Roger Winston Yuan (born January 25, 1961) is an American Actor, martial arts fight trainer, action coordinator who trained many actors and actresses in many Hollywood films. As an actor himself, he also appeared in Shanghai Noon (2000) opposite Jackie Chan, Bulletproof Monk (2003) alongside Chow Yun-fat, the technician in Batman Begins (2005), and as the Severine's bodyguard in Skyfall (2012). He is a well-recognized choreographer in Hollywood.