The NYC's World Financial Center Architect is Cesar Pelli, a renowned Argentine-American architect. He is known for his modern designs and has designed some of the world's tallest buildings, including the Petronas Towers in Kuala Lumpur, Malaysia. He was also the architect behind the World Financial Center in New York City, which was completed in 1988. Pelli's design for the World Financial Center was praised for its innovative use of materials and its integration with the surrounding landscape.