Began in coal business, 1896, later head of Brown & Brown Coal Company, Detroit. Chairman of the Board Broadway National Bank & Turst County, New York City. President Broadway National County, New York City, 1929-1930.
President People’s Ice Company, Detroit, 1903-1910. President General Necessities Corporation, Detroit, 1911-1929. President David A. Brown, Inc., New York City.
President public The American Hebrew, 1930-1935. National chairman American Jewish Relief Campaign, 1921-1922, United Jewish Campaign, 1925-1928. Chairman finance committee Hebrew Union College.
Chairman finance committee Union of Hebrew Congregations, 1924-1935. Member board American-Jewish Joint Distribution Committee, 1920-1937, Palestine Economic Corporation, 1926-1936. Member Jewish Agency for Palestine.
President American Friends of China. United States chairman China Famine Relief, 1928-1933.