About the Contributors
Zack grew up in Amarillo, TX, where he met his wife Kim. He graduated with a math and economics degree from Yale, spent two years in a math PhD program, and worked at a hedge fund and in management consulting before earning a ThM from DTS in 2012. Zack planted Redemption Church of Houston with his DTS classmate Todd Parish--they had their grand opening in 2014. He is convinced that grace will revolutionize the world.