The Rev. Dr. Jack and Anna Marie Sheffield both experienced a life-changing rebirth into Christ Jesus and His kingdom, and the in-filling of the Holy Spirit in 1973. Together in ministry, they continue to witness healings and miracles by God's grace and power. They help establish healing centers, particularly in San Antonio's United Methodist Hospital system. Jack is also a chaplain in the Order of St. Luke. They minister in all denominational and non-denominational churches both nationally and internationally and they have both enjoyed participating in CFO.