Walter Sinnott-Armstrong is Chauncey Stillman Professor of Practical Ethics in the Department of Philosophy and the Kenan Institute for Ethics at Duke University with secondary appointments in Duke’s Law School and Department of Psychology and Neuroscience. His research and teaching focus on moral artificial intelligence, political polarization, free will and moral responsibility, and various other topics in moral psychology and neuroscience. His recent books include Free Will: Philosophers and Neuroscientists in Conversation co-edited with Uri Maoz (2022) and Moral AI and How We Get There co-authored with Jana Schaich Borg and Vincent Conitzer (2024).