Program Director, Arctic Natural Sciences
Alexandria, Virginia
National Science Foundation
Program Director, Arctic Natural Sciences
National Science Foundation
Program Director, Integrative Activities
National Science Foundation
Senior Science Advisor, Global Climate Change
Oxford Research Encyclopedia of Climate Science
Editorial Board
National Science Foundation
Program Director Climate and Large-Scale Dynamics
National Science Foundation
Section Head, Atmosphere Section, Division of Atmospheric and Geospace Sciences, Geosciences
U.S. Department of State
Embassy Science Fellow
National Science Foundation
Division Director (Acting), Division of Atmospheric and Geospace Science, Directorate of Geosciences
National Science Foundation
Division Director, Division of Atmospheric and Geospace Sciences
American Meteorological Society
President-Elect
George Mason University
Indian Institute of Technology, Bombay
