From 1964 to 1966, he was personal assistant to the manager of the Guatemala branch of the Bank of London and Montreal and from 1966 to 1970, he was manager of mergers and acquisitions of Eurofinance SA Paris.
Von 1964 bis 1966 war er persönlicher Assistent des Managers der Guatemala-Abteilung der Bank of London and Montreal und von 1966 bis 1970 war er Manager of mergers and acquisitions of Eurofinance SA Paris.