Marc O. DeGirolami is the inaugural St. John Henry Newman Professor of Law and Co-Director of the Center for Law and the Human Person. His publications include The Tragedy of Religious Freedom (Harvard University Press) and articles in the Yale Law Journal, Notre Dame Law Review, Washington University Law Review, Constitutional Commentary, Legal Theory, and the Boston College Law Review, among others. He has written in the popular press for The New York Times, The New Republic, First Things, Commonweal, and Law and Liberty.

Before joining the Columbus School of Law in 2024, he was the Cary Fields Professor of Law and the Co-Director of the Mattone Center for Law and Religion at St. John’s Law School. He has also been a Visiting Professor and Visiting Fellow at Princeton University’s Department of Politics, as well as a Visiting Professor at Notre Dame Law School and Catholic University, Columbus School of Law. Before St. John’s, he was a fellow at Columbia Law School. His professional experience includes service as an Assistant District Attorney in Cambridge, Massachusetts.

He has taught Constitutional Law, Constitutional Theory, Criminal Law, Freedom of Speech & Freedom of Inquiry, Jurisprudence, Law and Religion, Professional Responsibility, and Torts.