John C. Maxwell

John Calvin Maxwell (born 1947) is an evangelical Christian author, speaker, and pastor who has written more than 50 books, primarily focusing on leadership. Titles include The 21 Irrefutable Laws of Leadership and The 21 Indispensable Qualities of a Leader: Becoming the Person Others Will Want to Follow. His books have sold more than twelve million copies, with some on the New York Times Best Seller List, and translations in over fifty languages.