Professional employment

2016 – present Research Professor and Professor Emeritus
2009 – 2012 Director of Tufts Graduate Program in Water: Systems, Science and Society
2009 – 2012 Director of Water Area, Tufts Institute of the Environment
1984 – 2016 Professor of Civil and Environmental Engineering, Tufts University
Sept. ’94 – Jan. ’95 Visiting Associate Professor, Division of Applied Environmental Science, Harvard University
Sept. ’91 – Aug. ’92 Visiting Fellow, Department of Civil and Agricultural Engineering, University of Melbourne, Australia
1981-1984 Graduate Research and Teaching Assistant, Cornell University
1980-1981 Department Head, Hydrology, Dufresne-Henry Inc., No. Springfield, VT. Project responsibilities included hydropower feasibility analysis, reservoir safe yield studies, floodplain delineations, stormwater control structure design, soil erosion control plans, pond design, dam safety analysis, and ice jam research.
1979-1980 Hydrologist, Dufresne-Henry Inc., Responsible for hydrologic and hydraulic analysis for floodplain delineations.