Honorary Director/Super Advisor, Head of Center for Dermatology, Cosmetic Dermatology and Plastic Surgery, Japanese Red Cross Society Takatsuki Hospital, Japan
Emeritus Professor Dermatology, Wakayama Medical University, Japan
School of Chinese Medicne at Hong Kong Baptist University, Vice Chairperson of Special Committee of Immunology of TCM of World Federation of Chinese Medicine Societies, Council Member of Hong Kong Society for Immunology, China