1. Deputy Head (Academic), Dept. of Civil Engineering, National Univ. of Singapore, BLK E/A #07-03, 1 Engineering Dr. 2, 119260 Singapore.
2. Research Fellow, Dept. of Civil Engineering, National Univ. of Singapore, BLK E/A #07-03, 1 Engineering Dr. 2, 119260 Singapore.
3. Emeritus Professor, Dept. of Civil Engineering, National Univ. of Singapore, BLK E/A #07-03, 1 Engineering Dr. 2, 119260 Singapore.