1. Graduate Research Assistant, Dept. of Civil and Environmental Engineering, Univ. of Illinois at Urbana-Champaign, Urbana, IL.
2. Staff Engineer, Langan Engineering, Environmental, Surveying, Landscape Architecture, and Geology D.P.C., New York, NY.
3. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Illinois at Urbana-Champaign, Urbana, IL.