 He grew the business, Aurora Gasoline, into one of the largest gas station chains in the Midwest before selling the business in 1959 to Marathon Oil, after serving for 27 years as its chair.Following the sale of Aurora to Marathon Oil for $40 million, Fisher invested his fortune in real estate after retiring from business in 1963 where he sat on the board of Comerica, the consumer and investment bank, Sotheby's, and United Brands, in addition to serving as the Honorary Chairman of United Jewish Communities (UJC), Council of Jewish Federations, and the American Jewish Committee.He supported Jewish and general causes worldwide and played a major role in almost every major Jewish communal organization.