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. His books have sold millions of copies, with some on the New York Times Best Seller List
America's leadership expert teaches that if your life in any way connects with other people, you are an influencer. Whatever your vocation or aspiration is, you can increase your impact...
