At current freelance book designer.

2005 - 2006 chief designer at Book Publishing Company DOLBEGAE.

2003 - 2006 designer for Editing & Design Network 'BOOKHUB'.

2001 - 2002 designer for cultural magazine 'SAEPARAN'.

2000 - 2002 designer at Book Publishing Company MINUMSA.

1999 editor for cultural magazine 'ZZAM'.

B.F.A. in Painting, College of Fine Arts, Seoul National University.