1. Senior Engineer, Dept. of Public Works, City of Chesapeake, Chesapeake, VA.
2. Research Program Manager on Integrated Water and Stormwater, Water Research Foundation, Alexandria, VA.
3. Senior Research Scientist, NCCHE, Univ. of Mississippi, University, MS.
4. Assistant Professor, Arizona State Univ., Tempe, AZ.
5. Research Group Leader, Berkeley National Laboratory, Berkeley, CA.