He works at the interface of contemporary pragmatism, Wittgenstein’s philosophy of language and psychology and the philosophy of art. In addition to these topics, he has published articles in leading philosophy journals and books on liberal naturalism, metaphysical quietism, skepticism, common sense, perception, ordinary language, philosophy of architecture, and philosophy of photography and film. He has co-edited three collections of papers with Mario De Caro (Roma Tré): Naturalism in Question (Harvard, 2004); Naturalism and Normativity (Columbia, 2010); and Philosophy in an Age of Science: Physics, Mathematics and Skepticism (Harvard, 2012); and is currently editing Hilary & Ruth-Anna Putnam, Pragmatism as a Way of Life: The Lasting Legacy of William James and John Dewey (Harvard, 2017).