John Ortberg is a teaching pastor at Menlo Park Presbyterian Church in Menlo Park. He is the best-selling author of Everybody's Normal Till You Get to Know Them, If You Want to walk on Water, You've Got to Get Out of the Boat, Love Beyond Reason, and Old Testament Challenge. He has written for Christianity Today and is a frequent contributor to Leadership Journal. Es pastor docente de Willow Creek Community en South Barrington, Illinois. Es autor de los exitos de libreria Si quieres caminar sobre las aguas, tienes que salir de la barca y Mas alla de la razon. Ha escrito para Christianos hoy es un contribuyente frecuente para Leadership Journal. Judson Poling works with small group ministries at Willow Creek. He is coauthor of the Walking with God series and general editor of The Journey: A Study Bible for Spiritual Seekers.