Prof. Dr. Klaus Töpfer
Until September 2015, Professor Dr. Klaus Toepfer was Managing Director of the Institute for Advanced Sustainability Studies (IASS) in Potsdam, which he founded. He is a former Executive Director and Undersecretary General of the United Nations Environment Programme (UNEP) in Nairobi (1998-2006), for which he has received several awards and honours.
In 2012 he was inducted into the “Kyoto Earth Hall of Fame”.
Image rights: Schulzendorff