Lee won gold in the bantamweight division at the 1990 Asian Taekwondo Championships in Taipei.
[1] In October 1992, she won the bantamweight division at the World University Taekwondo Championships in Guadalajara.
[2] She won gold in the featherweight division at the World Taekwondo Championships in 1993 in New York City[3][4][5][6] and 1995 in Manila.
[3][7] She won gold in the featherweight division at the 1996 Asian Taekwondo Championships in Melbourne.
[8] Lee was a member of the South Korean national taekwondo team for eight years.