| 2025 | John Hartig, University of Windsor |
| 2023 | River Institute |
| 2022 | David Dempsey, Senior Advisor, For Love of Water |
| 2021 | Margaret Lansing, Chief of Information Services, NOAA Great Lakes Environmental Research Laboratory |
| 2019 | Mohiuddin Munawar, Great Lakes Laboratory for Fisheries and Aquatic Sciences |
| 2018 | Helen M. Domske, New York Sea Grant |
| 2017 | Dan Egan, Milwaukee Journal Sentinel |
| 2016 | Pranas Pranckevicius, Awarded posthumously, U.S. EPA Great Lakes National Program Office |
| 2015 | Dave Poulson, Knight Center for Environmental Journalism, Michigan State University |
| 2014 | Tom Henry, Environmental Reporter, Editorial Writer, and Op-ed Columnist, The Blade, Toledo OH |
| 2013 | Janet Vail, Annis Water Resources Institute, Grand Valley State University |
| 2012 | Vicky Harris, Wisconsin Sea Grant and the University of Wisconsin-Green Bay |
| 2011 | John E. Gannon, International Joint Commission (retired) |
| 2010 | Carol Swinehart, Michigan Sea Grant, Michigan State University |
| 2009 | Rosanne Fortner, Professor Emerita, The Ohio State University, Retired Ohio Sea Grant Educator |
| 2008 | John R. "Jack" Vallentyne, Inaugural award given posthumously to its namesake, long-time IAGLR member and environmental scientist and educator |
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