With firm Harris Forbes & Company. New York City, 1918-1934. With First Boston Corporation, 1934-1962, Chairman of the Board, 1952-1962.
Director various corporations, 1931-1962. President, chairman international Bank of Reconstrn. and Development (World Bank), also International Development Association Washington, 1963-1968. Chairman of the Board, president International Finance Corporation 1963-1968.
Director Spruce Falls Power and Paper Limited company, First Boston Corporation, Kaiser Industries Corporation, New York Times Chairman, New York State Urban Development Corporation, from 1968. International Executive Service Corps, from 1968. Chairman, Trustee Henry J. Kaiser Family Foundation.
Member of the board Notre Dame U. Member board directors Lincoln Center for Performing Arts, Inc., Kaiser Foundation Hosps. Chairman of the Board Repertory Theater of Lincoln Center, Inc.
Trustee Rockefeller Foundation, New York Foundation, John Fitzgerald Kennedy Library, Inc.