He is the 2013 European Le Mans Series GT champion, having previously won the British Porsche Cup championship in 1996 and 1997. He has class victories in both the 24 Hours of Daytona and the 12 Hours of Sebring, and has earned podiums at virtually all of the world's major sports car races, including the Le Mans 24 hours and the 1000 km Nürburgring. He has also achieved overall podium finishes at the Daytona 24 hours as well as at Petit Le Mans.