Brian Leiter is Karl N. Llewellyn Professor of Jurisprudence and Director of the Center for Law, Philosophy & Human Values at the University of Chicago. He has been a visiting professor of law or philosophy at Oxford, Yale, and the Universities of Paris X and Rome III, among others. He is the author of Naturalizing Jurisprudence (OUP, 2007), Moral Psychology with Nietzsche (OUP, 2019), and (with J. Edwards) Marx (Routledge, 2025). He is also editor of Oxford Studies in Philosophy of Law.