Peter J. Colosi taught for nine years for Franciscan University of Steubenville at their program in Gaming, Austria as assistant professor of philosophy. In the fall of 2009, he joined the faculty at St. Charles Borromeo Seminary in Wynnewood, Pennsylvania as assistant professor of moral theology. He earned his BS in mathematics from Franciscan University, an MA in Franciscan Studies from St. Bonaventure University, and his MPhil and PhD from the International Academy of Philosophy in the Principality of Liechtenstein.