Student Brigham Young College, 1905-1909. Doctor of Laws, University Utah, 1943, Utah State University, 1963.
Organized Eccles Investment Company, a holding company for interests in family estate, 1916, vice president, general manager until 1929, president, 1929-1971. President First National Bank of Ogden and Ogden Savings Bank, and successor banks, 1920-1934. Organizer First Security Corporation, owning and operating banks in Utah, Idaho and Wyoming, president, 1928-1934, chairman, 1952-1975, honorary chairman, 1975-1977.
Chairman First Security Bank of Utah, National Association, 1955-1970, senior director. Honorary chairman Amalgamated Sugar Company. Honorary chairman Utah International Inc.
Assistant to Secretary Treasury, 1934. Governor Federal Reserve Board, 1934-1936. Board of Governors Federal Reserve System, 1936-1951, Chairman of the Board Governors, 1936-1948.
Member board Economics Stabilization, 1942-1946. United States delegate to Bretton Woods Conference, 1944. Member of national advisory council on International Monetary and Financial Problems, 1945-1948.
Advisory board Export-Import Bank, 1945-1948. Member National Commission Money and Credit, 1958-1961, World Population Emergency Campaign. Trustee emeritus American Assembly, 1959-1977.
Sponsor Atlantic Council, 1962-1977. Member National Committee on United States-China Relations. Member Executive Committee National Citizens Committee Concerned About Deployment of American Business Media.
Elector Hall of Fame, since 1940. Board of directors Planned Parenthood World Population.
Member Utah Bankers Association (president 1924-1925), Sigma Chi. Clubs: Pacific Union, World Trade, Commonwealth, Golf (San Francisco).
Married May Campbell Young, July 9, 1913.; married second, Sara Madison Glassie, December 29, 1951. Children: Marriner Campbell (deceased), Mistress Eleanore May Steele, John David.