Louis Uccellini, an AMS Member, a Fellow of the AMS, and AMS President for 2012, is National Oceanic and Atmospheric Administration Assistant Administrator for Weather Services and Director of the National Weather Service in Silver Spring, Maryland. He is responsible for the day-to-day civilian weather operations for the United States, its territories, adjacent waters and ocean areas. Prior to this position, he was Director of the National Centers for Environmental Prediction in Camp Springs, Maryland for 13 years where he was responsible for directing and planning the science, technology and operations related to NCEP's nine centers: Central Operations, the Environmental Modeling Center, the Ocean Prediction Center, the Hydrometeorological Prediction Center, and the Climate Prediction Center, all in Camp Springs, Maryland; the National Hurricane Center in Miami, Florida; the Storm Prediction Center in Norman, Oklahoma; the Space Weather Prediction Center in Boulder, Colorado; and the Aviation Weather Center in Kansas City, Missouri. Before directing NCEP, Dr Uccellini was the Director of the NWS Office of Meteorology from 1994 to 1999; Chief of the NWS Meteorological Operations Division from 1989 to 1994; and Section Head for the Mesoscale Analysis and Modeling Section in the Goddard Space Flight Center's Laboratory for Atmospheres from 1978 to 1989. Dr Uccellini has PhD (1977), MS (1972) and BS (1971) degrees from the University of Wisconsin—Madison. He has has published a large number of journal articles and chapters in books on subjects including analysis of severe weather outbreaks, snowstorms, gravity waves, jet streaks, cyclones and the use of satellite data in analysis and modeling applications. He is the co-author of a widely acclaimed book, Snowstorms Along the Northeastern Coast of the United States: 1955 to 1985, which was published by the American Meteorological Society in 1990; and he authored a chapter in the 1999 AMS publication, The Life Cycles of Extratropical Cyclones that provides a historical review of advances in forecasting extratropical cyclones at NCEP. Also, in the Fall of 2004, a new two-volume book: Northeast Snowstorms, co-authored by Dr Uccellini, was published by the American Meteorological Society. Dr Uccellini has received numerous awards in recognition of his research and operational achievements including the Maryland Academy of Sciences Distinguished Young Scientist Award (1981), the NASA Medal for Exceptional Scientific Achievement (1985), the American Meteorological Society's prestigious Clarence Leroy Meisinger Award (1985), and the National Weather Association's Research Achievement Awards for Significant Contributions to Operational Meteorology (1996). He was honored with the Presidential Rank Award for Meritorious Senior Executive in 2001 and the Presidential Rank Award for Distinguished Executive Service in 2006.