John Kellett MD qualified from Trinity College Dublin in 1970 and completed his internship at the Mountainside Hospital, Montclair, New Jersey, USA. He then worked for a year as a general practitioner in a small Newfoundland out-port before completing a residency in internal medicine at Dalhousie University, Nova Scotia. In 1976 he moved to Winnipeg where he completed a four-year research fellowship. He returned to Ireland in 1980 as consultant physician to Nenagh Hospital, County Tipperary, Ireland. He is a fellow of the Royal College of Physicians in Ireland, Canada and London, the European Federation of Internal Medicine and the American College of Physicians. His main areas of research interests are medical decision making, acute medical care, prognostication, and prediction models. He has over 200 peer reviewed publications. He is currently actively involved a quality improvement project at Kitovu Hospital, Masaka, Uganda, and in several collaborative research projects with European colleagues on early warning scores and intelligent systems.