Dr. Compton "Jim" Tuckerâ€”a senior Earth scientist in the Laboratory for Biospheric and Hydrospheric Processes at NASAâ€™s Goddard Space Flight Centerâ€”has been assigned by NASA Headquarters to spend 50% of his time at the coordination office in FY2008. His specific responsibilities include Co-Chairing the Observations Working Group, Co-Chairing the Land-Use and Land-Cover Change Interagency Working Group (IWG), and participating in the Carbon Cycle and Ecosystems IWGs. Dr. Tucker has extensive research experience in these four areas, and has published more than 130 scientific papers in the refereed literature. He also supports development of relevant synthesis and assessment products. He is the recipient of NASAâ€™s Exceptional Scientific Achievement Medal, the Henry Shaw Medal from the Missouri Botanical Garden, the National Air and Space Museum Trophy, the William T. Pecora Award from the U.S. Geological Survey, the Mongolian Friendship Medal, and the Galathea Medal from the Royal Danish Geographical Society.