1. Postdoctoral Research Associate, Center for Underground Infrastructure Research and Education, Dept. of Civil Engineering, Univ. of Texas at Arlington, Arlington, TX.
2. Ph.D. Student and Advisory Engineer, Coatings and Linings, Framatome, Lynchburg, VA.
3. Manager, Innovative Solutions, Framatome, Lynchburg, VA.
4. Ph.D. Student, Center for Underground Infrastructure Research and Education, Dept. of Civil Engineering, Univ. of Texas at Arlington, Arlington, TX.
5. Professor and Director, Center for Underground Infrastructure Research and Education, Dept. of Civil Engineering, Univ. of Texas at Arlington, Arlington, TX.