M. Robert Mulholland Jr. (1936-2015) was emeritus professor of New Testament at Asbury Theological Seminary in Wilmore, Kentucky. He was the author of several books, including Shaped by the Word and The Deeper Journey.

Ruth Haley Barton (DD, Northern Seminary) is founder of the Transforming Center, a ministry dedicated to strengthening the souls of pastors, leaders, and the communities they serve. Trained at the Shalem Institute and the Loyola University Chicago Institute of Pastoral Studies, she is a seasoned spiritual director, teacher, and retreat leader who has served on the pastoral staff of several churches. Ruth is the author of numerous books on the spiritual life, including Strengthening the Soul of Your Leadership, Invitation to Solitude and Silence, Sacred Rhythms, and Embracing Rhythms of Work and Rest.