Bachelor of Science with honors, University Sains Malaysia, Penang, 1982. Doctor of Philosophy, University Arizona, 1989.
Research scientist department radiology University California, San Francisco, 1989-1990. Teaching fellow department physics National University Singapore, Singapore, 1990-1995, research scientist Center Remote Imaging, Sensing and Processing, since 1995, head research Center Remote Imaging, Sensing and Processing, since 1998. Principal investigator Earth Observation-1 science team National Aeronautics and Space Administration, since 2000, European Space Agency, since 2000.
Member Institute of Electrical and Electronics Engineers, Institute Physics Singapore.
Married Peh Yean Cheah. Children: Kaiyang, Kaiyi.