His research areas include Architecture History, Typology & Morphology, and Heritage Management. He is the founder of mAAN (modern Asian Architecture Network) and iNTA (International Network of Tropical Architecture). He has been serving as a jury member for UNESCO Asia Pacific Awards for Cultural Heritage Conservation, member of ICOMOS International Scientific Committee and Shared Heritage Committee, founding member and director of ICOMOS National Committee of Singapore, and associate member of the Asian Academy for Heritage Management. He is also a founding member and director of DoCoMoMo Macau, and the co-founder of mASEANa networking platform (modern ASEAN architecture).