| 1988 | Bachelor of Arts, Political Science, German, French, Italian, Indiana University, Bloomington, IN |
| 1992 | Master of Arts: International Affairs, American University, Washington, D.C |
| 1994-1998 | Coordinator, US Climate Action Network, Washington, D.C. |
| 1998-2006 | Director, Global Climate Campaign, WWF - Worldwide Fund for Nature, Washington D.C.; Berlin |
| 2006-2009 | Director, Global Climate Program, E3G - Third Generation Environmentalism, London |
| 2009-2016 | Global Director, Climate Program, World Resources Institute, Washington D.C.; Berlin |
| since 2016 | Executive Director, Greenpeace International, Amsterdam |
| 2009-2012 | Guest Researcher, Transnational Conflicts and International Institutions, WZB - Berlin Social Science Center |
| 2012-2013 | Project Scientist, IASS - Institute for Advanced Sustainability Studies, Potsdam |
| 2013-2015 | Academic Officer and Co-Leader, Interdisciplinary Research Microcosm on Climate Engineering, IASS |
| since 2015 | Program Leader, Emerging Technologies and Social Transformations in the Anthropocene, IASS |
| 2017 | Oxford Martin Visiting Fellow, InSIS - Institute for Science, Innovation and Society, University of Oxford |
| since 2017 | Research Group Leader, Climate Engineering in Science, Society and Politics, IASS |
| 2002 | Joint BA in Environmental Science and Public Policy, and Economics Harvard University, Cambridge, MA |
| 2003 | MA in Economics, Stanford University, CA |
| 2006 | MA in Economy and Government, Harvard University, Cambridge, MA |
| 2007 | PhD in Political Economy and Government, Harvard University, Cambridge, MA |
| Leader Writer Team, Peter Martin Fellow, Financial Times, London |
| 2007-2008 | Consultant, The Boston Consulting Group, New York |
| 2011-2012 | Adjunct Assistant Professor, Columbia University, New York |
| 2012-2016 | Adjunct Associate Professor, Columbia University, New York |
| 2016 | Adjunct Associate Professor, Leonard N. Stern School of Business, New York University |
| 2008-2013 | Economist, Environmental Defense Fund New York, New York and Boston, MA |
| 2013-2014 | Senior Economist, Environmental Defense Fund New York, New York and Boston, MA |
| 2014-2016 | Lead Senior Economist, Environmental Defense Fund New York, New York and Boston, MA |
| since 2016 | Research Associate and Lecturer, Harvard University, Cambridge, MA |
