Maria Boulding, OSB, was a contemplative nun at Stanbrook Abbey in England. She translated several works by St. Augustine and is the author of books that include The Coming of God, Gateway to Resurrection, and Marked for Life: Prayer in the Easter Christ.

Maria Calasanz Ziesche was a high school teacher and member of the German Congregation of the Sisters of Our Dear Lady. She is the author of several novels set in the middle ages.

María Clara Lucchetti Bingemer is Brazilian. In 1975 she graduated as a journalist at the Pontificia Universidade Católica do Rio de Janeiro where she also completed a Master in Theology. In Rome, she earned her Doctorate in Theology from the Pontificia Università Gregoriana. She is an Associate Professor at the Pontificia Universidade Católica do Rio de Janeiro where she teaches Fundamental Theolgy and the Treatise on the Revelation of God. Dr. Bingemer is one of the most important women theologians from Latin America and a frequent lecturer in international conferences....

Marjorie Hewitt Suchocki is Ingraham Professor of Theology, and Vice President for Academic Affairs/Dean at the School of Theology in Claremont. She is the author of The End of Evil: Process Eschatology in Historical Context and The Fall to Violence: Original Sin in Relational Theology.

Mark A. McIntosh is an associate professor of systematic theology and spirituality at Loyola University of Chicago and author of many books on theology and spirituality.

Mark F. Fischer is a professor of theology at St. John's Seminary, the seminary of the Roman Catholic Archdiocese of Los Angeles. He joined the seminary faculty in 1990. He is the past chairman of the Ecclesiology Seminar of the Catholic Theological Society of America and is webmaster of the Karl Rahner Society. His website devoted to Foundations of Christian Faith is one of the most visited websites in the world for information on Karl Rahner. Mark is married and has three sons.

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.