Freelance
Registered Tour Escort
Freelance
Mystery Shopper
Stanley Ho Centre for Emerging Infectious Diseases, The Chinese University of Ho
Research Assistant
advertising company
Project Director
Freelance
Freelance Writer
Hong Kong Communication Art Centre
Tutor
Morning Star Travel Service Ltd.
Tour Escort
Community Mutual Aid Committee
Chairman
The Hong Kong Federation of Trade Unions
Executive Coordinating Secretary
Community College, The University of Hong Kong
Middlesex University
The Hong Kong Polytechnic University