2007-2012
Ewha Womans University (Seoul, Korea)

2002
Sangmyung University in postgraduate school (Seoul, Korea)

2000-2008
Dongduk Women's University (Seoul, Korea)

1990-1993
Konkuk University, Donduk Women's University, Sangmyung University,
Chonbuk Sanup University(Howon University) and Shingu College in Korea