1. P.E., Associate Member, ASCE
2. P.E., Member, ASCE
3. P.E., Fellow, ASCE
4. Asst. Prof., Dept. of Civ. Engrg., Southern Illinois Univ. Edwardsville, Edwardsville, IL 62026-1800.
5. Asst. Prof., Dept. of Constr., Southern Illinois Univ. Edwardsville, Edwardsville, IL 62026-1803.