Timothy Keller started Redeemer Presbyterian Church in New York City with his wife, Kathy, and their three sons. Today, Redeemer has nearly six thousand regular Sunday attendees and has helped to start more than three hundred new churches around the world. In 2017 Keller moved from his role as senior minister at Redeemer to the staff 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, God's Wisdom for Navigating Life, as well as The Meaning of Marriage, The Prodigal God, and The Reason for God, among others.Kathy Keller received her MA in theological studies at Gordon-Conwell Theological Seminary. Kathy and Tim then moved to Virginia, where Tim started at his first church, West Hopewell Presbyterian Church. After nine years, Kathy and her family moved to New York City to start the Redeemer Presbyterian Church. Kathy cowroteThe Meaning of Marriage and The Songs of Jesus with Tim. The Meaning of Marriage: A Couple's Devotional is their third collaboration.