John M. Breen serves as the Georgia Reithal Professor of Law at Loyola University Chicago School of Law. John received his BA with highest honors from the University of Notre Dame where he read the Great Books in the Program of Liberal Studies. He received his JD from Harvard University where he was a member of the Law School’s Board of Student Advisors. After law school John clerked for Hon. Boyce F. Martin, Jr., of the United States Court of Appeals for the Sixth Circuit. He then practiced law at Sidley & Austin in Chicago where he specialized in commercial litigation.

At Loyola, John teaches courses in contracts, commercial law, professional responsibility, jurisprudence and Catholic social thought and the law. His published articles and other works have addressed such topics as commercial law, statutory interpretation, legal ethics, Catholic social teaching, legal education, law and religion, and abortion. He is currently working to complete a book on the history of Catholic law schools in the United States.