Leona Helmsley was an American businesswoman, hotelier, and real estate investor who was known as the 'Queen of Mean' for her reputation of being a demanding and ruthless businessperson. She was the president and CEO of the Helmsley Hotel chain, which she co-owned with her husband Harry Helmsley. She was also the owner of several other properties in New York City, including the Empire State Building. Leona Helmsley was one of the most successful and influential hoteliers of her time.