Gary travels widely throughout Australia and beyond, and seeks to encourage local churches. He is also the co-founder and Chair of The Gospel Coalition Australia. Gary is married to Fiona, and they have three daughters, Lucy, Sophie and Rebekah. For 17 years Gary was a pastor in Ireland. Since 2012, Gary has been the Principal of the Queensland Theological College (QTC). He teaches: Old Testament, Pastoral Ministry and Preaching. Gary has written many commentaries on Deuteronomy, 1, 2 Kings, Prayer, and Preaching.  He has also contributed to several other commentaries and written: Need to Know: Your guide to the Christian life and 2 Corinthians for You.