Caleb Keith holds a BA in theology and classical languages from Concordia University Irvine and is currently pursuing an MA in systematic and philosophical theology from the University of Nottingham. He is husband to Erika Keith and father to their two children, Esther and Emerson. He is the producer of the Thinking Fellows podcast and the director of the 1517 podcast network.

Kelsi Klembara is a freelance writer and the editor of the 1517 Blog. She is currently pursuing an MA in Reformation Studies from Concordia University Irvine. She lives with her husband, Doug, in Dallas, Texas.