• Director, Center of International Affairs
  
  
• Professor, Institute of Microbiology and Immunology
  
  
• Director, AIDS Prevention and Research Center

• M.D. School of Medicine, National Yang-Ming University, Taiwan (1975-1982)
  
  
• M.S. Institute of Microbiology and Immunology, National Yang-Ming University, Taiwan (1982-1984)
  
  
• Sc.D. Department of Cancer Biology, Harvard University, School of Public Health, Boston, U.S.A. (1986-1990)
  
  
• Visiting Scientist, Lab of Molecular Oncology, National Cancer Institute, Maryland, U.S.A. (1990/7-1992/1)
  
  
• Visiting Scientist, HIV-1 Drug Resistance Program, National Cancer Institute, Maryland, U.S.A. (2002/10-2003/2) Professional Appointments
  
  
• 1998- Professor Institute of Public Health National Yang-Ming University, Taiwan
  
  
• 1992-98 Associate Prof. Institute of Public Health National Yang-Ming University, Taiwan
  
  
• 1994-97 Chairman Institute of Public Health School of Medicine National Yang-Ming University, Taiwan
  
  
• 1998-2000 Professor Institute of Microbiology and Immunology (Joint appointment) School of Life Sciences National Yang-Ming University, Taiwan
  
  
• 1992-94 Asso. Res. Member Institute of Biomedical Sciences (Joint appointment) Academia Sinica, Taiwan
  
  
• 1990-92 Visiting Scientist Lab of Molecular Oncology National Cancer Institute-Frederick National Institutes of Health MD, U.S.A.
  
  
• 1988-90 Research Associate Harvard AIDS Institute U.S.A.
  
  
• 1987-88 Research Fellow Department of Cancer Biology Harvard School of Public Health U.S.A.
  
  
• 1984-86 Aviation Doctor Air-force General Hospital (Military services), Taiwan
  
  
• 1986 Lecturer Department of Microbiology National Yang-Ming Medical College, Taiwan
  
  
• 1982-84 Teaching Assistant Department of Microbiology & Immunology National Yang-Ming Med College, Taiwan
  
  
• 1981-82 Intern Taipei Veterans' General Hospital Taiwan

CONSULTANT

• 2001-2002 Member, ad hoc committee, Community-based Clinical Study Program of the Asia and Pacific, American Foundation on AIDS Research (amfAR).
  
  
• 1998-2003 Council of Representative, Asia Pacific AIDS Services Organization (APCASO)
  
  
• 2002-2003 Committee member, TREAT Asia (Therapeutics Research, education and AIDS training in Asia )
  
  
• 2001-2003 UN Regional Task Force on HIV/AIDS Care and support in Asia
  
  
• 2002-2003 Vice chairman, Global Chinese AIDS Network (GCAN)
  
  
• 1992-2003 AIDS Advisory Committee, Department of Health (DOH), Executive Yuan, R.O.C.
  
  
• 2003-2004 Chairman, Public Health Education Committee, Ministry of Education
  
  
• 1996-1997 Health Promotion Committee, Department of Health, Executive Yuan, R.O.C.
  
  
• 1997-2003 General Public Medical Welfare Promotion Association, the Legislature Yuan, R.O.C.
  
  
• 2001-2003 AIDS Education Advisory Committee, Ministry of Health , Taiwan , ROC
  
  
• 2002-2003 Advisory committee of the Bureau of the Health Promotion, DOH, Executive Yuan, R.O.C.
  
  
• 1995-1999 National Institute of Preventive Medicine , Taiwan , R.O.C.
  
  
• 1996-2003 Advisory Board on Health Issues, Consumer Foundation, R.O.C.

• Scholarship from the Ministry of Education, Taiwan, R.O.C., 1986-89.
  
  
• Scholarship from the Fogarty International Center, National Institutes of Health, Program of International Training Grants 1989-92.
  
  
• Education and Culture Award, Significant Contribution to the Scientific Education for the Public, from the Ministry of Education, Taiwan , 1993.
  
  
• Research award, from the National Science Council, Taiwan, 1993, 1994, 1995, 1997, 1999 and 2000.
  
  
• Secretary General, the First, Second and Third Taipei International AIDS Conferences, 1990, 1992 and 1994.
  
  
• Candidate for the International Prince Mahidol Award from Thailand, nominated by the Department of Health, Executive Yuan, R.O.C., 1994.
  
  
• Young Investigator Award, The First Joint Annual Conference of the Society of Oncology, Taiwan, 1996.
  
  
• Who's Who in the World, 2001, 18 th edition.
  
  
• Who's Who in Medicine and Healthcare, 2004-2005, 5 th edition. 

• United States Patent: Detection and Correction of Abnormalities of Cells having Decreased Levels of Glycine N-methyltransferase. Patent number: 5,994,093 (Duration: Nov. 30, 1999-Nov. 30, 2019).
  
  
• ROC Patent: 對甘胺酸Ｎ－甲基轉移酵素低水平之細胞異常情形進行偵測及矯正 Patent number: 086114505 (Duration: Oct. 4, 1997-Oct. 4, 2017).  

• Founder and Coordinator, Living with Hope Organization
  
  
• President, Taiwan Society of Preventive Medicine, 1998-2001, 2001-2004.
  
  
• Secretary General, Chinese Society of Preventive Medicine, 1992-98.
  
  
• Member, Society of Chinese Bioscientists in America , since 1992.
  
  
• Member, Chinese Society of Microbiology, since 1982 (Board member, 2002-2004).
  
  
• Member, Chinese Society of Immunology, since 1982.
  
  
• Member, Chinese Association of AIDS Prevention, since 1992.
  
  
• Member, International Society of Human Retrovirology, 1993.
  
  
• Member, International AIDS Society, since 1993.
  
  
• Member, American Society of Microbiology, 1994.
  
  
• Member, American Asso. for the Advancement of Science, since 1994.
  
  
• Member, Asian Pacific Society of Bioscientists, since 1994.
  
  
• Member, Chinese Medical Association, since 1997.
  
  
• Board Member, PWA's Right's Advocacy Association, since 1997.
  
  
• Member, Chinese Society of Cell and Molecular Biology, since 1998.
  
  
• Member, Chinese Society of Sex Education, since 1998.
  
  
• Board Member, Taiwan Love and Hope Organization, since 1999.
  
  
• Member, Cell and Molecular Biology of ROC, since 1999.
  
  
• Member, United Way, Taiwan, since 1999.
  
  
• Member, American Society of Human Genetics, since 2001.