David Siegel is a prominent American real estate developer and entrepreneur, best known for founding Westgate Resorts, one of the largest timeshare resort companies in the world. He has played a significant role in the growth of the timeshare industry, focusing on luxury vacation properties across the United States. In addition to his work in real estate, Siegel gained public attention through the 2012 documentary The Queen of Versailles, which chronicles his family's life while they were building one of the largest private homes in America. His business acumen and ambitious projects have made him a notable figure in the real estate sector.