The building is owned by the Empire State Realty Trust, of which Anthony Malkin serves as Chairman, CEO and President. In 2010, the Empire State Building underwent a $550 million renovation, with $120 million spent to transform the building into a more energy efficient and eco-friendly structure. The Empire State Building is the tallest Leadership in Energy and Environmental Design (LEED)-certified building in the United States, having received a gold LEED rating in September 2011.