Constantine R. Campbell (PhD, Macquarie University; PhD, Australian National University) is the author of several books on the New Testament and Ancient Greek, including Paul and Union with Christ—the 2014 Christianity Today Book of the Year in Biblical Studies. He is Professor and Research Director at the Australian University College of Divinity, and was previously Professor of New Testament at Trinity Evangelical Divinity School (Illinois) and senior lecturer in New Testament at Moore Theological College (Sydney). Dr Campbell lives in Canberra, Australia.