Warren M. Washington is an American atmospheric scientist, a former chair of the National Science Board, and currently senior scientist at the National Center for Atmospheric Research (NCAR) in Boulder, Colorado. Warren Morton Washington was born in Portland, Oregon on August 28, 1936. He earned his B.S. and M.S. degrees at Oregon State University, and his Ph.D. in meteorology at Pennsylvania State University in 1964. He joined the National Center for Atmospheric Research in 1963 as a scientist and then moved through the ranks to become senior scientist in 1975. A member of the National Science Board (1995-2006) and its chair (2002-2006), Dr. Washington also served on the President’s National Advisory Committee on Oceans and Atmosphere and is active on many committees of the National Research Council. He is a member of the National Academy of Engineering, the American Philosophical Society, and the American Academy of Arts and Sciences and is past president of the American Meteorological Society. Dr. Washington was elected to the American Academy of Arts and Sciences in 2009. In 2010, President Barack Obama named Dr. Washington a recipient of the National Medal of Science, the highest honor bestowed on scientists by the government of the United States.