1. Graduate Research Assistant, Dept. of Civil and Environmental Engineering, Univ. of Wisconsin–Milwaukee, Milwaukee, WI.
2. Postdoc Researcher, Dept. of Civil and Environmental Engineering, Univ. of Wisconsin–Milwaukee, Milwaukee, WI.
3. Professor, Dept. of Civil and Environmental Engineering, Univ. of Wisconsin–Milwaukee, Milwaukee, WI.
4. Associate Professor, Dept. of Civil and Environmental Engineering, Temple Univ., Philadelphia, PA.
5. Adjunct Professor, Dept. of Civil and Environmental Engineering, Univ. of Wisconsin–Milwaukee, Milwaukee, WI.