Mark and Patricia Roser started Uttermost Missions in 1986, and have worked in international missions for over thirty years. In Zimbabwe, they served year-round for twenty-two years, pioneering and pastoring churches, developing curriculum and administrating a four-year Bible school, undertaking relief work, conducting crusades and broadcasting on the radio. They founded Lighthouse Christian Church in Chitungwiza, it grew to a thousand members in ten years. Mark also took over a two-year Bible school with fifty three students and in the space of five years developed it into a four-year degree program with two hundred and forty students. Mark has a doctorate in Biblical Studies from Logos Graduate School and a master's degree from Baptist Christian University. He has written three other books: The Cleansing of the Heavens, foreword by C. Peter Wagner, The Unsealed Book, and God's Sovereignty.
Pat Roser has a bachelor's in Education from Xavier University and a two year diploma in Christian Counselling. She is a motivational speaker and conducts seminars on marriage, raising children and living in wholeness. Pat loves the African bush and has enjoyed creating homes, designing, painting and using decorative art.