He studied medicine at Selwyn College, University of Cambridge, where he was a member of the Hermes Club, and the Middlesex Hospital University of London and read his Master of Science in Sports Medicine at Queen Mary College, University of London.
He next attended the Winter Olympics in 1992 and 1994 as the doctor for the British Bobsleigh Team. He was Chief Medical Officer to the British team for the 1998, 2002 and 2006 Winter games, and led the Team Great Britain Headquarters medical team at the 1996, 2000, 2004 and 2008 Summer Olympic Games. He was Chairman of the British Olympic Association Medical Committee, and Director of Medical Services at the British Olympic Medical Institute.
He was appointed as CMO to the 2012 games in February 2007.
He was appointed Medical and Scientific Director of the International Olympic Committee in April 2012, to commence in the following October.
