On the recommendation of John Maynard Keynes, he became the United Kingdom Treasury representative in Washington, D.C., as Counsellor and economic adviser at the British Embassy, 1939–46, and was one of the five members of the UK delegation to the Bretton Woods Conference, which gave birth to the International Monetary Fund and the World Bank.
[citation needed] Among many books, Opie is perhaps most famous for his translation of The Theory of Economic Development: An Inquiry into Profits, Capital, Credit, Interest, and the Business Cycle (part of the Harvard Economic Studies series) by Joseph A.
[1] He moved to Mexico, becoming a naturalized Mexican, where he founded Ecanal in 1976.
Ecanal is currently a source of critical analysis of economic and government policy useful for business.
The sole remaining partner of Ecanal is now Rogelio Ramirez de la O.