Siobhan Nash-Marshall is a professor of Philosophy at Manhattanville College in New York. She holds the university's Mary T. Clark Chair of Christian Philosophy. She earned Ph.D.s from Fordham University and from the Università Cattolica di Milano. She is the author of several books and numerous articles in her favorite fields: metaphysics and the receptivity of the intellect. Recently she has concentrated on the problem of evil, a topic on which she has lectured internationally.