Nathan Hultman is Director of the Center for Global Sustainability and Associate Professor at the University of Maryland School of Public Policy. He is also associate director of the Joint Global Change Research Institute, a collaboration between the University of Maryland and the Pacific Northwest National Laboratory. 

From 2014-2016, Hultman worked at the White House on the Obama Administration’s climate and energy policy team. During this time, he helped develop the US 2025 climate target, worked on U.S. bilateral engagements with China, India, Brazil and others, and participated in the international climate negotiations in Lima and Paris. His research focuses on national climate target-setting and assessment, U.S. emissions mitigation policy, energy technology transitions in emerging economies and international climate policy. He has participated in the UN climate process since the Kyoto meeting, and is a contributing author to the IPCC Fifth Assessment Report and Special Report on Renewable Energy. He teaches courses on climate change policy and energy policy.

Hultman is also a nonresident senior fellow at the Brookings Institution, and was a visiting fellow at the University of Oxford, assistant professor at Georgetown University, Fulbright fellow and NASA Earth Systems Science Fellow in climate sciences. He holds an M.S. and Ph.D. in Energy & Resources from the University of California, Berkeley and a B.A. in Physics from Carleton College.