Paul Francis Waldau (born January 16, 1950) is an American ethicist and former professor at Canisius College in Buffalo, New York, where he headed the graduate program on anthrozoology, which he founded. He has several times served as Barker Lecturer in animal law at Harvard Law School, and is the author of a number of books on animal rights and speciesism. Waldau has also served as the legal director of the Great Ape Project, which campaigns for rights for chimpanzees, gorillas and orangutans. He has served as President of the since 2003.