PROFESSIONAL SERVICES
Editor and Reviewer
- Editor: Construction and Building Materials (2014 to date)
- Editorial Board Member: Cement and Concrete Composites (2017 to date)
- Associate Editor: Waste Management, an international journal (2015 – 2017)
- Associate Editor: Journal of Sustainable Cement-based Materials (2012 to 2017)
- Editorial Board Member: Construction Materials, Proceedings of ICE (2008 to 2014)
- Guest Editor: Special Issue, Construction and Building Materials 2012
- Associate Editor: Waste Management, an international journal (2003 – 2008)
- Guest Editor: Chemosphere, Special Issue, Vol. 44, Issue 1, 2001
- Guest Editor: Applied Geochemistry, Special Issue, Vol. 16, Numbers 11-12, 2001
- Reviewer: Various international journals in concrete and environmental technologies
Professional and Community Services
- Hong Kong Institution of Engineers (HKIE) Environmental Discipline, Panel Chair and Discipline Representative, 2012- 2015, Panel Member (2009 – date)
- Hong Kong Green Building Council, Green Building Faculty, and Panel Chair of Materials Aspects of BEAM PLUS Assessment (2010 – 2017)
- Hong King Institution of Engineers (HKIE) Environmental Discipline, Professional Assessor, 2002 to date.
- HKIE, Environmental Division Committee Member (Chairman, 2003 – 04), (1997 – 2005)
- American Concrete Institute, President of ACI China Chapter (2005)
- Hong Kong Concrete Institute, Executive Committee Members (President 2014 – 18), (2009 – date)
- Hong Kong Waste Management Association, Committee Member (Chairman, 2001 – 02), (1993 – 2005)
- Hong Kong Accreditation Services, Technical Expert, (2012 – 2015)
- Member, Advisory Council on the Environment HKSAR Govt, (2003 to 2008)
- Member, Council for Sustainable Development, HKSAR Govt. (2009 – 2015)
- Member, Advisory Committee on Recycling Fund, HKSAR Govt, (2015 – date)
- Justice of Peace (2013 – )