(b.1986) Korean 9 dan pro (promoted 2011-12-08, after losing the final of the 39th Myungin.
Reached 8 dan on 2011-03-21.
- Winner of 10th SK Gas Cup in 2006 (beating Lee Yeongkyu 2-0).
- Winner of the 4th BCcard Cup World Baduk Championship in 2012 (beating Dang Yifei 3-1).
- Winner of the 24th Asian TV Cup in 2012 (beating Kong Jie).