Tom Prestby

Environmental Scientist

Wildlife, birds, threatened, endangered, T&E, ecology, herptiles, survey, inventory, monitor, wetland


    M.S., Environmental Science and Policy, University of Wisconsin-Green Bay
  • B.S., Forest and Wildlife Ecology, University of Wisconsin-Madison

Training and Certifications

    WDNR Natural Heritage Conservation Endangered Resources Reviewer
  • WDNR Wisconsin Threatened Endangered Species (E/T) Permit
  • WDNR Karner Blue Butterfly / Lupine Survey Certification
  • WDNR NHI Training
  • UW-La Crosse Wetland Delineation Basic and Advanced Training
  • Health and Safety Training Annual
  • Harassment Prevention Training Annual

Tom is an environmental scientist in GEI’s Green Bay, Wisconsin office. His expertise includes endangered species reviews and wildlife surveys, including conducting avian and herptile surveys. He is also experienced with environmental monitoring of construction sites, vegetation surveys, and wetland delineations. Mr. Prestby is an expert in identifying all bird species in North America. Bird survey experience includes threatened and endangered species surveys, general censusing, disturbance monitoring, and nest searching for linear corridors, levee replacement, restoration sites, and other projects for both the public and private sectors in the Midwest and the West Coast. Mr. Prestby also has experience with herptiles and plants. He is a Certified Endangered Resource Reviewer for the state of Wisconsin and is certified by the Wisconsin Department of Natural Resources (WDNR) for various threatened and endangered species surveys. Mr. Prestby also possesses a WDNR Threatened Endangered (E/T) Permit. Mr. Prestby earned a Master’s in Environmental Science and Policy from the University of Wisconsin-Green Bay where his thesis research focused on shorebirds, terns, and other water birds in Lower Green Bay.

Fun Fact

Tom has identified 370 species of birds in Wisconsin and over 650 species in the United States.