J. Adam Carter is a Lecturer in Philosophy at the University of Glasgow. He works mainly in epistemology. His book Metaepistemology and Relativism was published by Palgrave Macmillan in 2016. Andy Clark is Professor of Philosophy and Chair of Logic and Metaphysics at the University of Edinburgh. He works in the philosophy of mind and cognitive science, artificial intelligence and related areas. His most recent book, Surfing Uncertainty: Prediction, Action and the Embodied Mind, was published by Oxford UP in 2016. Jesper Kallestrup is Professor in Philosophy at the University of Edinburgh working mainly in epistemology, the philosophy of mind and the philosophy of language. His book Semantic Externalism was published by Routledge in 2011. S. Orestis Palermos is a Lecturer in Philosophy at Cardiff University. He works primarily in epistemology and the philosophy of mind and cognitive science, including the philosophical foundations of extended and socially extended knowledge. Duncan Pritchard is Professor and Chair of Epistemology at the University of Edinburgh. His most recent book, Epistemic Angst, was published by Princeton UP in 2015.