Ph.D. Entomology, 1992, University of Massachusetts, Amherst
Dissertation: Dispersal and Diet of Colorado Potato Beetle
M.S. Entomology, 1984, University of California, Berkeley
Thesis: Aphids in California Winter Cauliflower
B.A. Biology, 1979, Williams College, Williamstown, Massachusetts, magna cum laude. Senior thesis: Vegetation of The Dome, a Mountain in Vermont
Research Entomologist, U.S. Department of Agriculture, Agricultural Research Service, Invasive Insect Biocontrol and Behavior Laboratory, Beltsville, Maryland, February 2002 to present.
Principal Agricultural Scientist, originally Agricultural Scientist, Ocean Spray Cranberries Inc., Lakeville, Massachusetts, 1995-2001.
Oberassistant (Assistant Professor, non-tenure track), Institute of Plant Sciences / Applied Entomology, Swiss Federal Institute of Technology, Zürich, 1993-1995.
Research Assistant, Department of Entomology, University of Massachusetts, Amherst, 1988-1992.
Sweet Corn Integrated Pest Management Specialist, University of Massachusetts. 1986-1988.
Research Technologist, USDA Appalachian Fruit Research Station, Kearneysville, WV, 1984-1986.
Cauliflower IPM Project Leader, East Bay Regional Parks District, California, 1983‑1984.
Biological Control Research Assistant, Division of Biological Control, UC Berkeley, 1981-1983.