•Attending Surgeon, Comprehensive Breast Center
•Attending Surgeon, National Taiwan University Hospital
•Professor Emeritus, National Taiwan University Hospital
•Adjunct Professor, College of Medicine, National Taiwan University
•President, Taiwan Breast Cancer Foundation (TBCF)
•Attending Surgeon, Far Eastern Polyclinic of Far Eastern Medical Foundation
•Memorial Sloan-Kettering Cancer Center, N.Y. (U.S.A.), Research Fellow
•National Taiwan University, Graduate Institute of Clinical Medicine, M.D. Ph.D.
•National Taiwan University School of Medicine, M.D.
1. Taiwan Adventist Hospital (2016-2018), Consultant Doctor
2. Chung-Kang Branch, Cheng Ching Hospital (2010-2015), Superintendent
3. Taoyuan General Hospital, Ministry of Health and Welfare (2002-2004) , Superintendent
4. Collage of Medicine, National Taiwan University Hospital (1996-2002),
Department of Surgery, Chairman
5. National Taiwan University Hospital (1993-1996) , Collage of Medicine, Department of Surgery, Vice Chairman
6. National Taiwan University Hospital (1991-), Collage of Medicine, Professor of Surgery Department