Timothy Keller is the founding pastor of Redeemer Presbyterian Church in Manhattan, which he started in 1989 with his wife, Kathy, and three young sons.  For 28 years he led a diverse congregation of young professionals that grew to a weekly attendance of over 5,000. He is also the Chairman & Co-Founder of Redeemer City to City (CTC), which starts new churches in New York and other global cities, and creates resources for ministry in an urban environment. In 2017 Dr. Keller transitioned to CTC full time to teach and mentor church planters and seminary students. Dr. Keller’s books, including the New York Times bestselling The Reason for God and The Prodigal God, have sold over 2 million copies and been translated into 25 languages.

https://www.alpha.org/blog/leadership-conversations-with-nicky-gumbel-podcast-tim-keller/