1. Director, Technology and Environment, AT&T, 4430 Rosewood Dr., Ste. 3188, Pleasanton, CA 94930.
2. Business Development Executive, Singapore Computer Systems, Ltd., Blk 10G, Braddell Hill #04-28, Singapore, 579726.
3. Assistant Manager, Business Development, InfoComm Development Authority of Singapore, 7 Siglap Rd., #10-55, Singapore 448909.
4. MAP/Ming Visiting Professor of Energy and Environment, Dept. of Civil and Environmental Engineering, Terman Engineering Center, Room 240, Stanford Univ., Stanford, CA 94305-4020.