Aaron Armstrong is an author, blogger, and Brand Manager for The Gospel Project, based outside of Nashville, Tennessee. He has written several books, including Epic: The Story that Changed the World as well as the screenplays for the documentaries Through The Eyes of Spurgeon, and LUTHER: The Life and Legacy of the German Reformer. He writes daily at BloggingTheologically.com, and his writing has appeared on numerous websites including The Gospel Coalition, For the Church, Crosswalk.com, and ChurchLeaders.com.

Heath McPherson runs a small studio that creates whimsical illustrations and animation for folks across the country. His work includes Timmy and Tammy’s Train of Thought by Oliver Chin as well a number of animated commercials.