Tim O’Connor is a professor of philosophy and chair of the department of philosophy at Indiana University. He specializes in metaphysics, philosophy of mind, and philosophy of religion. O’Connor received his doctorate in philosophy from Cornell University; his dissertation focused on free agency. He conducted postdoctoral research at the University of Notre Dame and was a Gifford Research Fellow at the University of St. Andrews. O’Connor is the author of two books -- Persons and Causes: The Metaphysics of Free Will (2000) and Theism and Ultimate Explanation: The Necessary Shape of Contingency (2008) – and has co-edited five others. He has also authored sixty articles and reviews for publications such as American Philosophical Quarterly, the Canadian Journal of Philosophy, and Philosophical Studies.