Biostatistics, Genomical Statistics, Bioinformatics, Clinical Trials, Forensic Science

1990~1991 Assistant Professor, School of Statistics, University of Minnesota-Twin Cities, USA
1991~1994 Assistant Professor, Department of Preventive Medicine, University of Southern California, USA
1994~Present Assistant / Associate / Full Professor, Department of Statistics, Korea University
1996~2000 Associate Editor, The Korean Communications in Statistics
1996~2000 Adjunct Professor, Rural Development Administration
2002~Present Member, Institutional Review Board, Korea University Hospital, Kyung-Hee University Hospital
2003~2005 Director, Institute of Statistics, Korea University
2004~Present Associate Editor, Computational Stat. & Data Analysis
2006~Present Associate Editor, Jour. of the Korean Statistical Society
2007~Present Director, The Korean Society of Health Information and Health Statistics
2007~2009 President, Korean Region of International Biometric Society
2008~Present Associate Dean, School of Political Science and Economics, Korea University
2010~Present Member, Central Pharmaceutical Affairs Council, Korean Food and Drug Administration

1993 Best Junior Faculty Award, American Cancer Society
2007, 2010 Seoktop Lecture Award, Korea University
2009 Gallup Korea Award, The Korean Statistical Society