1. Member, ASCE
2. Asst. Prof., Dept. of Civ. Engrg., Univ. of Mississippi, University, MS 38677.
3. Assoc. Prof. in Civ. and Resour. Engrg., Univ. of Auckland, Auckland, New Zealand.
4. Sr. Lect. in Civ. and Struct. Engrg., Nanyang Technol. Univ., Singapore 2263.