Ph.D., Philosophy (summa cum laude), Pontifical Gregorian University, Rome, 2000
Dissertation: Creation and Human Freedom in Maximus the Confessor. A Philosophical Study of Creation out of Nothing as the Metaphysical Foundation of Human Freedom in Light of Selected Works of Maximus the Confessor
Licentiate, Philosophy (magna cum laude), Pontifical Gregorian University, Rome, 1993
Thesis: The Real Distinction Between Esse and Essence as the Foundation of the Unity and Difference Between God and the Creature in QQ. 2-13 of the Prima Pars of the Summa Theologiae of Thomas Aquinas (highest honors for thesis)
B.A., Philosophy, The University of San Francisco, 1990
Dr. Walker has taught theology and philosophy at The Catholic University of America’s School of Theology and Religious Studies, The Pontifical John Paul II Institute for Studies on Marriage and Family at The Catholic University of America, and the Pontificio and Istituto Giovanni Paolo II per Studi su Matrimonio e Famiglia.
In addition to his own publications, Dr. Walker translated and edited numerous philosophical and theological texts into English, German, Spanish, and Italian. He is an editor of Communio: International Catholic Review.
He is fluent in English, Italian, German, Spanish, and French.
“The Good of Ruling.” Invited to present at conference on the common good at the John Paul II Institute for Studies on Marriage and Family in Washington, DC. (November 2020)
“The Power of the Good: On the Royal Calling of the Laity.” Invited presentation at “Renewing Formation: Toward a New Unity of Theology and Sanctity,” Symposium-Retreat held November 7th-10th, 2019 in Menlo Park, California under the auspices of Saint Patrick’s Seminary and University.
“Cosmic Liturgy. On the Eucharstic Vocation of Science,” invited presentation organized by the Seminar in Historical and Systematic Theology, The Catholic University of America, November 20, 2017.
Chapter contribution to a symposium on Reinhard Huetter’s Bound for Beatitude in the journal Nova et Vetera (December 2020).
Chapter contribution to a festschrift for John Milbank (September 2020).
Apperceptions. (New York: Angelico Press, 2020). Forthcoming book.
Divine and Human Nature (Washington, DC: Humanum Press, 2020). Book project under contract.
“Nexus Indissolubilis. A Balthasarian-Augustinian Meditation on the Spousal Embrace,” chapter in David S. Crawford, ed. The Body as Anticipatory Sign: Commemorating the Anniversaries of Humanae Vitae and Veritatis Splendor (Washington, DC: Humanum, 2020).
“Sincerum Sui Ipsius Donum,” chapter in Antonio López, ed. Englihtening the Mystery of Man: Gaudium et Spes Fifty Years Later (Grand Rapids: William B. Eerdmans Publishing Company, 2018).
“The Freedom of Christ: Notes on ‘Gnomie’ in Maximus the Confessor,” in Communio: International Catholic Review 43.1 (Spring 2016): 29-54.