At American Express, he was Chief Economist and Executive Director and Editor of "The Amex Bank Review" where he pioneered much of the new work on country risk analysis in international finance.
At American Express, he was Chief Economist and Executive Director and Editor of "The Amex Bank Review". During this time he also worked with the Group of Thirty (G30) on regulation where he pioneered much of the new work on country risk analysis in international finance.