Jerry Bridges (1929-2016) served for over sixty years on the staff of the Navigators. He authored fifteen books and five devotionals, including The Pursuit of Holiness, which has sold over a million copies. Bob Bevington (OD, Ohio State University) served as an optometrist for two decades while simultaneously cofounding several entrepreneurial start-up companies, including a LASIK provider with eighteen locations. He is a writer, editor, and the coauthor (with Jerry Bridges) of Bookends of the Christian Life.