How much is the property of the Running Man Yoo Jae-seok? Who is Yoo Jae-seok? Yoo Jae-suk is a well-known comedian in South Korea and has long been an MC in the entertainment program. In particular, SBS's Running Man is a program that Yoo Jae-suk has been an MC for 22 years since 2010. He is currently working on several entertainment programs except for Running Man. Yoo Jae-suk was born in Seoul on August 14, 1972, and his current company is Antenna. ..