1. Associate Professor, Centre for Soft Ground Engineering, Dept. of Civil Engineering, National Univ. of Singapore, Singapore.
2. Engineer, Geocon Piling and Engineering Pte. Ltd., Singapore.
3. Assistant Professor, Centre for Soft Ground Engineering, Dept. of Civil Engineering, National Univ. of Singapore, Singapore.
4. Professor, Centre for Soft Ground Engineering, Dept. of Civil Engineering, National Univ. of Singapore, Singapore.