Member, National Committee of the Chinese People's Political Consultative Conference Member, Commission on Strategic Development Member, The Greater Pearl River Delta Business Council Hon. Advisor, "Quality Tourism Services" Association Governing Council Member of the Court, The University of Hong Kong Chairman, Hong Kong Intellectual Property Society Director, Hong Kong Design Centre Hon. Advisor, Hong Kong Designers Association Hon. Patron, Children's Heart Foundation Patron, Lok Chi Society Hon. Advisor, Against Child Abuse

Cable Television Hong Kong Consultant (1994)
Asia Television Ltd. (ATV) Director and Consultant (1991-1993) Director and Chief Executive Officer (1988-1991)
Cable Television Hong Kong Consultant (1986-1988)
Brainchild Production Ltd. Chairman & Chief Executive (1980-1988)
Commercial Television Ltd.(CTV) General Manager (1978)
Television Broadcasts Ltd. (HK-TVB) Assistant General Manager (Broadcasting) (1976-1977) Manager of Programme & Production (1975) Head of Programme Development (1974)

Member, Legislative Council (Geographical Constituency - New Territories West) (2004-2008) Member of the Executive Council (2003-2008) Deputy Chairman, Liberal Party (1999-2008) Member, Central Committee, Liberal Party (1992-2008) Member, Consultative Committee on the Core Arts and Cultural Facilities of the West Kowloon Cultural District and its Performing Arts and Tourism Advisory Group (2006-2007) Member, Aviation Development Advisory Committee (2005-2007) Chairman, "Quality Tourism Services" Committee (2003-2007) Chairman, Hong Kong Tourism Board (2000-2007) Member, Hong Kong Trade Development Council (2000-2007) Member, "Quality Tourism Services" Council (2000-2003) Vice Patron, "Quality Tourism Services" Scheme (2000-2003) Chairman, House Committee, Legislative Council (2000-2003) Board Member, Airport Authority Hong Kong (1999-2005) Member, Film Development Fund Projects Vetting Committee (1999-2004) Board Member, Hong Kong Tourist Association (1999-2000) Member, Film Services Advisory Committee (1998-2004) Member, Legislative Council (Wholesale and Retail Functional Constituency) (1998-2004) Provisional Legislature of the HKSAR (1997-1998) Hon. Advisor, Retail Management Association (1996-2004) Director, Hong Kong Intellectual Property Society (1996-2003) Member, Small and Medium Enterprises Committee (1996-2000) Hon. Advisor, Association of Better Business & Tourism Services (1995-2003) Member, Legislative Council (Wholesale and Retail Functional Constituency) (1995-1997) Chairman, Central Committee, Liberal Party (1992-1995) Appointed Member, Executive Council (1991-1992) Member, Education Commission (1990-1992) Member, Advisory Committee on Corruption, Independent Commission Against Corruption (1986-1988) Member, Hong Kong Housing Authority (1986-1988) Chairman, 1985 International Youth Year Central Co-Ordinating Committee Member, Council of the Hong Kong Academy for the Performing Arts (1984-1988) Chairman, Consumer Council (1984-1988) Council Member, Family Planning Association of Hong Kong (1984-1985) Member, Council for the Performing Arts (1982-1986) District Board Member (Mongkok) (1982-1984) Appointed Member, Legislative Council (1981-1995) Executive Committee Member, Hong Kong Housing Society (1981-1984) Member, Law Reform Commission of Hong Kong (1980-1984) Appointed Member, Urban Council (1980-1984) Member, Central Fight Crime Committee (1976-1981) President, Zonta Club of Hong Kong (1976-1977) Member, Citizens Advisory Committee on Community Relations, Independent Commission Against Corruption (1975)