John Koessler has written for Discipleship Journal, Leadership, Moody Magazine, Decision, and Christianity Today. He has served as a pastor and currently is chair of the pastoral studies department at Moody Bible Institute in Chicago. He is the author of several books including True Discipleship and God Our Father. He holds degrees from Wayne State University, Biblical Theological Seminary, and Trinity Evangelical Divinity School. He has made numerous radio and television appearances. He lives in northern Indiana with his wife and sons.