Prof. Waller taught ecology, evolution, and conservation biology at the University of Wisconsin-Madison as the Curtis Professor of Botany & Environmental Studies. His interests include plant population dynamics; plant reproductive ecology; effects of habitat fragmentation; monitoring long-term ecological change to identify drivers (e.g., forestREplot); and how ungulates and N-deposition affect forest plant communities. He served as Associate Editor of Ecology Letters, Editor-in-Chief of Evolution, a Fellow of the American Association for the Advancement of Science, a Palme Academique recipient, and President of the Society for the Study of Evolution. He co-authored Wild Forests: Conservation Biology and Public Policy (Island Press) and edited The Vanishing Present: Shifts in Wisconsin’s lands, waters, and wildlife (Univ. of Chicago Press). Dr. Waller works to conserve species and habitats and apply his expertise to improve forest and wildlife management.