KEN SIR
- Guinness World Record holder
- Over ten years rope skipping coaching experiences
- Coach of Hong Kong Delegation Rope Skipping team
- Coach of Macau Delegation Rope Skipping team
- Coach of the first Asian men's team who were won the world champion
- Obtain Excellent Coach Award of Hong Kong Rope Skipping Association, China
- Member of Hong Kong Delegation Selection and Training Organizing Committee
- Member of Competition and Development Committee of “Jump Rope For Heart” Organization
- Advanced rope skipping coach certificate holder
- Advanced rope skipping judge certificate holder
- Judge of Asian Rope Skipping Competition
- Guest of the China, Germany and Korea rope skipping workshops