NASA Office of Earth Science
NASA Associate Administrator
UCSD/Scripps Oceanography
Professor and Prof emeritus
Christ's College and Centre for Science and Policy University of Cambridge
Distinguished Visiting Scholar
Scripps Institution of Oceanography
Professor
UC San Diego
Founder, Environment and Sustainability Initiative
UCLA
Distinguished Professor, Dept. Chair, Executive Vice-Chancellor
National Aeronautics and Space Administration (NASA)
Associate Administrator
Scripps Institution of Oceanography
Distinguished Professor
Harvard College
Princeton University
