The pinnacle scientific award made by the institute recognizes IIASA scientists for an unwavering commitment to advancing the mandate of the institute and its work.

In 2021, the IIASA Council established the IIASA Lifetime Achievement Award to recognize the commitment of an IIASA researcher to advancing systems analysis and integrated approaches in science, science-to-policy, and policymaking. The awardees are individuals who have proven to be true flagbearers of IIASA over the course of their careers and have guided the institute in its aspiration to deliver scientific excellence in pursuit of answers to some of the complex global and universal problems faced by humanity.

The awards are made to senior IIASA researchers of exceptional distinction after formal retirement. The following have received the IIASA Lifetime Achievement Award.