Dennis Bakke is an American CEO and business entrepreneur. He is the Co-founder of Imagine Schools, the largest commercial manager of charter schools in the United States. He is the author of The Decision Maker: Unlock the Potential of Everyone in Your Organization, One Decision at a Time and the New York Times bestseller Joy at Work: A Revolutionary Approach to Fun on the Job. Dennis previously co-founded and served as President and CEO of AES, a Fortune 200 global power company. He invested $155 million of the fortune he had made as CEO of AES into co-founding, with his wife Eileen, Imagine Schools charter school network. Dennis and Eileen live in Arlington, Virginia.