Simon Levin is the James S. McDonnell Distinguished University Professor in Ecology and Evolutionary Biology at Princeton University and the director of the Center for BioComplexity in the High Meadows Environmental Institute. His research examines the structure and functioning of ecosystems, the dynamics of disease, and the coupling of ecological and socioeconomic systems. Levin is a fellow of the American Academy of Arts and Sciences and the American Association for the Advancement of Science, and a member of the National Academy of Sciences and the American Philosophical Society.