John C. Maxwell

John C. Maxwell
John Calvin Maxwell is an American author, speaker, and pastor who has written many 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 millions of copies, with some on the New York Times Best Seller List. Διαβάστε περισσότερα...