Studies: University of Melbourne and Oxford University. Taught at universities in England, USA and Australia. Currently, DeCamp Professor of Bioethics, Center for Human Values, Princeton University. Author of numerous books including: Animal Liberation; Democracy and Disobedience; Practical Ethics; The Expanding Circle; Marx; Hegel; How Are We to Live?; Rethinking Life and Death; Ethics into Action. Author of major article on ethics in current edition of Encyclopaedia Britannica. President, The Great Ape Project.