Matthew is Professor of Ethics and Epistemology in the Philosophy Department at the University of Edinburgh. His research is focused on ethical theory, political philosophy, philosophy of language, and epistemology. He has published widely in these areas, including books with Oxford University Press and Routledge and articles in Noûs, Synthese, The Journal of Philosophy, Proceedings of the Aristotelian Society, Australasian Journal of Philosophy, Oxford Studies in Metaethics, Philosophy and Phenomenological Research, Philosophers’ Imprint and Philosophical Studies.