Graduate School Faculty & Administration

The mission of the Christendom Graduate School is to educate men and women in accord with the Magisterium of the Catholic Church, so that they can teach effectively and bear witness to the Catholic faith. Faculty are chosen for their commitment to this mission, and for the excellence of their teaching, scholarship, and pastoral work.

Joseph M. Arias, Lecturer in Theology
S.T.D. candidate, The Catholic University of America                
S.T.L., S.T.B., Pontifical Faculty of the Immaculate Conception, Dominican House of Studies
M.A., Christendom College
B.A., Loyola Marymount University

Professor Arias is the librarian at the Christendom Graduate School. In addition to teaching at the Graduate School, he is an adjunct member of the undergraduate faculty at Christendom College. He also teaches occasionally for the Permanent Diaconate Formation Program of the Diocese of Tulsa, OK. He has published in the National Catholic Bioethics Quarterly.
kris burns
Kristin Popik Burns, Associate Professor of Philosophy, Dean of Graduate School
Ph.D., Ph.L., Pontifical University of St. Thomas Aquinas, Rome
M.A., Niagara University
B.A., University of Dallas

Dr. Burns was the first woman to earn the doctorate in Philosophy at the Angelicum, and was a founding faculty member of Christendom College. She is a former Richard Weaver Fellow. She specializes in the philosophy of St. Thomas Aquinas, and is a member of the Fellowship of Catholic Scholars.

Sebastian Carnazzo
Sebastian Carnazzo, Lecturer in Sacred Scripture
Ph.D., The Catholic University of America
M.A., Christendom College
B.S., California Polytechnic University at San Luis Obispo, CA

Dr. Carnazzo is Lecturer in Sacred Scripture and Biblical Languages at St. Patrick’s Seminary in Menlo Park, California. He is also an adjunct lecturer in Sacred Scripture and Catechetics for the Magdala Apostolate of the Institute of Catholic Culture; the academic director for the formation of deacon candidates for the Diocese of Tulsa, OK; a lecturer in New Testament for the formation of deacon candidates for the Melkite Eparchy of Newton, MA; and a professor of Biblical and Classical Greek for the Academy of Classical Languages. Dr. Carnazzo is a deacon in the Melkite Catholic Church.

Salvatore J. Ciresi, Lecturer in Theology
M.A., Christendom College
B.A., Strayer University
Professor Ciresi is the founder and director of the St. Jerome Biblical Guild, an educational apostolate that promotes the study of Scripture within a theological and practical framework.  He is also the publisher of Veritas Scripturae, an international online Scripture journal. He was a diocesan consultant for the revision of the National Directory for Catechesis, and he writes a regular Scripture column for The Latin Mass magazine.  Ciresi is a former host of the Catholic radio show CrossTalk and has a special interest in the doctrine of Biblical inerrancy.           
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Rev. Paul F. deLadurantaye, Assistant Professor of Theology
S.T.D., S.T.L., John Paul II Institute, Washington, DC
S.T.B., Pontificia Universitas Gregoriana, Rome
B.A., St. Charles Borromeo Seminary Fr. DeLadurantaye serves the Arlington Diocese as Judge of the Tribunal, Secretary for Religious Education, Secretary for Sacred Liturgy, and Director of Studies for the Permanent Diaconate Program.  He is a member of the boards of the Catholic Distance University and the Natural Law Study Center.    He has written and spoken extensively on the human person, bioethics, marital love, and the natural law.
Noelle Hiester, Lecturer in Evangelization and Catechesis
M.A., Christendom College
M.B.A., B.A., Franciscan University
Professor Hiester has served in a variety of positions in the field of catechesis, including as a high school religion teacher, as a parish director of religious education, and in curriculum development. She is trained in all levels of the Catechesis of the Good Shepherd and has designed and implemented the CGS program in a parish setting, trained volunteer catechists, and developed educational materials. She is a recipient of the Christopher Dawson Humanities and Catholic Culture Award.
Robert J. Matava, Assistant Professor of Theology
Ph.D., University of St. Andrews, Scotland
M.A., Pontifical Faculty of the Immaculate Conception, Dominican House of Studies (Washington, DC)
B.A., Mount St. Mary’s University
Dr. Matava works principally in the areas of Christian doctrine, philosophical theology and ethics. He is the author of Divine Causality and Human Free Choice: Domingo Báñez, Physical Premotion and the Controversy de Auxiliis Revisited (Brill, forthcoming). Dr. Matava is especially interested in creation, the theology of God and the Christological dimensions of moral theology. He was the Liddon Fellow in Theology at Keble College, University of Oxford and a fellow of the Center for Medieval Philosophy at Georgetown University. His essay, “Domingo Báñez on Auxilium: An Early Modern Conception of Divine-Human Cooperation,” received the Founder’s Award from the Society for Medieval and Renaissance Philosophy in 2009. Dr. Matava has published essays in Studies in Christian Ethics and Cuadernos de pensamiento Español. He has delivered scholarly papers at Oxford, the Aberdeen, St. Andrews, Navarre, and Notre Dame.
Fr. Brian Mullady, O.P., Lecturer in Theology
S.T.L. and S.T.D., Pontifical University of St. Thomas Aquinas, Rome     
M.A., B.A., St. Albert's College, Oakland, CA
Fr. Brian Mullady is an adjunct professor at Holy Apostles College and Seminary, one of the founders of their Distance Learning program, and a retreat and mission preacher.  He is a specialist in Moral Theology and has written three books and has numerous CD lectures.  He is a regular on EWTN and writes the question and answer column in Homiletic and Pastoral Review.  He is a specialist on questions of nature and grace and in the thought of Thomas Aquinas.  He is a member of the Fellowship of Catholic Scholars and an academician in the Catholic Academy of Sciences as well as staff theologian for the Institute of Religious Life.
Rev. Thomas W. Nelson, O.Praem.,  Lecturer in Theology of Consecrated Life
S.T.L., M.A., S.T.B., Ph.B., Pontifical University of St. Thomas Aquinas, Rome 
Fr. Thomas Nelson, O.Praem.,  is a Norbertine priest of St. Michael's Abbey in Orange, California. He is the Director of Formation at St. Michael's Abbey and a lecturer in philosophy and spirituality in their Studium. He is the National Director of the Institute on Religious Life, and the Director of the Vita Consecrata Institute.
Rev. Mark PilonAssociate Professor of Theology
S.T.D., Pontifical University of the Holy Cross, Rome
S.T.L., Pontifical Lateran University, John Paul II Institute
M.A., The Catholic University of America
B.A., University of Detroit
Fr. Pilon is a priest of the Diocese of Arlington who has taught at Mt. St. Mary Seminary, at Christendom College, at the Christian Commonwealth Institute in Escorial, Spain, and at the Catholic University of America. He is the author of Magnum Mysterium: The Sacrament of Matrimony, and the translator ofCandido Pozo’s Theology of the Beyond.  
Donald S. Prudlo, Associate Professor of Theology and Church History
Ph.D., University of Virginia
M.A., B.A., Christendom College
Dr. Prudlo is Associate Professor of Ancient and Medieval History at Jacksonville State University in Alabama. Previously, he was a Post-Doctoral Fellow at the Liberty Fund in Indianapolis, Indiana. He also serves as a professor of Theology and Church History for Catholic Distance University. He is the author of The Martyred Inquisitor: The Life and Cult of Peter of Verona (†1252), and The Origin, Development, and Refinement of Medieval Religious Mendicancies, in addition to many articles and chapters on such topics as hagiography, scriptural theology, and Church history. He is has just completed a book on the history and theology of sainthood, especially in the Medieval Church, and is currently writing one on the history of the Dominican Order.  His specialties include Church History, Hagiography, and Historical and Sacramental theology.  He serves as a commentator for canonizations on Vatican Radio, serves on the editorial board of Truth and Charity Forum, and writes for Crisis Magazine.
David Wallace, Lecturer in Evangelization and Catechesis
M.A., B.A., Christendom college
Professor Wallace has been involved in various educational and catechetical apostolates in the Diocese of Arlington since 2007, including curriculum development, course writing, and serving as a parish director of religious education. He has lived abroad, studying in Germany and Italy. His academic interests include liturgical theology, early patristic catechetical writings, and Sacred Scripture. He is married with five children.
Steve Weidenkopf, Lecturer in Church History
M.A., Christendom College
B.A., Syracuse University
Professor Weidenkopf is the author of The Glory of the Crusades (2014) from Catholic Answers Press and the adult faith formation programs Epic: A Journey through Church History (2009) and The Early Church: An Epic Journey through Church History (2012) time period study from Ascension Press. Catholic Answers has also produced his presentations on The Real Story of the Crusades and The Real Story of the Inquisition as audio products. His presentation on The Real Story of the Protestant Reformers is forthcoming. He has written commentaries on Familiaris Consortio, Lumen Gentium, and Humanae Vitae, and various articles/talks on Church History, Christian marriage, human sexuality, and family life. He served as the Director of the Office of Marriage and Family Life for the Archdiocese of Denver (2001 - 2004) and was a theological advisor to Archbishop Charles J. Chaput, OFM Cap. He is a member of the Society for the Study of the Crusades and the Latin East, and a knight of the Equestrian Order of the Holy Sepulchre of Jerusalem.
Rev. Norbert J. Wood, O.Praem., Lecturer in Theology of the Consecrated Life
M.Ed.Admin., University of San Francisco
3 years post-graduate liturgical studies, Pontificio Istituto Liturgico di Sant’Anselmo, Rome
S.T.B., Pontifical University of St. Thomas Aquinas, Rome
Fr. Norbert is the Rector of St. John the Baptist Parish Elementary School in Costa Mesa, CA, and Sunday chaplain to the boys at Joplin Juvenile Detention Center in Trabuco Canyon, CA. He has spent twenty-five years in Catholic education, primarily on the secondary level, as teacher, principal and administrator. He is a summer professor at the Vita Consecrata Institute, and he preaches retreats to priests, religious and laity in the US, Canada, India, Australia and the Philippines.

Administrative Staff

Dean of the Graduate School: Kristin P. Burns, Ph.D.

Registrar/Business Officer: Heidi M. Kalian, M.B.A.

Administrative Assistant: Virginia Norris, B.A.

NDGS Librarian: Joseph Arias, M.A., S.T.B.