Doctor of Philosophy, Australian National University, Canberra, 2007.
Researcher Sustainable Tourism Cooperative Research Centre, Canberra, 2005—2006. Research professor Korea University, Yeongi-Gun, Republic of Korea, since 2008. Research advisor Chungbuk National University, Chungju, since 2007.
Sergeant Navy, 1993-1995, Incheon.
National campaign manager Earth Charter Korea, Seoul, 1999—2001. Member of Korea Environmental Economics Association.
Life partner Y. Sue Minister.