Peter Singer is Ira W. DeCamp Professor of Bioethics in the University Center for Human Values at Princeton University, a position that he now combines with the position of Laureate Professor at the University of Melbourne. He is the author of Animal Liberation, sometimes credited with triggering the modern animal rights movement, and never out of print since its publication in 1975. His other books include Practical Ethics, The Ethics of What We Eat (with Jim Mason), The Life You Can Save, and most recently, The Most Good You Can Do. He also has edited In Defense of Animals and its successor, In Defense of Animals: The Second Wave. Together with Paola Cavalieri, he cofounded The Great Ape Project, an attempt to gain basic rights for great apes, and co-edited an anthology, also called The Great Ape Project. Time has named him among the world’s 100 most influential people. An Australian, in 2012 he was made a Companion to the Order of Australia, his country’s highest civilian honour.