- Edward O. Wilson
- Jane Goodall
- Lynn Margulis
- Alfred W. Crosby
- Jim Pojar
- Andy MacKinnon
- Joyce Stewart
- Jan L. Wassink
- John L. Harper
- Barbara Land
- David Moore
- Dittmar Family for the Wilderness Society
- Vernon Ahmadjian
- Dennis W. Woodland
- Glenn Fuller
- Rodolfo Dirzo
- Bates McKee
- Kenneth J. McNamara
- Jonathan D. Sauer
- Peter Crowcroft