2011 ~ 2012 Director General for Planning and Coordination
2010 ~ 2011Head of Human Resources Division
2007 ~ 2010Head of International Coordination Division, Head of Creative Invention Education Division, Administrative Patent Judge
2002 ~ 2007Planning and Finance Office, Administrative Management Office, First Secretary of the Embassy of the Republic of Korea in the U.S., Head of Intellectual Property Education Division, Head of International Coordination Division