Professor, UMN Dept of Fisheries, Wildlife and Conservation Biology
Lecturer, Cardiff University
Lake Steward Program Coordinator, MN Lakes and Rivers
Assistant Professor, UMN Dept of Fisheries, Wildlife and Conservation Biology
Quantitative Ecologist, Minnesota Aquatic Invasive Species Research Center
Director of Natural Resources, Three Rivers Park District
Senior Director of the Department of Water and Climate Change and the St. Croix Watershed Research Station at the Science Museum of Minnesota
Research Scientists, US Geological Survey
Assistant Professor, UMN Dept of Entomology
Professor, UMN Dept of Ecology, Evolution and Behavior
Retired, Minnesota Department of Natural Resources
Research Manager, Minnesota Prion Research and Outreach Center, University of Minnesota