- 2010Doctor of Engineering at Inha University Graduate School of Architectural Engineering
- 1996Department of Architectural Engineering, Yonsei Graduate School of Engineering
- 1988Department of Architectural Engineering, Dongguk University College of Engineering
- 2009 ~ President of DA Group Urban Design & Architecture Co., Ltd.
- 1999 ~ 2001Songdo Technopark
- 1997 ~ 2001TCMC Architects Co., Ltd.
- 1988 ~ 1997Hankuk Glass Industries Co., Ltd.
- 2013 ~Adjunct Professor, Department of Urban Architecture at Incheon National University
- 2010 ~ 2013Lecturer, Dongguk University, Incheon National University, Inha University
- 1996Professional Engineer Architectural Execution