2004- Research Review Board Member Korea Research Foundation
2003-2004 Fulbright Lecturer/Researcher Stanford University
2003-2008 Associate Professor Hankuk University of Foreign Studies
1999-2003 Assistant Professor Hankuk University of Foreign Studies
1997-1999 Lecturer Hankuk University of Foreign Studies
1996-1996 Assistant Instructor The University of Texas at Austin
1994-1995 Assistant Instructor The University of Texas at Austin
1988 Broadcasting Script Writer KBS-IOC Olympic Broadcasting Service
1986-1990 English Instructor (Situation Presenter) Korean Broadcasting System, KBS English (KBS-1) / Live Action English (KBS-3)
1985-1991 Consular Specialist U.S. Embassy, Seoul.
