Timothy Dalrymple left a first career in academia, studying and teaching philosophy of religion, to help launch a multi-religious website called Patheos.com in 2008. After Patheos became the world's largest religion website, he founded and grew a creative agency called Polymath that helped businesses, ministries, and educational institutions tell their stories and deploy world-class multimedia content. In 2019, he came to serve as CEO of the historic media ministry called Christianity Today, which was founded by Billy Graham in 1956.