Gary W. Moon (PhD, Fuller Theological Seminary) is director of the Martin Family Institute and Dallas Willard Center for Christian Spiritual Formation at Westmont College in Santa Barbara, California. He is also codirector of Fuller's doctor of ministry degree program in spiritual direction, which blends ancient Christian spirituality, Ignatian spirituality, and spiritual formation insights from Dallas Willard.

He served as distinguished professor of psychology and Christian spirituality at Richmont Graduate University, editor in chief for the journal Conversations, and the director of the Renovaré International Institute for Christian Spiritual Formation. His books include Apprenticeship with Jesus and Falling for God.