University of New Hampshire, Durham, NH, Instructor, Department of Mathematics
Assistant Professor of Mathematics
Associate Professor of mathematics
Professor of System Research
Director, Complex Systems Research Center
Director, Institute for the Study of Earth, Oceans and Space
NASA Advisory Council
Space and Earth Science Advisory Committee
Chairman, Senior Science Advisory Panel
Advisory Council, Jet Propulsion Laboratory
Chair, Committee Earth Science
NOAA
Chair, Administration Research Review Team
Climate Central, Princeton, NJ
Executive Director
