Present Appointment:

Senior Visiting Fellow,
Tropical Marine Science Institute (TMSI), National University of Singapore (NUS).

Professional Experience:

2000-2005, Visiting Senior Fellow, Nanyang Technological University, National Institiute of Education, Singapore.
1971-2000, Lecturer/Associate Professor, University of Malaya.
1996, Visiting Professor University of Brunei Darul Salam 1996.

Professional Activities:

Member National Remote Sensing Committee (1975-1977).
Member Coastal Resource Group UNEP Project on Socio-economic impacts and policy responses resulting from climatic changes: Southeast Asia.
Member National Study TeamUNEP II Project of above.
Member of Intergovernmental Panel on Climate Change (IPCC) Working Group III.
Member National Technical Commmitee IGBP/START.
EIA review panel: macro EIA of Perlis, Selangor; detailed EIA of Tg. Tongkah, Selangor.