IIASA is led by Director General Hans Joachim (John) Schellnhuber, a pioneering climate scientist, and Deputy Director General Karen Lips, an internationally recognized ecologist. Their vision and expertise shape the Institute’s response to today’s most complex global challenges, guiding research and policy engagement while their participation in key events and presence in the media highlight IIASA’s global impact.

Picture of John Schellnhuber

Hans Joachim ('John') Schellnhuber currently serves as the twelfth IIASA Director General. Read more

Karen Lips

Karen Lips joined IIASA as Deputy Director General on 1 July 2024. Read more