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

President, National Yang-Ming University (2010-2017.11)
Vice President (Acting President, January 1 to June 30, 2006), National Health Research Institutes, Taiwan, R.O.C. (2003.07- 2006.08)
Professor, Department of Biostatistics, Bloomberg School of Public Health, The Johns Hopkins University (1982-2010)
Graduate Program Director, Department of Biostatistics, School of Hygiene and Public Health, The Johns Hopkins University (1996-2003)