Born in Scotland, Stuart McAllister spent his earlier years in sales before becoming a Christian at the age of twenty. Desiring to deepen his understanding of Christianity, Stuart joined Operation Mobilization in 1978, which led him into Communist Europe where he was repeatedly imprisoned for sharing his faith. Stuart joined Ravi Zacharias International Ministries in 1998, and today serves as the Vice-President for Training and Special Projects. He is Associate Fellow at Wycliffe Hall, Oxford University (Oxford Centre for Christian Apologetics) and has also served as a lecturer at Alliance Theological Seminary in Nyack, New York.