Nathaniel Keohane is President of the Center for Climate and Energy Solutions (C2ES), which is widely recognized in the United States and internationally as a leading, independent voice for practical policy and action to address the world’s energy and climate challenges. Dr. Keohane is an economist with more than 20 years of energy and environmental policy experience in academia, government, and the non-profit sector, most recently as Senior Vice President for Climate with the Environmental Defense Fund (EDF), where he led EDF’s research and policy advocacy on climate change in the United States and globally. In 2011-2012, Keohane served in the White House as Special Assistant to the President for Energy and Environment in the National Economic Council and Domestic Policy Council, helping to shape administration policy on energy and environmental issues. He previously directed economic policy and analysis at EDF, working to enact comprehensive cap-and-trade legislation in Congress. From 2001-2008, Dr. Keohane was an Assistant and then Associate Professor of Economics at the Yale School of Management. He received a Ph.D. from Harvard University and a B.A. from Yale College.