Gary Thomas is writer-in-residence at Second Baptist Church in Houston, a frequent guest on Focus on the Family and FamilyLife Today radio, and a popular speaker around the world. His award-winning books have been translated into fifteen languages and have sold two million copies. Thomas and his wife have three children.

Steve D. Wilke, PhD, has been engaged in psychological ministries for over thirty years. Following his doctoral work in clinical psychology with a specialization in marriage and family, he founded the Family Counseling Center, where he serves as clinical director. He cofounded LEADon(R), a leadership development firm that equips executives, leaders, and their teams with strategic leadership skill sets. Steve has been married to Rebecca for almost forty years. Together they have authored numerous books, but they feel their greatest legacy is their family, now comprised of adult children and grandchildren.

Rebecca Wilke, EdD has served as a teacher, professor, and leadership consultant working with children and adults in both public and private school settings. She is a graduate of the University of Southern California, where she received her doctorate in educational leadership. Rebecca is a cofounder of Sonkist Ministries, a faith-based ministry that supports individuals, couples, and families. She is a principal and cofounder of LEADon(R).