He joined MBC in 2006, and became one of the network's most popular news anchors and TV show hosts.
A member of the reporters' union, Oh was an outspoken critic of MBC's management, which he claimed compromised journalistic independence by keeping close ties with the Lee Myung-bak government.
[2] When Oh took part in the broadcasters' strike of 2012, MBC removed him from all its news and entertainment programs for the rest of that year, and he resigned from the network in 2013.
[4][5] He also began acting, with roles in the television dramas My Love from the Star, Sweden Laundry and The Family Is Coming.
[7] In April 2019, Oh left YG Entertainment and signed with new agency IOK Company.