James A. Estes is Professor of Ecology and Evolutionary Biology at University of California, Santa Cruz. He was coeditor of Trophic Cascades: Predators, Prey, and the Changing Dynamics of Nature and of The Community Ecology of Sea Otters, and senior editor of Whales, Whaling, and Ocean Ecosystems (UC Press). He is a recently elected member of the National Academy of Sciences.
