David Powlison, MDiv, PhD, (1949-2019) was a teacher, counselor, and the executive director of the Christian Counseling & Educational Foundation (CCEF). He wrote many books and minibooks, including Speaking Truth in Love, Seeing with New Eyes, The Biblical Counseling Movement: History and Context, Good and Angry: Redeeming Anger, Irritation, Complaining, and Bitterness, Making All Things New: Restoring Joy to the Sexually Broken, God's Grace in Your Suffering, and Safe and Sound. David was also the editor of The Journal of Biblical Counseling.

Krista Dunham has served as a women's mentor, biblical counselor, and curriculum developer for various women's and children's ministries. She has a degree in early childhood education from Ohio University. Krista and her husband David have three children.