DOB: September 6, 1986
Career Highlights: Grimm will be a targeted man at the Games as he heads to London as the defending gold medalist in the K-1 slalom event. Grimm topped the competition in Beijing in his first Olympic appearance and seems poised to repeat after the best men's run at the Olympic test event in July 2011. He has won gold at the worlds in 2007, 2010 and 2011.
Olympic History: 2008