Architecture Firm
Appears in 1 story · Last updated May 28, 2026
As of May 2026: Lead architect
For 60 years, the Union Carbide Building stood at 270 Park Avenue—a 52-story modernist landmark designed by pioneering woman architect Natalie de Blois. JPMorgan Chase demolished it and built something nearly twice as tall: a 1,388-foot supertall skyscraper that runs entirely on hydroelectric power and houses 14,000 employees.
Updated May 27
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