China Medical University Hospital, Division of Rheumatology, Consulting and Attending Physician
China Medical University, School of Medicine, Professor
Federation of Immunological Societies of Asia-Oceania, Vice President
Chung Shan Medical University, President
Taiwan Rheumatology Association, President
International Union of Immunology Society (IUIS), Members of Clinical Immunology Committee
Federation of Immunological Societies of Asia-Oceania, Secretary General
Chung Shan Medical University, Department of Medicine and Institute of Immunology, Professor
Chung Shan Medical University, Department of Internal Medicine, Chairman
Chung Shan Medical University, Institute of Immunology, Professor and director
Taiwan Immunology Society, ROC, President
Chung Shan Medical University, Dean, student affairs
Chung Shan Medical University, School of Medicine, Professor and Dean
Chung Shan Medical University, School of Medicine, Associate professor
Scripps Clinic and research Foundation, Fellow
Chung Shan Medical University, School of Medicine, Assistant professor
Royal North Shore Hospital Sydney, Australia. Fellow
Chung Shan Medical University, Department of Medicine, Resident and chief resident
Military service in air force