1. Graduate Research Assistant, Dept. of Civil, Construction, and Environmental Engineering, Michigan State Univ., East Lansing, MI.
2. Associate Professor, Dept. of Civil and Environmental Engineering, Michigan State Univ., East Lansing, MI.
3. Graduate Research Assistant, Dept. of Civil and Environmental Engineering, UNC Charlotte, Charlotte, NC.
4. Professor, Dept. of Civil and Environmental Engineering, UNC Charlotte, Charlotte, NC.