Timothy Keller is Chairman of Redeemer City to City and Pastor Emeritus Redeemer Presbyterian Church in New York City. For over twenty-five years Tim led a diverse congregation that grew to a weekly worshipping community of over 6,000 people. Tim now focuses on ministry more broadly in NYC and other global cities through the work of City to City, which has helped start over 490 churches in 54 global cities. He is the author of such New York Times bestselling books as The Reason for God and The Meaning of Marriage.