisms and exploring their relevance to the development of vaccines and immunotherapies for cancer, infectious diseases and type I diabetes. Their work is funded by the National Institutes of Health, Juvenile Diabetes Research Foundation, The Marsha Rivkin Center and other private foundations.