 He then became president and a director of International Petroleum Company, Limited, responsible for parts of South America.In 1959 he was elected an Exxon director, then vice president and director for Latin America (1960), and executive vice-president and member of the Executive Committee (1961).In 1963 he was elected president and vice chairman of the Executive Committee, and in 1965 he became chairman of the board and chief executive officer until his retirement in 1969.