Principal Investigator-Center for Environmental Studies, 1999-2000. Develop methods and monitor effects of Kissemmii River Restoration Project on Phytoplankton and Periphyton Community Composition and Productivity. Riverwoods Field Laboratory, Lorida, FL.

Director-Environmental Research Division, 1998. Host-Conference on Wild RiceEcology and Management (EPA), Chemical, Physical and Biological (phytoplankton, periphyton, aquatic inverts, Monitoring (EPA), Mining Impact Assessment (EPA), Water Resource Mgmt. (BIA), Technical Assistance for Environmental Services Division, and External Research Mgmt.. Sokaogon Chippewa Community, Environmental Dept., Crandon WI.

Aquatic Biologist, 1997-1998. Program Director-biomonitoring watershed using GIS, plankton, periphyton and aquatic invertebrates, and supervising toxicity tests on zooplankton and fish. Program Director-wild rice ecology and enhancement, Program Director- aquatic noxious weed management. Sokaogon Chippewa Community, Environmental Dept., Crandon WI.

Principal Investigator, 1993-1998. The impact of zebra mussels on the benthic food web in Saginaw Bay, Lake Huron. Bowling Green State University.

Expert Witness, 1996-1999 for residents of Pioneer Lake, OH concerning alleged damages to the lake benthos. Law offices of Robinson, McCready and James. Toledo, OH.

Consultant, 1994-1995. Water quality survey of Cedarville Bay, Hessel Bay and Voight Bay. Aqua-Terra Labs, Indian River, MI.

Research Assistant, 1991-1993. Algal and zebra mussel interactions. Bowling Green State University.

Research Assistant, 1985-1986. The effects of copper sulfate treatments on plankton. Grey Freshwater Biological Institute, Navarre, MN.

Hatchery Attendant, 1983-1984. Maintenance and feeding of cold-water hatchery. French River, MN.

Field Technician, 1983-1984. Paleological investigation of recent lake acidification. University of Minnesota, Duluth.

Field Assistant, 1983. Aquatic plant census-Wild rice survey. Voyageurs National Park, MN.

Lab Animal Technician, 1982-1983. Fathead minnow fishery maintenance. University of Minnesota, St. Paul.

Lab Assistant, 1982. Algal culture maintenance. University of Minnesota, St. Paul.

Lab Technician, 1978-1981. Toxicity testing on fish and invertebrates. Environmental Protection Agency, Duluth, MN.