IBM Somers Office Complex, Corporate office building in Somers, New York.
The IBM Somers Office Complex is a corporate office setting in New York State, composed of four interconnected buildings topped with pyramidal glass roofs on a hillside site. The architecture follows a consistent triangular motif that appears in facades, floor plans, and roof structures throughout the campus.
The complex was completed in 1989 to a design by architect I. M. Pei, bringing together scattered IBM operations from multiple Westchester County sites. It served as the company's center for global services and software development until the 2010s.
The complex represents a shift in American corporate design during the late 1980s, when technology companies moved away from traditional office towers toward campus-style environments. Its geometric forms echo the language of computing and digital precision that defined the era.
The complex sits on a hilltop in Somers and is visible from outside but not open to the public. The pyramid roofs can be spotted from a distance in clear weather and provide a landmark in the surrounding area.
Architect I. M. Pei designed very few office buildings worldwide, making this complex a rare example of his work outside museums and public institutions. The glass pyramids echo his later work at the Louvre in Paris, though these were built several years earlier.
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