2018 - present
President, National Research Foundation of Korea
2017 - 2019
Member, Board of Trustees, Seoul National University
2017 - 2018
Chair, Basic Research United
2016 - 2018
Chair, Diversity Council, Seoul National University
2014 - present
Member, Regional Committee for Asia-Pacific, International Science Council
2014 - 2018
Member, Board of Trustees, Institute for Basic Science
2013 - 2016
Member, Board of Trustees, Korea Institute of S&T Evaluation and Planning
2012 - 2014
Member, Policy Advisory Council on the NRF, Korea
2011 - 2013
Member, National Committee on Science and Technology, Korea
2010 - present
Fellow, American Academy of Microbiology, USA
2008 - present
Member, Korean Academy of Science and Technology
2005 - 2008
Member, Board of Trustees, Korea Research Council of Fundamental Science and Technology
2004 - 2006
Dean, Office of Research Affairs, Seoul National University
2000 - present
Professor, School of Biological Sciences, Seoul National University
1986 - 1999
AAssistant / Associate / Full Professor, Dept. of Microbiology, Seoul National University
1984 - 1986
Research Associate, McArdle Laboratory for Cancer Research, UW-Madison, USA