Mark Batterson is the New York Times best-selling author of seventeen books, including Whisper, Chase the Lion, and The Circle Maker. He is the lead pastor of National Community Church, one of the most innovative and influential churches in America. One church with seven campuses, NCC, holding fast to its mission that the church belongs in the middle of the marketplace, also owns and operates Ebenezers Coffeehouse, the Miracle Theater, and the DC Dream Center. Mark holds a doctor of ministry degree from Regent University. He and his wife, Lora, have three children and live on Capitol Hill.

Summer Batterson Dailey is a recent graduate of Southeastern University and is working as a social worker in Washington, D.C.

Benedetta Capriotti, illustrator of Wild Bios: William Sheepspeare, attended a professional school of fashion and technical drawing before joining the illustration class at the International School of Comics in Rome.