He earned roles on Теорія великого вибуху (2007) (as Sebastian), in Jerry (2009) (as Chaz) and in different commercials for Best Buy, Apple, and Milky Way. He was a member of Stir Friday Night, a sketch-comedy group made up of Asian-American performers, and was also a member of the Second City comedy troupe in Chicago. When he realized his love for acting he went to study theatre in college instead of med school.
He began acting while at Kalamazoo College in Kalamazoo, MI, where he studied Psychology as a major (BS in Psychology, 2005). His family first immigrated to Canada and stayed there for one year, and then moved to the U.S.
Steven Yeun was born in Seoul, South Korea, to June and Je Yeun.
