1. Member, ASCE
2. Fellow, ASCE
3. Sr. Struct. Engr., Sembawang Marine and Offshore Engrg., 60 Admiralty Rd. West, #01-02, Singapore 759947.
4. Assoc. Prof., Dept. of Civ. Engrg., Nat. Univ. of Singapore, 10 Kent Ridge Crescent, Singapore 119260.
5. Prof., Dept. of Civ. Engrg., Nat. Univ. of Singapore, 10 Kent Ridge Crescent, Singapore 119260.