Biography: Thomas J. Tull (born June 9, 1970) is an American billionaire businessman, entrepreneur, and film producer. He is the former chairman and chief executive officer (CEO) of Legendary Entertainment. Tull is the founder of Tulco LLC, an investment holding company that uses artificial intelligence and other technologies to guide investing. Description above from the Wikipedia article Thomas J. Tull, licensed under CC-BY-SA, full list of contributors on Wikipedia.