Bob Gresh is the author of "Who Moved the Goalpost?: 7 Winning Strategies in the Sexual Integrity Gameplan." He and his wife, Dannah, founded Pure Freedom a ministry which offers interactive retreats and materials that equip youth to live a life of sexual purity. Bob has written articles for Focus on the Family's Breakaway magazine for teen boys and has been a feature guest on many radio stations across the country. Bob is the administrator of a Christian school and lives in State College, PA with his wife and their two children, Rob and Lexi.