Jeff McMahan is Professor of Philosophy at Rutgers University. His research has examined applied ethics, including bioethics and the ethics of war, animal ethics, and nationalism. He is the author of The Ethics of Killing: Problems at the Margins of Life (2002) and Killing in War (2009), and a sequel to his 2002 book, The Ethics of Killing: Self-Defense, War, and Punishment (2020). He began his doctoral work at Oxford before finishing it at Cambridge.