Jay S. Loeffler, MD
Jay Loeffler, M.D. is a world renowned authority on the use of proton therapy for benign, vascular and malignant brain
tumours. He is currently the Herman and Joan Suit Professor of Radiation Oncology at Harvard Medical School
and Chair of the Department of Radiation Oncology at the Massachusetts General Hospital, Boston. He trained in
radiation oncology at the Harvard Joint Center and has been a faculty member at Harvard Medical School for 27
Dr. Loeffler is a Member of the Institute of Medicine of the National Academies of Science. He has spent his career investigating focal radiation delivery systems for tumours of the central nervous system.