Secretory mechanism of gastric acid, Pathogenesis of peptic
ulceration, Secretory mechanism of exocrine pancreas,
Pathogenesis of pancreatitis, Clinical trial of drug

1977~ Instructor, Assistant Professor,
Associate Professor, and Professor, Department of
Pharmacology, Yonsei University College of Medicine,
Seoul, Korea

1978~1979 Research Associate, University of
Newcastle upon Tyne, U.K.
1979~1980 Visiting Instructor, Brown University,
U.S.A.
1987~1996 Chairman, Department of Pharmacology,
Yonsei University College of Medicine
1988~1989 Honorary Visiting Professor, University
of Manchester, U.K.
1991~1993 Vice President, Korean Society of
Pharmacology
1993~1994 President, Korean Society of Pharmacology
1994~ National Delegate to International Union
of Pharmacology(IUPHAR)
1966~2000 Chairman, Department of Clinical
Pharmacology, Severance Hospital, Yonsei University
1997~1999 Director, Yonsei Medical Technology and
Evaluation Center
1997~2000 Director, Board of Basic
Medical Science, Korean Academy of Medical Science
1996~ Director, Brain Korea 21 Project for
Medical Science, Yonsei University

1995 Prize for Scientific Achievement, Korean Society
of Gastroenterology
1997 Euidang Prize for Scientific Achievement, Korean
Medical Association
1997 Howol Prize for Scientific Achievement, Korean
Society of Pharmacology