Upon his father's retirement, he became president of the family business.
Prior to joining the Eisenhower administration, Mueller served in multiple posts at the Department of Commerce. In 1956, Mueller was charged with the heading of the Division of Domestic Affairs, and in 1958, he was elevated to deputy secretary, the number two position in the bureau.
Personal life
He married the former Mary Darrah on November 6, 1915; they had two children, Marcia Joan and Frederick Eugene Mueller.
Death
Mueller died in Grand Rapids, Michigan, on August 31, 1976, at age 82. He is interred in Graceland Mausoleum in Grand Rapids.
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