Dr. Elmar Kriegler is a senior scientist at the Potsdam Institute for Climate Impact Research (PIK), deputy chair of the Research Domain “Sustainable Solutions”, and head of the integrated assessment modeling activities at PIK. His research focuses on the integrated assessment of climate change, scenario analysis and decision making under uncertainty. He has coordinated several international integrated assessment modeling projects such as AMPERE and EMF27 and has been a core developer of the Shared-Socio-economic Pathways (SSPs) underlying the new scenarios for climate change research. He has been a lead author for the Chapter on Transformation Pathways in the Fifth Assessment Report of Working Group 3 of the IPCC and is currently serving as a lead author for the Chapter on 1.5°C Mitigation Pathways in the IPCC Special Report on 1.5°C Warming. Elmar Kriegler earned a diploma in Physics at the University of Freiburg, and a Ph.D. in Physics at the University of Potsdam, Germany. He was a Marie Curie Fellow at the Department of Engineering and Public Policy at Carnegie Mellon University.