Dr. John Oswald Sanders (1902–1992) was an international Christian preacher, missionary statesman, and prolific author for nearly seventy years and wrote over forty books on spiritual living. This respected Bible teacher and writer influenced Christians throughout the world for much of the twentieth century. He is primarily remembered for his Christian classic Spiritual Leadership and as the general director of Overseas Missionary Fellowship (formerly China Inland Mission). Dr. Sanders died in his native New Zealand in 1992 at the age of ninety.