1. Research Program Manager on Integrated Water and Stormwater, Water Research Foundation, Alexandria, VA.
2. Associate Professor, Watersheds and Water Quality Research Lab, School of Civil and Environmental Engineering, Mississippi State Univ., Mississippi State, MS.
3. Senior Engineer, Dept. of Public Works, City of Chesapeake, Chesapeake, VA.
4. Research Professor, Portland State Univ., Portland, OR.