President or Chairman of International Research Organizations in Sport/Exercise Science
- Executive Committee, International Sport and Culture Association
- Chairperson, International Sport and Culture Association- Asia
- Vice-Chairman, Physical Fitness Association of Hong Kong, China
- Chairman, Executive Committee, Physical Fitness Association of Hong Kong, China
- Vice-President, Hong Kong Wushu Union
- Vice Chairman (2006-present), Hong Kong Recreation Management Association, Hong Kong
- President, Hong Kong Association of Sports Medicine and Sports Science, affiliated to the International Federation of Sports Medicine (FIMS), 2016-2020