Before moving to Austin, Tim spent four years in St Andrews, Scotland, where he completed a PhD in New Testament and taught undergraduate Greek. His research focused on the Old Testament background of 2 Corinthians, especially the themes of repentance and the transformation of the heart in the prophets Isaiah, Jeremiah, and Ezekiel. He has an M.Div in expositional ministry from Western Seminary. He has served as a college pastor on the central coast of California and, before that, was on staff with Cru for two years after graduating from Cal Poly, San Luis Obispo, CA.