Roger Roth, Sr., has partnered with Dr. Hanby in his ministry and writing for many years. Together they oversee Mark Hanby Ministries/Fathers Heart Ministries, an internationally r...ver maisRoger Roth, Sr., has partnered with Dr. Hanby in his ministry and writing for many years. Together they oversee Mark Hanby Ministries/Fathers Heart Ministries, an internationally recognized teaching and resource center.ver menos