Matsudaira then worked at Boeing as an industrial engineer and manager for several years before taking his position as executive director of the Governor's Asian American Advisory Council in 1972.
Matsudaira opened Mich's Men's Shop on Jackson Street in Seattle's International District in 1976.
[10] In 1973, he was appointed to a committee reviewing the affirmative action plan on employment opportunities of minority residents by Governor Daniel J.
[12] On February 19, 1976, he was present in the Cabinet Room when President Gerald Ford signed a proclamation nullifying Executive Order 9066.
[15][16] During his tenure, when several Japanese residents of Idaho opposed the plans by the Seattle JACL to construct a replica guard tower in Minidoka and burn it on October 13, Matsudaira claimed that the members of the Idaho JACL chapter are "not the custodians of history of Minidoka."