“The Magic of Personal Transformation” in Gregory Bassham, editors, The Ultimate Harry Potter and Philosophy: Hogwarts for Muggles, The Blackwell Philosophy and Pop Culture Series (Hoboken, NJ: John Wiley & Sons, 2010) (pages 172-184).
Annual Bitar Lecture, Geneva College, Beaver Falls, PA. Invited respondent to two lectures by Paul Moser on “Expecting a Severe God,” 27-28 April 2011.
“Sacramental Efficacy” – Invited speaker and discussion facilitator – NY Metro Presbytery – Presbyterian Church in America, 10/08/2010.
“Mary’s Virginity & Protestant Christologies” – Patristics, Medieval, and Renaissance Conference – Villanova Conference Center, 10/22-24/2010.
“Aristotle on Anger: Ancient Greek Ethics and Practices of the Self” – presentation given at the Eastern Pennsylvania Philosophical Association spring conference at Susquehanna University, Selinsgrove, Pennsylvania (April 2006).
“Suarez and the Emergence of Protestant Scholasticism” – The Significance of Francisco Suarez, conference at Franciscan University of Steubenville (March 2006).
“Joy Comes in the Morning: Comedy and the Christian Narrative” – invited lecture at Art & Soul Conference, Baylor University in Waco, Texas (2005).
“No Shadow of Turning: Classical Theism and the Openness of God” – lectures presented in Tokyo and Nagoya, Japan (2004)