Barry is a pastor, author and international speaker on the topic of singleness. Barry offers deep understanding of singleness in the biblical context from his research in the ancient world and New Testament (Ph.D. University of Cambridge; M.A. Trinity Evangelical Divinity School; M.S. University of Minnesota; M.A., B.S. Wheaton). His biblical theology of singleness (Redeeming Singleness: How the Storyline of Scripture Affirms the Single Life, Crossway: 2010) has been used in seminary courses, mission conferences and spiritual retreats. Since 2012 Barry has served as the Pastor of Single Adult Ministries at Centre Street Church and Adjunct Professor of Theology at Rocky Mountain College in Calgary, Alberta.