1. Associate Professor, School of Civil & Environmental Engineering, Nanyang Technological Univ., Blk N1, 1A-29 Nanyang Ave., Singapore 639798.
2. Executive Geotechnical Engineer, SPECS Consultants Pte. Ltd., #08-00 PSA Building, Alexandra Rd., Singapore 119963.
3. Professor and Dean of Admission, Office of Dean of Admission, Nanyang Technological Univ., Admin. Building #05-10, Singapore 639798.