Janos Pasztor

Residency Dates: Jan. 25-29, 2027

Janos Pasztor has spent four decades working at the intersection of energy, environment, climate change and sustainable development. Most recently, he served as Executive Director of the Carnegie Climate Governance Initiative (C2G) and Senior Fellow at the Carnegie Council for Ethics in International Affairs, where he led efforts to build effective governance for sunlight reflection methods and large-scale carbon dioxide removal until retiring in 2023. From 2015 to 2016, he was Assistant Secretary-General in the Executive Office of the U.N. Secretary-General in New York and Senior Adviser on Climate Change to Secretary-General Ban Ki-moon.

From 2012 to 2015, he was Policy and Science Director and later Acting Executive Director for Conservation at WWF International. Before that, he served as Executive Secretary of the U.N. Secretary-General's High-level Panel on Global Sustainability from 2010 to 2012 and as Director of the Secretary-General's Climate Change Support Team from 2008 to 2010. In 2007, he directed the Geneva-based U.N. Environment Management Group, and from 1993 to 2006, he held a range of roles at the U.N. Climate Change Secretariat (UNFCCC) in Geneva and Bonn. Earlier in his career, he worked with the Secretariat of the 1992 Earth Summit, the Stockholm Environment Institute, the U.N. Environment Programme in Nairobi, the Brundtland Commission, the Beijer Institute in Stockholm, and the World Council of Churches in Geneva.

He holds B.S. and M.S. degrees in Nuclear Engineering from the Massachusetts Institute of Technology (MIT).