Joseph Curran is an associate professor, chair of the religious studies department, and executive director of the Ethics Institute of Northeastern Pennsylvania at Misericordia University in Dallas, Pennsylvania. Dr. Curran received his Ph.D. in theological ethics from Boston College. His research interests include Catholic social teaching and Catholicism in American political life. Curran resides in Dallas with his wife and two daughters.

Joseph Pandiappallil is an Indian priest in the Missionary Congregation of the Blessed Sacrament. Walter Cardinal Kasper is a German cardinal of the Roman Catholic Church. He is president emeritus of the Pontifical Council for Promoting Christian Unity, having served as its president from 2001 to 2010.

Joyce Hollyday is an author and speaker and serves as Associate Conference Minister for United Church of Christ. For fifteen years Joyce was a columnist and feature writer for Sojourners magazine. Among her many books is Clothed with the Sun: Biblical Women, Social Justice, and Us. Joyce lives in North Carolina.

Joyce Rupp is well known for her work as a writer, spiritual "midwife," and retreat and conference speaker. She has led retreats throughout North America, as well as in Europe, Asia, Africa, Australia, and New Zealand. Joyce has a B.A. in English, a M.R.E. in religious education, and a M.A. in transpersonal psychology. She is a member of the Servites (Servants of Mary) community and a volunteer for Hospice. She currently resides in Des Moines, Iowa.

Julia A. Lamm is a Professor of Theology at Georgetown University in Washington, D.C. She is an historical and systematic theologian with specializations in the doctrine of God, the doctrine of grace, and Christology; Christian mysticism and spirituality; the history of Christian thought; the relation between theology and philosophy; Julian of Norwich (1343-ca. 1416); and Friedrich Schleiermacher (1768-1834). She is a recipient of an Alexander von Humboldt Fellowship (Germany) and is founding Director of the James M. and Margaret H. Costan Lecture in Early Christianity at Georgetown.