A quarterfinalist in Beijing, Gentry qualified for his London appearance by winning gold at the FILA Pan American Olympic qualifier in Kissimmee, Florida.
Gentry came off a 2011 season that saw him capture a national title in his weight class and win bronze at the Pan American Games in Guadalajara. Overall, Gentry has won three national titles (2006, 2007, 2011) and two Pan American Games bronze medals (2007, 2011).
A former NCAA standout wrestler for Stanford University, Gentry was crowned the 157 lbs NCAA champion after going 42-0 during the 2004 season. He won 64 straight bouts between 2003 and 2005.