Timothy J. Keller

Timothy J. Keller (born September 23, 1950) is an American pastor, theologian, and Christian apologist. 
He is the Chairman and co-Founder of Redeemer City to City. He is also the founding pastor of Redeemer Presbyterian Church in New York City. 
He is the author of "The New York Times" bestselling books "The Prodigal God: Recovering the Heart of the Christian Faith" (2008), "Prayer: Experiencing Awe and Intimacy with God" (2014), and "The Reason for God: Belief in an Age of Skepticism" (2008). The prequel for the latter is "Making Sense of GOD: An Invitation to the Skeptical" (2016).
In June 2020, Keller revealed that he was diagnosed with pancreatic cancer.