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