Mark Patrick Hederman, has been a monk of Glenstal Abbey in Limerick for over thirty years. Formerly headmaster of the school, and currently academic dean, he studied in Paris and has lectured in philosophy and literature around the world. His first book, Kissing the Dark (Veritas 1999), was a bestseller. He lives in Dublin, Ireland.

Mark S. Massa, S.J., is Professor of Church History and Director of the American Studies Program at Fordham University. He is the author of Charles Augustus Briggs and the Crisis of Historical Criticism, as well as numerous articles.

Mark T. Matousek, MS, CCDC, was born and raised in Bayside, New York. He graduated from Cathedral Preparatory Seminary High School and earned a Masters Degree in Rehabilitation Counseling from St. John's University. He has focused his work in the area of addictions and earned his CCDC (Certified Chemical Dependency Counselor) certification. He was the administrator of an inpatient drug and alcohol program in Maryland and also worked for the American Cancer Society. Mark located to Missouri to become the director of clinical services of Recon, Inc. He has been...

Alken, a Sinsinawa Dominican nun (ministry, McCormick Theological Seminary.

Martin Sheen, an Emmy Award-winning actor, is perhaps best known for his unforgettable performances in Badlands, Apocalypse Now, Wall Street, and as President Josiah Bartlet on television’s The West Wing. An activist for social justice and human rights, Sheen is a long-time supporter of Michael Kennedy' ministry. He resides in Malibu, California, with Janet, his wife of fifty years.

Mary Ann Massey, EdD, is a licensed marriage and family therapist and is currently a full-time clinician at the Williamsburg Centre for Therapy. She lives in Alexandria, Virginia.