Stefan Rahmstorf is professor of Physics of the Oceans at Potsdam University and Co-Head of Research Department on Earth System Analysis at the Potsdam Institute for Climate Impact Research (PIK) in Germany.

He is a Clarivate Highly Cited Researcher and has published over 140 scientific papers (30 of which appear in the journals Nature, Science and PNAS), and has co-authored four books, two of which are in English (Our Threatened Oceans and The Climate Crisis).

Rahmstorf was a lead author of the 4th Assessment Report of the IPCC and advised the German government from 2004-2013 in the German Advisory Council on Global Change (WBGU). In 2007 he became an Honorary Fellow of the University of Wales and in 2010 a Fellow of the American Geophysical Union. In 2017 he was the first scientist outside the US to be awarded the Climate Communication Prize of the American Geophysical Union. He co-founded the Realclimate.org blog as well as the German blog KlimaLounge. Rahmstorf regularly comments in the German news magazine Der Spiegel and is Europe’s most-followed climate scientist on Twitter.