Director, National Institute of Cancer Research, National Health Research Institutes (2006-2007) Director, Division of Cancer Research, National Health Research Institutes (1996-2005) Professor, Medical College, National Taiwan University (1995-) Research Fellow, Institute of Biomedical Sciences, Academia Sinica (1995-) Professor, National Defense Medical College (1994-) Professor, Institute of Clinical Medicine, National Yang-Ming University (1993-) Director, Cancer Clinical Research Center, Institute of Biomedical Sciences, Academia Sinica (1994-1996) Special Medical Research Chair, National Science Council, Executive Yuan (1993-1995) Medical Director, Public Health Service, Chief, Cytogenetic Oncology Section, Medicine Branch, Clinical Oncology Program, DCT, National Cancer Institute (1976-1993) Medical Officer, Senior Investigator, Chief, Cytogenetic Oncology Section, Medicine Branch, Medical Oncology Area, National Cancer Institute (1973-1975) Medical Officer and Senior Investigator, Human Tumor Cell Biology Branch, Chemotherapy, Clinical Trials, NCI (1968-1973) Visiting Scientist, Medicine Branch, Chemotherapy, Clinical Trials, National Cancer Institute (1963-1968) Associate in Visiting program, Medicine Branch, National Cancer Institute (1961-1963) Fellow in Visiting Program, Medicine Branch, National Cancer Institute (1960-1961) |