Steven Yeun, born Yeun Sang-yeop, is a South Korean born American actor. Born in Seoul to June and Je Yeun, his family first immigrated to Canada, staying for one year before moving to the U.S. He has a brother named Brian. Yeun began acting while at Kalamazoo College in Kalamazoo, Michigan, where he majored in Psychology (BS in Psychology, 2005). When he realized his love for acting, he went to study theatre in college instead of medical school. He was a member of Stir Friday Night, a sketch-comedy group made up of Asian-American performers, and the Second City comedy troupe in Chicago.
He is famous for portraying Glenn Rhee on the horror-drama TV series "The Walking Dead" and Sebastian on the series "The Big Bang Theory." Besides television, Yeun appeared in several movies and short films, such as "My Name Is Jerry," "Blowout Sale," "Mayhem," and "Okja," to name a few. Apart from this, the talented actor has made numerous commercials for high-end brands and companies like Apple, Milky Way, and Best Buy. Yeun has also done cartoon and video game voiceovers. Despite his popularity, Yeun is a down-to-earth personality in real life living in Los Angles.