University of Michigan, School of Natural Resources and Environment
Postdoctoral Fellow
Grand Valley State University
Chair, Biology Department
Grand Valley State University
Professor Emeritus of Biology and Natural Resources Management
Ottawa Soil and Water Conservation District
Crewleader and Chainsaw Operator
Ottawa Soil and Water Conservation District
District Conservation Planner
Grand Valley State University
Professor of Biology and Natural Resources Management
Grand Valley State Colleges
Research Assistant, Environmental Science Program
Michigan State University
University of Michigan
