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                            Co-opted member, Working Group on Facilitation and Promotion of the Information Infrastructure Advisory Committee of HKSAR (1999-2000) | 
                          
                           
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                            Advisor, ICT Services Advisory Committee of Hong Kong Trade Development Council (2003/2006) | 
                          
                           
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                             Member, Academic Committee of Post-graduate Diploma in Information Technology (stream) of SPACE of Hong Kong University (2003-2004) | 
                          
                           
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                             Councilor, Hong Kong Computer Society (1993-1994) | 
                          
                           
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                             Member, Board of Governors and Council of Lingnan College (1990-1992) | 
                          
                           
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                             Chairman, Executive Committee of National Day Celebration of Hong Kong IT Sector (1999-2002) | 
                          
                           
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                             Member, Tianjin Municipal Committee of the Chinese People's Political Consultative Conference | 
                          
                          
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                            Advisor of Guangzhou Association of Science and Technology, China |