Brian O’Neill

Director, Joint Global Change Research Institute


Brian O’Neill is Director of the Joint Global Change Research Institute, a collaboration between Pacific Northwest National Laboratory (PNNL) and the University of Maryland in College Park. Brian holds a Ph.D. in Earth Systems Science and an M.S. in Applied Science, both from New York University. His research interests are in human-earth system interactions, in particular the human dimensions of global environmental change. Previously he was a Professor at the Josef Korbel School of International Studies at the University of Denver and also served as Director of Research at the Korbel School’s Pardee Center for International Futures. He led research groups on Integrated Assessment Modeling and on Climate and Human Systems at the US National Center for Atmospheric Research (NCAR), and on Population and Climate Change at the International Institute for Applied Systems Analysis (IIASA). Early in his career he was on the science staff of the Environmental Defense Fund in New York, and an Assistant and Associate Professor (Research) at Brown University's Watson Institute for International Studies. Brian is a Convening Lead Author for the Intergovernmental Panel on Climate Change’s ongoing Sixth Assessment Report and was an author on the US Fourth National Climate Assessment.


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Division of Research
University of Maryland
College Park, MD 20742-1541
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