Hans Joachim Schellnhuber

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Hans Joachim Schellnhuber
Born	(1950-06-07) 7 June 1950 (age 74)
Nationality	German
Alma mater	University of Regensburg
Awards	German Environment Prize (2007) Volvo Environment Prize (2011) Blue Planet Prize (2017)
Scientific career
Fields	Climatology
Institutions	Potsdam Institute for Climate Impact Research University of Potsdam

Hans Joachim "John" Schellnhuber (born 7 June 1950)^[1][2] is a German atmospheric physicist, climatologist and founding director of the Potsdam Institute for Climate Impact Research (PIK) and former chair of the German Advisory Council on Global Change (WBGU).^[3] Since 1 December 2023, Schellnhuber is the Director General of IIASA.^[4]