Paul Wadell (Ph.D., University of Notre Dame) is Associate Professor of Religious Studies at Saint Norbert College, De Pere, Wisconsin. He is the author of Friendship and the Moral Life, The primacy of Love: An Introduction to the Ethics of Thomas Aquinas, and Becoming Friends: Worship, Justice, and the Practices of Christian Friendship.

Paula D’Arcy is the author of A New Set of Eyes, Song for Sarah, and When People Grieve. She is a former psychotherapist and the president of the Red Bird Foundation. She lives in Austin, Texas.

Pedro Trigo SJ is one of the most recognized theologians in Latin America today. A Jesuit originally from Spain, he became a Venezuelan citizen and is presently a professor at the School of Theology at Andres Bello Catholic University in Caracas. He is a research member of Centro Gumilla and chair of Jesuit socio–political studies in Venezuela. He has written numerous books and articles on theology, philosophy and Spanish literature for international journals and is a frequent participant in conferences and seminars throughout the world on liberation theology.

Peter D. Beaulieu, Ph.D. is a retired public servant living in Seattle, Washington. He is a founding member and executive director of the G.K. Chesterton Society of Seattle, a member of the Society of Catholic Social Scientists, a past member of the Seattle Archdiocesan Pastoral Council, and an instructor for the archdiocesan Catechetical Certification Program.

Peter M. Kalellis is a psychotherapist; a marriage and family therapist; and the author of Five Steps to Spiritual Growth, Restoring Relationships, and Restoring Yourself. He lives in Mountainside, New Jersey.

Peter Kalellis was born in Philadelphia in 1926, but grew up in Greece on the island of Lesbos, where he endured the Nazi occupation. He returned to America in 1946, where he earned advanced degrees in education and psychology from Princeton University and the Andover Newton School of Psychology. He is the author of many books on psychology and Eastern Orthodox spirituality.

Peter H. Van Ness, formerly Dean of Academic Affairs at Union Theological Seminary, New York City, and currently Visiting Associate professor of Religion at Columbia University, is the author of Spirituality, Diversion, and Decadence: The Contemporary Predicament.