1982 Biomathematics, Biostatistics, University of Washington, Seattle, Ph.D.
1979 Statistics, University of South Carolina, Columbia, M.S.
1973 Mathematics, National Tsing Hua University, B.A.

2010-2017.11 President, National Yang-Ming University
2003.7-2006.8 Vice President (Acting President, January 1 to June 30, 2006), National Health Research Institutes, Taiwan, R.O.C.
1982-2010 Professor, Department of Biostatistics, Bloomberg School of Public Health, The Johns Hopkins University
1996-2003 Graduate Program Director, Department of Biostatistics, School of Hygiene and Public Health, The Johns Hopkins University