According to Wikipedia,
Timothy J. Keller is an American pastor, theologian, and Christian apologist. He is the chairman and co-founder of Redeemer City to City, which trains pastors for service around the world. He is also the founding pastor of Redeemer Presbyterian Church in New York City, New York and the author of The New York Times bestselling books The Prodigal God: Recovering the Heart of the Christian Faith , Prayer: Experiencing Awe and Intimacy with God , and The Reason for God: Belief in an Age of Skepticism . The prequel for the latter is Making Sense of GOD: An Invitation to the Skeptical .
Tim Keller is affiliated with the following schools: