Gregory R. Ciottone (born 1965) is an American physician specializing in Disaster Medicine and Counter-Terrorism Medicine. He is an Associate Professor of Emergency Medicine at Harvard Medical School and the founding director of the BIDMC Fellowship in Disaster Medicine, the first of its kind in a Harvard teaching hospital. As well, he holds the position of Director for Medical Preparedness at the National Preparedness Leadership Initiative, a joint program of the Harvard T.H.Chan School of Public Health and the Center for Public Leadership at the Harvard John F. Kennedy School of Government. He also serves as a consultant to the White House Medical Unit for the Obama and Trump administrations. In 2019 he was elected President of the World Association for Disaster and Emergency Medicine. (WADEM).
Born in Washington, D.C., Greg Ciottone attended St. Mark's School in Massachusetts for secondary school and went on to earn his BA in Biology and Chemistry in 1987 at Colby College, where he graduated Phi Bet Kappa. He then received his MD degree from the University of Massachusetts Medical School (UMMS) in 1991, receiving the Society of Academic Emergency Medicine Award for Excellence in Emergency Medicine. He completed his residency in Emergency Medicine at UMMS in 1994 and was selected as Chief Resident. He continued on at that institution, being appointed Instructor of Medicine in 1994, and later Assistant Professor of Emergency Medicine at UMMS, where he also served as Director of the Institute for Disaster and Emergency Medicine, and then Director of the Division of International Disaster and Emergency Medicine. In 1995 Dr. Ciottone was selected to lead the Washington DC-based American International Health Alliance (AIHA) Emergency Medicine Task Force for the former Soviet Union. He served as Co-Director of the EMS/Disaster Medicine Fellowship program at UMMS, and in 1998 was appointed a Disaster Medicine Fellowship Director for the International Atomic Energy Agency in Geneva Switzerland. In 1999 he was selected as Director of the University of Massachusetts-Minsk Belarus Medical Partnership program by AIHA.
In January 2001 Dr. Ciottone was appointed Director of the Division of International Disaster and Emergency Medicine in the Department of Emergency Medicine at Beth Israel Deaconess Medical Center. He went on to become the Chairman of the International Emergency Medicine Section, Division of Emergency Medicine at Harvard Medical School from 2002-2007, and was named Chairman of the Disaster Medicine Section at HMS in 2007. Also in 2007, he founded the BIDMC Fellowship in Disaster Medicine. He rose to the level of Associate Professor of Emergency Medicine at Harvard Medical School in 2014.