• 2023 to 2028
    Member, 14th National Committee of Chinese People’s Political Consultative Conference

  • 2022 to 2025
    Member, 7th Legislative Council of the HKSAR
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  • 2017 to 2021
    Member, 13th Chinese People’s Political Consultative Conference Guangzhou Committee (第十三屆廣州市政協委員).

  • 01 Sep 2016 to 31 Aug 2018
    Member, Board of Advisors, Radio Television Hong Kong (RTHK)

  • 15 Mar 2016 to 14 Mar 2018
    Member, The Hong Kong Society for the Aged (SAGE) Advisory Committee on ICT Development

  • 01 Jan 2016 to 31 Dec 2017
    External Advisor, Higher Diploma and Diploma programmes, Hong Kong College of Technology

  • 01 Apr 2015 to 31 Mar 2017
    Member, Airport Technology Advisory Council of the Hong Kong International Airport (HIA)

  • 15 Mar 2014 to 14 Mar 2016
    Member, Advisory Committee on ICT Development, The Hong Kong Society for the Aged (SAGE)

  • 1 Feb 2014 to 1 Jan 2017
    Member, Advisory Peer Group, Lee Shau Kee School of Business and Administration, The Open University of Hong Kong

  • 01 Jan 2014 to 31 Dec 2016
    Member, 2014-2016 Radio Television Hong Kong (RTHK) Programme Advisory Panel

  • 1 Jan 2014 to Jun 2016
    Member, Programme Advisory Committee, Internet Learning Support Programme (ILSP), Boys’ and Girls’ Club Association (GGCA), HKSAR

  • 1 Nov 2012 to 30 Apr 2014
    Chair, Organization Committee, Hong Kong Information and Communication Technology Awards (HKICTA), HKSAR

  • 1 May 2012 to 30 Apr 2014
    Member, Programme Advisory Panel, Radio and Television of Hong Kong (RTHK), HKSAR

  • 2 Apr 2012 to 1 Apr 2013
    Chairman, 63rd HK IT Sector National Day Celebration Organization Committee, 2012

  • 12 Dec 2011 to 2016
    Elected member, Election Committee Subsector Elections (IT Subsector) 2011, HKSAR

  • 1 Nov 2011 to 30 Apr 2012
    Chair, Organization Committee, Hong Kong Information and Communication Technology Awards (HKICTA), HKSAR

  • Jul 2008 to Jun 2010
    Member of the ICT Advisory Committee, HK Trade and Development Council (HKTDC)

  • Since 2008
    Chairman, ICT Advisory Committee, Scout Association of Hong Kong.

  • Since 2008
    Elected Member of Scout Council of Hong Kong and its Executive Committee

  • 1 Dec 2008
    Advisor to the Professional Committee, Youth Network

  • Sep 2007 to Oct 2009
    Advisor, Hong Kong Institute of Utility Specialists (HKIUS)

  • Sep 2007 to Oct 2009
    Advisor, Hong Kong Utility Research Centre (HKURC)

  • 14 Dec 2007
    Forum Chair, 3rd HK Technology Forum, HKCEC, organized by HK IT Joint Council (over 300 participants)

  • Nov 2007 - Present
    Member, Advisory Committee, Hong Kong Information Technology Industry Council (HKITIC), since November 2007.

  • Oct 2007 to Sep 2009
    By Election, Board Member, HK Internet Registration Corporation Ltd and HK Domain Name registration Co. Ltd.

  • 2008 - 2013
    Chairman, HK IT Joint Council. (by election)

  • Jan 2007 to Dec 2008, 2009 - 2012
    Appointed by the Secretary for Commerce, Industry and Technology as a member of the Assessment Panel for the Small Entrepreneur Research Assistance Programme (SERAP) under the Innovation and Technology Fund (ITF) for 2 years from Jan 1, 2007 to Dec 31, 2008.

  • Sep 2006
    Group Leader, HK IT Sector National Day Celebration Beijing Visit Delegation.

  • Jul 2006 to Jun 2008
    Member of the ICT Advisory Committee, HK Trade and Development Council (HKTDC)

  • Jul 2006 to Jun 2007
    Member of the ICT Advisory Committee, HK Scout Association.

  • Jan 2006 to Dec 2008
    President of the Chinese and Oriental Languages Computer Society (COLCS), USA

  • Sep 2004
    Founding Chairman, Bridging Chinese Digital Divide Charity Foundation

  • Jan 2004 to Dec 2005
    Honorary Advisor, Information and Software Industry Association (ISIA), HK

  • 18 Sep 2003
    Chaiman of the HK IT Sector 54th National Day Celebration Gala Dinner, 18/9/03, Inter-continental Hotel, HK. (over 700 participants from HK and Mainland IT industries)

  • 17 Sep 2003
    Program Chair of 1st HK Technology Forum, 17/9/03, HKCEC, organized by HK IT Joint Council (over 300 participants)

  • 2002 - 2003:
    Vice Chairman, Hong Kong I.T. Joint Council

  • Jan 2001 - Jun 2001
    Member of the Project Assurance Team of the Government System Architecture (GSA) Review Project, HKSAR Government

  • 2000 - 2003
    Member of the Governing Board of Chinese Language Computer Society (CLCS), USA

  • Jul 1997 – Jun 2003
    Member of the Membership Activities Board (MAB), ACM responsible for the China membership program

  • Jun 1996 - Jun 1999
    Vice chairman of ACM Special Interest Group in Applied Computing (SIGAPP)

  • Oct 1995 - Sep 1996
    Chairman of the Association for Computing Machinery Hong Kong Chapter (ACM-HK)

  • Oct 1995 - Sep 1996
    Regional director of the ACM Asian Pacific Regional Programming Contest

  • Jul 1995 - Jun 1996
    Member of the Local Activities Board of the Association for Computing Machinery (U.S.A.)

  • Jan 1995 - Dec 1995
    Chairman of the Association for Computing Machinery Hong Kong Chapter