Jeffrey Levinton is Distinguished Professor of Ecology and Evolution at Stony Brook University and the Director of the Freshman College of Science and Society. He got his bachelors degree at the City College of New York and his Ph.D. at Yale University. He is a marine ecologist whose main interests are marine community ecology, restoration ecology, and evolutionary biology. He is an author of two textbooks in marine biology, a book on macroevolution, and co-edited a recent book on the Hudson River Estuary. He is author of over 140 publications. He has been a Guggenheim Fellow, A Fulbright Senior Scholar and is a Fellow of the AAAS. He has worked in local waters, but also on the Hudson River, Pacific Northwest, Denmark, Australia and many other places. His current research interests are the restoration of the Hudson, biology of bivalves, the evolution of resistance to toxic substances, the ecology and evolution of fiddler crabs, and the Cambrian explosion.