Ken Jeong is a Korean-American actor, comedian, and physician. He is best known for his roles as Ben Chang on the critically acclaimed NBC/Yahoo! sitcom Community (2009) and gangster Leslie Chow in The Hangover (2009) Trilogy. He appeared in Michael Bays Pain & Gain (2013), as Johnny Wu, a motivational speaker. Jeong completed his internal medicine residency at Ochsner Medical Center in New Orleans while developing his stand-up comedy. He is a licensed physician in California.