After moving to
New York City in the 1930s, he enrolled at
New York University for a master's degree in architecture and got a job with the architecture firm
Shreve, Lamb & Harmon, designers of the
Empire State Building. In 1945, Yamasaki moved to
Detroit, where he was hired by
Smith, Hinchman & Grylls. The firm helped Yamasaki avoid
internment as a Japanese-American during
World War II, and he himself sheltered his parents in
New York City. Yamasaki left the firm in 1949, and started his own partnership. He founded his own firm in suburb of Detroit in 1957. One of the first projects he designed at his own firm was Ruhl's Bakery at 7 Mile Road and Monica Street in Detroit. He died in Detroit Michigan in 1986 due to stomach. His firm,
Yamasaki & Associates, closed on December 31, 2009 due to unpaid debts. The Firm has revived in 2017 and now is running in Fisher Building.