Meet the Faculty: John O’Callaghan ’86 MS, ’96 Ph.D.

John O’Callaghan ’86 MS, ’96 Ph.D. is an associate professor of philosophy at the University of Notre Dame.

O’Callaghan is a permanent member of the Pontifical Academy of St. Thomas Aquinas. Established in 1879 by Pope Leo XIII to promote the study of the thought of St. Thomas and to bring it into engagement with contemporary culture, the Pontifical Academy of St. Thomas has 50 members. O’Callaghan, an associate professor of philosophy at Notre Dame whose scholarship concerns medieval philosophy and Thomistic metaphysics, is one of four academy members from the United States.

A member of the Notre Dame faculty since 2003, O’Callaghan was graduated from St. Norbert College in 1984 and earned a master’s degree in mathematics from Notre Dame in 1986. He worked as an engineer in Boston for two years before returning to Notre Dame, where he earned a doctoral degree in philosophy in 1996. Before joining the Notre Dame faculty, he taught philosophy at Creighton University and the University of Portland. In 2006, he was appointed director of the Jacques Maritain Center.