As of August 2008, he is living in Sydney, Australia, and teaching on KGS as "younggil". He is a collaborator on Go Game Guru.
- Born on 05.01.1980. Seoul, Korea
- 1-dan in 1997
- 1998: Won the 'Prize of Victory of the Year' for winning eighteen games in a row.
- 2001: On the 3rd place in the 35th Wangwi cup, and the 3rd place in the 1st Korean Rookies' Victories.
- 2002: On the 3rd place in the 12th Korean B.C Card Cup.
- 2003: Represented Korea in the 8th LG World Go Championship and took the 4th place in the 7th Korean Fresh Best 10.
- In that year shared the 3rd place in the 13th Korean B.C Card Cup.
- 2004: Won 2nd place in the 8th Korean Fresh Best 10 tournament after losing to Park Cheongsang, 4-dan (9-dan now) with 1-2 score in the final match.
- 2008: On the semifinal in the 5th Electric Land Cup(middle age's division ),
- 2009: Became 8 dan.
- Living in Sydney, Australia since August 2008
His thrice monthly lectures at the Sydney Go Club is now being shown on YouTube? at the https://www.youtube.com/channel/UC3T46oTxgbIPaOJpOK9BQ6g