He specializes in ethics, topics in metaphysics, and philosophical work on film. He has published articles in a variety of journals including the Journal of Aesthetics and Art Criticism, the Journal of Moral Philosophy, Midwest Studies in Philosophy, Philosophical Topics, The Review of Philosophy and Psychology, and The Southern Journal of Philosophy. He is also the editor of three books. The most recent, Understanding Love: Philosophy, Film, and Fiction, is co-edited with Susan Wolf and published by Oxford University Press.