Professional Memberships / Affiliations
Member, Institute of Surveyors/Spatial Science Institute, Australia (since 1992);
Fellow of Hong Kong Institute of Engineering Surveyors (HKIES).
Fellow, Hong Kong Institute of Engineering Surveyors (since 1998);
Fellow, Institute of Civil Engineering Surveyors, U.K. (since 2009);
Fellow, Royal Institute of Chartered Surveyors (since 2011);
Vice President, Engineering Surveying Society, Chinese Society for Geodesy, Photo-grammetry and Cartography (since 2008);
Fellow, International Association of Geodesy.