|1974 - 1975||Teaching Assistant, Department of Mathematics, National Tsing Hua University.|
|1982 - 1984||Research Fellow, Biostatistics Division, St. Jude Children's Research Hospital, Memphis, Tennessee, U.S.A.|
|1984 - 1993||Associate Research Fellow, Institute of Statistical Science, Academia Sinica.|
|1984 - 1985||Adjunct Associate Professor, Institute of Applied Mathematics, National Tsing Hua University.|
|1985 - 1993||Associate Professor (Joint Appointment), Graduate Institute of Public Health, College of Medicine, National Taiwan University.|
|1987 - 1988||Visiting Scientist, Department of Biostatistics, Harvard School of Public Health, U.S.A.|
|1988 - 1997||Chairman, Statistics Committee (1988-1990), Group Statistician (1990-1992); Study Statistician (1991-1997), Taiwan Cooperative Oncology Group.|
|1992 - 1993||Visiting Scholar, Department of Statistics, Stanford University, U.S.A.|
|1993 - 2017||Research Fellow, Institute of Statistical Science, Academia Sinica.|
|1994 - 2010||Professor (Joint Appointment), Graduate Institute of Epidemiology, College of Public Health, National Taiwan University.|
|1999 - 2002||Director, Institute of Statistical Science, Academia Sinica.|
|2010 - 2017||Professor (Joint Appointment), Graduate Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University.|
|2012 - 2013||Acting Director, Institute of Statistical Science, Academia Sinica.|
Event history analysis with cure or non-susceptibility;
Statistical methods in epidemiology, translation medicine and health care;
Disease screening and medical diagnosis;
Cardiometabolic diseases research;
Willingness to pay in the dichotomous choice contingent valuation;
Health research data management.
Excellent Research Achievement Awards, National Science Council, R.O.C., 1991 - 1994.
Elected Member, International Statistical Institute, 1995.
Honorary Award, Chinese Statistical Association, 1995.
Wen-Bao Chang Lecture, the South Statistical Conference, 2006.
Special Outstanding Talent Awards, Ministry of Science and Technology, 2013, 2015.