Mok Jin Seok became a professional Go player in 1994 when he was 14 and reached 9 Dan, the highest level, in 2005.

His nickname derives from the fact that he has unconventional and adventurous style as well as fast reading skill in Go games.

From 2001 to 2005, Mok participated in Chinese Go league as the first foreign player: he got 48 wins and 17 losses.

His highest achievement in international competitions is the runner up at LG Cup World Championship in 2004: the winner was Lee Chang-ho.

He has managed the Korean National Go team as a head coach since 2016 and has held rookie's tournaments called 'Future's Star' for young players since 2015.