William (Bill) C. Duncan is Sutherland Institute’s Constitutional Law & Religious Freedom Fellow. He formerly worked in the Law and Religion Program at the Catholic University of America’s Columbus School of Law and has taught college courses on religion and law. Bill has submitted briefs on constitutional issues in the U.S. Supreme Court, 10 federal courts of appeals, eight state supreme courts, and other venues, including in important religious liberty cases.

He has presented expert testimony in the legislatures of seven states. His 75 scholarly articles have been published in the Rutgers Law Review, Howard Law Journal, Journal of Legislation, Harvard Journal of Law and Public Policy, Stanford Law and Policy Review and other journals. He has also published in National Review Online, SCOTUS Blog, and the American Spectator.

Read Bill’s Work