Allan Gibbard is Richard B. Brandt Distinguished University Professor of Philosophy at the University of Michigan, Ann Arbor. He has been President of the Central Division of the American Philosophical Association, and is Member of the American Philosophical Society, Membre Titulaire of the Institut International de Philosophie, Fellow of the American Academy of Arts and Sciences, and Fellow of the Econometric Society. He is the author of Wise Choices, Apt Feelings (1990), Thinking How to Live (2003), and numerous articles both in ethical theory and in such fields as theory of social choice, decision theory, evolutionary moral psychology, philosophy of mind and language, and epistemology.