Robertson McQuilkin is a homemaker, conference speaker, and writer. He served as president of Columbia Bible College and Seminary (now Columbia International University) from 1968 to 1990. While there, his many responsibilities included teaching ethics and hermeneutics. Prior to assuming duties at Columbia, he and his wife, Muriel, served as missionaries to Japan for 12 years (1956–1968). Dr. McQuilkin's books include An Introduction to Biblical Ethics; Understanding and Applying the Bible; The Great Omission; Free and Fulfilled: Victorious Living in the 21st Century; Life in the Spirit; and A Promise Kept.