Thymocyte development and regulation of T-mediated immune
response. Functianal analysis and pathogenetic mechanism of
the malignant lymphoma - related genes. The molecular basis
for the generation of Hodgkin and Reed-Sternberg cells in
Hodgkin's disease. Clinical application of leukemic cell
specific antibody JL1. Analysis of functional role of CD99
in neuronal cell differentiation

1983~ Professor, Department of Pathology College of
Medicine Seoul National University
1985~1987 Dana-Farber Cancer Center Researcher
1990~ Council, Korean Society of Pathologists
1998~ Director of planning committee, Korean Society
of Medical
Genetics
1999~2001 A member of support & planning committee for
International
Vaccine Institute
2000~2000 Vice president, Korean Association of
Immunobiologists
2000~2001 President, Korean Association of
Immunobiologists
2000~ Chairman,Department of Pathology College of
Medicine Seoul National University
2000~ Chairman,Department of Pathology Seoul National
University Hospital
2002~ Chairman,Department of Immunology College of
Medicine Seoul National University

1976 Pfizer Medical Research Award
1999 Emal von Behring Award
2001 The National Academy of scences Award