Yamasaki & Associates

Yamasaki Associates, Inc. (also as Minoru Yamasaki Associates, Inc. before 1986) was an architectural firm based in Troy, Michigan. Its founder, Minoru Yamasaki, was well known for his design of the twin towers of the World Trade Center.

Yamasaki Associates, Inc.
Founded1955; 66 years ago (1955)
FounderMinoru Yamasaki
Defunct2009 (2009)
Headquarters900 Tower Drive, Suite 190, ,
Number of locations
Dubai - satellite office
Area served
United States, Europe, Middle East, Asia, South America
Key people
Minoru Yamasaki (Founder)
Ted Ayoub (CEO)
Lee Yesh (CFO)
Servicesarchitecture, design, interior architecture, planning, programming, site analysis, space planning, master planning, project management, cost management
Revenue$5-10 million
Number of employees
100 (2007)
20 (2009)


Founded in 1955, the firm designed mainly commercial and residential towers in the United States. After 1987, the firm worked overseas on projects in Azerbaijan, Brazil, China, India, South Korea, Spain and Turkey. Cevahir Istanbul, Harvard University and Carleton College are the only non-office tower project worked on. In total, the firm was involved in 43 projects during its existence.[1]


The firm laid off the last of its employees on December 31, 2009 and ceased operations in January 2010. Following the collapse of the credit market in 2007 the firm faced serious shortfalls in revenue as various real estate projects were canceled.


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