NASA Committee Positions:
Member, Science Executive Committee, EOS
Chair, Science Executive Committee, EOS
Chair, Climate and Hydrology Panel, EOS
Member, Earth Science and Applications Advisory Committee
Chair, Earth Science and Applications Advisory Committee
Member, Earth Science and Applications Advisory Committee
Testimony, Committee on Science, U.S. House of Representatives
Member, Director’s Advisory Committee, NASA Goddard Space Flight Center
Chair, Screening Committee, Director of Earth Sciences, Goddard Space Flight
Member, Earth Science and Applications Advisory Committee
Chair, NASA Senior Review for the Earth Sciences

Current Position:
Director, National Center for Atmospheric Research