On 14 January 2010, WMO awarded the fifty-fourth International Meteorological Organization (IMO) Prize to Eugenia Kalnay (Argentina/United States of America), a leader in the field of global numerical weather prediction and analysis, including data assimilation and ensemble forecasting. The IMO Prize is the highest distinction of WMO. The award ceremony took place at the National Academy of Science in Washington, D.C. (USA), with the participation of Michel Jarraud, WMO Secretary-General, Alexander Bedritskiy, WMO President, and John L. Hayes, NOAA Deputy Assistant Administrator and Permanent Representative of the United States with WMO.