1. Postdoctoral Associate, College of Engineering, Dept. of Civil Engineering, Univ. of Texas at Arlington, Arlington, TX.
2. Graduate Student, College of Engineering, Dept. of Civil Engineering, Univ. of Texas at Arlington, Arlington, TX.
3. Infrastructure Systems Engineering, Texas Dept. of Transportation, DFW Metroplex, TX.
4. Professor, School of Building Construction and School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA.
5. Associate Professor and Associate Chair, College of Engineering, Dept. of Civil Engineering, Univ. of Texas at Arlington, Arlington, TX.