1. Assistant Professor of Research, Dept. of Civil Engineering, Univ. of Texas at Arlington, Arlington, TX.
2. Associate Vice Chancellor and Associate Dean of Research, Penn State Univ., Middletown, PA.
3. Professor, Dept. of Industrial, Manufacturing, and Systems Engineering, Univ. of Texas at Arlington, Arlington, TX.
4. Executive Director, Auxiliary Services, Univ. of Texas at Arlington, Arlington, TX.