Partially, he has made his apprenticeship with Frank Rosenthal. Finally, he "dethroned" him. He is now chairman of Mirage Resorts, that includes the largest hotel in the world, MGM Grand. Some of his success is linked to the name of E. Parry Thomas, known as the only banker in town, at that time, who would loan money to build a casino. Rosenthal himself describes him as a "a very skilled mind".