Peter Singer is the Ira W. DeCamp Professor of Bioethics at Princeton’s University Center for Human Values. He is known internationally for the publication of his book Animal Liberation (1975), which played a seminal role in the animal liberation movement. His other books include Practical Ethics, The Expanding Circle, The Most Good You Can Do, Ethics in the Real World, and Why Vegan?  He was born in Melbourne, Australia, in 1946, and educated at the University of Melbourne and the University of Oxford. He is the founder and board chair of The Life You Can Save, a nonprofit that fights extreme poverty, and developed from his book of the same name. He is an associated faculty member at Princeton’s High Meadows Environmental Institute, where he is involved with the Climate Futures Initiative for Science, Values and Policy.