1977-1979 University of Alabama Ph.D., Biochemistry
1975-1977 University of Alabama M.S., Biochemistry
1969-1973 Seoul National University B.S., Biology
2014-present Member, National Academy of Sciences, Republic of Korea
1999-present Member, Korean Academy of Science & Technology
1999-2002 Director, Institute for Molecular Biology and Genetics
2016-present, Professor Emeritus, Seoul National University
1983-2016, Professor, Seoul National University
1979-1983 Research Associate, Harvard Medical School