Ivette Perfecto is Professor of Natural Resources at the University of Michigan. John Vandermeer is Arthur Thurnau Professor in the Department of Ecology and Evolutionary Biology, University of Michigan. During a distinguished academic career he has published widely on agroecology and the surrounding issues, and he has edited or co-edited numerous books. Angus Wright is Emeritus Professor of Environmental Studies at California State University Sacramento, where he was one of the founders of the program.