Andreas J. Köstenberger (PhD, Trinity Evangelical Divinity School) is the theologian in residence and director of the equipping center at Fellowship Raleigh, a cofounder of Biblical Foundations, and a host at Oak Tree Cottage, a hospitality and coaching ministry to Christian leaders. He is the author, editor, or translator of over sixty books, including A Theology of John’s Gospel and Letters; God, Marriage, and Family; and Invitation to Biblical Interpretation.Marny Köstenberger (ThD, University of South Africa) is a teacher and women’s consultant, the author of Jesus and the Feminists, and the coauthor of God’s Design for Man and Woman and Parenting Essentials. She previously served as director of women’s programs and mentoring, and professor of theology and women’s ministry at various churches and seminaries. Marny and her husband, Andreas, live in North Carolina.