Central neuropharmacology, molecular pharmacology.

1974~1978 Yonsei University College of Medicine Pharmacology Assistant Professor
1981~1992 Yonsei University College of Medicine Pharmacology Assistant Professor, Associate Professor
1983~1985 USA, Baylor College of Medicine Pharmacology Researcher, Instructor
1990~1991 Yonsei University College of Medicine Manager of Department of Student
1992~1994 Yonsei University College of Medicine Manager of Department of Education
1992~ Yonsei University College of Medicine Pharmacology Professor
1993~ Korean Association of Basic Medical Scientists Permanent director.
1995~1996 USA, UW School of Medicine Visiting Professor
1996~2004 Yonsei University College of Medicine Pharmacology Head Professor
1999~2000 Yonsei University College of Medicine Research Committee Chairperson
2000~2002 The Korean Society of Pharmacology Chairman
2000~2003 Korean Academy of Medical Sciences Executive Director
2000~2003 Korean Medical Association Executive Director
2004~ National Academy of Medicine of Korea Regular member, Audit Director
2006~2010 Yonsei Medical Center Director of International Cooperation

2003 Yonsei University College of Medicine, Professor of the Year Award