Born on 21 April1966 in Ridgewood, New Jersey
Highschool Diploma, Hinsdale Central, Illinois
1984 to 1988
Bachelor of Arts, Indiana University, Bloomington
1989 to 1992
Master studies in International Affairs, School of International Service, The American University, Washington, D.C.
Program Coordinator, Natural Resources Defense Council (NRDC), Washington, D.C.
Coordinator, Cities for Climate Protection Campaign ICLEI, Freiburg
1994 to 1998
Coordinator, US Climate Action Network (USCAN), Washington, D.C.
1996 to 1997
Bosch Fellow with focus on the Ministry for the Environment, Bonn (exempted from USCAN)
1998 to 2006
Director Global Climate Campaign, WWF International, Washington D.C./Berlin
2006 to 2009
Director, Global Climate Program, Third Generation Environmentalism (E3G), London/Berlin
2009 to 2016
Global Director, Climate Program, World Resources Institute (WRI), Washington D.C.
2010 to 2017
Member of the Scientific Advisory Board of the Potsdam Institute for Climate Impact Research (PIK)
2013 to 2016
Member of the German Council for Sustainable Developement
2016 to 2022
Executive Director, Greenpeace International (GPI), Amsterdam
State Secretary and Special Envoy for International Climate Action at the Federal Foreign Office