“Building high-rises in Manhattan is an incredibly difficult job to make a success of it,” Gary Barnett, founder and chairman of Extell, told the Business Journals. “Red tape, regulations, the time, the actual scale of building a building that tall is an exceptionally difficult thing to do. In addition to other projects in Manhattan, Extell is responsible for developments in Brooklyn, Boston, Utah, Texas and Colorado. “Look at the surrounding area; really beautiful water, wide expanse of the Hudson River, the Palisades. The property is near the Hudson River between 59th and 72nd street and it happened to be home to Trump Palace and Riverside South.