1. Engineer, Lawrie and Associates, LLC, 6202 Old Franconia Road, Alexandria, VA 22310; Formerly, Graduate Student, Dept. of Civil and Environmental Engineering, Univ. of Delaware, Newark, DE 19716.
2. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Delaware, Newark, DE 19716.
3. Professor Dept. of Civil and Environmental Engineering, Univ. of Delaware, Newark, DE 19716; Formerly, Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Delaware, Newark, DE 19716.