Richard Langer (PhD, University of California, Riverside) is a professor of biblical and theological studies and director of the Office for the Integration of Faith and Learning at Biola University. He is an ordained minister with over twenty years of pastoral experience and a coauthor of Winsome Persuasion and Winsome Conviction. He and his wife, Shari, are members at Fullerton Free Church in Fullerton, California.

Joanne J. Jung (PhD, Fuller Seminary) is a professor of biblical and theological studies and the associate dean of online education and faculty development at the Talbot School of Theology, Biola University. She is the author of Knowing Grace; Character Formation in Online Education; and The Lost Discipline of Conversation. She and her husband, Norman, attend Mariners Church in Irvine, California.