1. Assistant Professor, Stock Development Dept. of Construction Management, Florida Gulf Coast Univ., Fort Myers, FL.
2. Graduate Research Assistant, Dept. of Nuclear Engineering, North Carolina State Univ., Raleigh, NC.
3. Graduate Research Assistant, Dept. of Civil, Construction, and Environmental Engineering, North Carolina State Univ., Raleigh, NC.
4. Assisntant Professor, Dept. of Civil Engineering, King Saud Univ., Riyadh, Saudi Arabia.
5. Associate Professor, Dept. of Civil, Construction, and Environmental Engineering, North Carolina State Univ., Raleigh, NC.