Dr. Greg Smalley is President of Smalley Marriage Institute, a marriage and family ministry located in Branson, Missouri. He also serves at the Chairman of the Board of the National Marriage Association. Greg earned his doctorate degree in clinical psychology from Rosemead School of Psychology at Biola University in Southern California. He also holds two masters degrees: one is in counseling psychology from Denver Seminary and the other is in clinical psychology from Rosemead School of Psychology. 

Greg has published over 100 articles on parenting and relationship issues for Living with Teenagers, Shine, Homes of Honor, Christian Parenting Today, ParentLife, HonorBound, and Branson Living. He and his father, Gary Smalley, are the coauthors of a book for parents of teenagers, Bound By Honor. He is also the coauthor of the books Winning Your Wife Back, Winning Your Husband Back, and The Men's Relational Toolbox, which was coauthored with his dad, Gary, and his brother, Michael. Greg and his wife, Erin also coauthored Plan Your Marriage. Greg and Erin have three children.