Dave Stephens is a professor in the Department of Ecology, Evolution and Behavior at the University of Minnesota. In 2012 he served as a program director in animal behavior at the National Science Foundation. His research focuses on the behavioral ecology of animal learning and decision-making. He is the author (with John Krebs) of Foraging Theory, and the editor (with Joel Brown & Ronald Ydenberg) of Foraging: behavior and ecology.