Warren Wendel Wiersbe (May 16, 1929 – May 2, 2019) was an American pastor, Bible teacher, conference speaker and a prolific writer of Christian literature and theological works.
Born in East Chicago, Indiana, Wiersbe is perhaps best known for his series of 50 books in the "BE" series: Be Real, Be Rich, Be Obedient, Be Mature, Be Joyful, etc.