His previous clubs were Kyoto Purple Sanga and Yokohama FC in Japan, Busan I'cons, Suwon Samsung Bluewings, Seongnam Ilhwa Chunma and Chunnam Dragons in South Korea.
He was also registered as a Home United player in the S.League when their player registration period opens in June 2010.
In September 2010 he joined Persela Lamongan before left in early January 2011.
An played for the South Korea national team at 2001 FIFA Confederations Cup in South Korea and Japan.
He also played for South Korea at the 1997 FIFA U-17 World Championship in China.