1. Visiting Assistant Professor, Dept. of Civil Engineering, Univ. of Texas Rio Grande Valley, Edinburg, TX.
2. Hurst-McCarthy Professor of Construction Engineering and Management, Professor of Civil Engineering, and Founding Director of the Missouri Consortium of Construction Innovation, Dept. of Civil, Architectural, and Environmental Engineering and Dept. of Engineering Management and Systems Engineering, Missouri Univ. of Science and Technology, Rolla, MO.