Walter Sinnott-Armstrong is Chauncey Stillman Professor of Practical Ethics in the Kenan Institute for Ethics, the Departments of Philosophy and of Psychology and Neuroscience, and the Law School at Duke University. He has received fellowships from the Harvard Program in Ethics and the Professions, the Princeton Center for Human Values, and the Oxford Uehiro Centre for Practical Ethics. His most recent books include Neuroscience and Philosophy and Free Will: Philosophers and Neuroscientists in Conversation.