Milton Friedman student and University of Chicago-trained monetary economist Warren Coats (Johns Hopkins fellow, former IMF economist and central bank advisor to over 20 countries) speaks about his beginnings as an economist as PhD student of Milton Friedman's at the University of Chicago, his 30 year career at the IMF leading central bank technical assistance developing currencies and monetary policy in countries ranging from post-USSR Eastern Europe, post-conflict Bosnia and Kosovo in the 1990s as well as Afghanistan and Iraq in the 2000s following regime change. We also discuss the future of SDRs and the US dollar as a reserve currency in the International Monetary System along with Warren's experience as chief of the IMF SDR division.