PEI Architects, formerly Pei Partnership Architects, is an international architecture firm based in New York City. Co-founded by the sons of I. M. Pei, Chien Chung (Didi) Pei and Li Chung (Sandi) Pei, in 1992, PEI Architects has specialized in high-profile projects including museums, healthcare facilities, commercial buildings, and high-rise residential towers, as well as urban masterplans and waterfront parks, in North America, Asia, Europe, Africa, and the Middle East. Major projects have included the Chinese Embassy in Washington, D.C., the Bank of China Head Office in Beijing, the Suzhou Museum, the Centurion luxury condominium in New York City, and many others.

PEI Architects - Wikipedia