Walter Sinnott-Armstrong is the Chaucey Stillman Professor in Practical Ethics in the Department of Philosophy and the Kenan Institute for Ethics. He is the Codirector of the MacArthur Law and Neuroscience Project and Co investigator at the Oxford Centre for Neuroethics. He has worked on ethics (theoretical, applied and empirical), philosophy of law, epistemology, philosophy of religion, and informal logic.