Author, public speaker and Christian theologian who became the Billy Graham Distinguished Chair of Church, Mission and Evangelism at Wheaton College. He has also served as the North American Regional Director for Lausanne International.
He earned master's degrees from Liberty University School of Divinity and the Southern Baptist Theological Seminary.
His publications Lost and Found and Transformational Church won Golden Canon Book Awards from Leadership Journal.
He married his wife Donna in the '80s.