IIASA's first director, Howard Raiffa, and first Council chair, Jermen Gvishiani were first in a series of distinguished scientists who have held these posts at IIASA.
Past Council chairs
Academician Jermen Gvishiani† (Oct. 1972-June 1987)
Academician Vladimir Mikhalevich† (June 1987-May 1992)
Professor Wolf Häfele† and Professor Yoichi Kaya* (June 1992-Nov. 1992)
Academician Gueorgui Golitsyn (Nov. 1992-June 1997)
Professor Kurt Komarek†** (June 1997-Nov. 1998)
Professor Arne Jernelöv (Nov. 1998-Nov. 2000)
Professor Kenji Yamaji*** (Nov. 2000-Nov. 2003)
Professor Simon Levin (Nov. 2003-Dec. 2008)
Professor Peter Lemke (Dec. 2008-Nov. 2014)
Professor Don Saari (Nov. 2014-June 2017)
Academician Alexei Gvishiani*** (June 2017-Sept. 2017)
* Acting Co-Chair
** Interim Chair
*** Acting Chair
Past directors
Howard Raiffa† (1972-1975)
Roger Levien (1975-1981)
C.S. Holling† (1981-1984)
Thomas H. Lee† (1984-1987)
Robert H. Pry† (1987-1990)
Peter E. de Jánosi† (1990-1996)
Gordon J. MacDonald† (1996-2000)
Arne B. Jernelöv* (2000-2002)
Leen Hordijk (2002-2008)
Sten Nilsson* (2008-2009)
Detlof von Winterfeldt (2009-2012)
Pavel Kabat (2012-2018)
Nebojsa Nakicenovic* (2018)
* Acting Director