His current projects include The Ronald O. Perelman Performing Arts Center at the World Trade Center in New York;[2] the Mercedes-Benz Future Lab and Museum in Stuttgart; the new performing arts center for Brown University in Providence, Rhode Island; 2050 M Street,[3] a premium office building in Washington, DC that will host CBS's Washington Bureau; PERTH+,[4] a 60-story mixed-use tower in Western Australia; and the Necklace Residence[5] on Long Island. In the fall of 2017, REX completed the transformation of Five Manhattan West,[6] the re-cladding and interior renovation of a 160,000 m2 exemplar of late-Brutalism straddling Penn Station's rail yard in New York City.