Avery T. Willis Jr. was a pastor in Texas and Oklahoma for ten years and served as a missionary to Indonesia for fourteen years. He holds a ThD in missiology and is the executive director of the International Orality Network. He currently lives in Bella Vista, Arkansas, where he continues work in missions as a speaker, trainer, and consultant.
Mark Snowden is a world-class Bible-storying trainer who's worked with pioneers Jim Slack and J. O. Terry. He developed an oral Bible for use among a predominantly Muslim people group in central Asia and currently trains missionary and lay church planters in Bible storying.