Tim Cooper lives with his wife Kate and their four sons in Dunedin, New Zealand. He is Senior Lecturer in the History of Christianity in the Department of Theology and Religion at the University of Otago. Before taking up this post he was the pastor of LifeSwitch, a church in the Hutt Valley on the outskirts of Wellington, New Zealand's capital city. Kelvin Gardiner has pastored churches in New Zealand, the Philippines and the US. For ten years he led a ministry leadership organization overseeing one hundred US churches and providing pastoral support for overseas mission teams. He and his wife Jill currently offer pastoral care for mission agencies in Asia and Europe.