Mark Batterson is the New York Times bestselling author of seventeen books for adults, including Whisper, Chase the Lion, and Double Blessing, as well as several books for children, including God Speaks in Whispers. He is the lead pastor of National Community Church in Washington, D.C. One church in seven locations, NCC owns and operates Ebenezers Coffeehouse, The Miracle Theatre, 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. She previously collaborated with her dad on the children's book God Speaks in Whispers.

Benedetta Capriotti, who also collaborated with the Battersons on God Speaks in Whispers, attended a professional school of fashion and technical drawing before joining the illustration class at the International School of Comics in Rome.