The Sacrament of Penance: A Sign Working Grac...

This lecture was given on September 23rd, 2025, at University of South Carolina.For more information on upcoming events, visit us at thomisticinstitute.org/upcoming-events.About the Speakers:Christopher Tollefsen is Professor of Philosophy at the University of South Carolina. He ...  Show more

This lecture was given on November 3rd, 2025, at Oxford University.For more information on upcoming events, visit us at thomisticinstitute.org/upcoming-events.About the Speakers:Fr. Anton is an assistant professor of theology at Tilburg University. His primary focus is on fundame ...  Show more

Father Dan Reehil is a Catholic priest who transitioned from a successful Wall Street career to the priesthood after a life-changing pilgrimage to Medjugorje in 1998. This spiritual conversion led him to leave New York after 9/11 and begin priestly formation in Boston. He was ord ...  Show more

Dr. John Bergsma is a Full Professor of Theology at the Franciscan University of Steubenville, in Steubenville, Ohio. He served as a Protestant pastor for four years before entering the Catholic Church in 2001 while pursuing a Ph.D. in Theology from the University of Notre Dame. ...  Show more

Constantine Zalalas' lecture from the conference: "On the Eighth Œcumenical Council: The Catholic Condemnation of the Filioque" that took place on March 14 - 16th, 2024 in Lake Guntersville, AL.

Re-watch all the conference lectures here:
👉 h ...

Part 3: History of Greek-American Monasticism - With Constantine Zalalas

Mr. Zalalas is an international speaker and retreat master for all Orthodox jurisdictions in the United States and abroad. He holds Masters (with honors) in Dogmatic Theology from the Univ ...