Timothy Keller started Redeemer Presbyterian Church in New York City with his wife, Kathy, and their three sons. Dr. Keller is also the cofounder of Redeemer City to City, an organization that helps national church leaders around the world reach and minister in global cities. He is the author of The Prodigal Prophet and The Reason for God, among others.
Kathy Keller received her MA in theological studies at Gordon-Conwell Theological Seminary. Kathy cowrote The Meaning of Marriage and The Songs of Jesus with Tim. This is their fourth collaboration.