The role of the Science Advice and Review Board (SARB) - formerly Science Advisory Committee (SAC) - established by the IIASA Council in 2002, is to ensure that IIASA work continues to meet the highest standards in both scientific and policy relevant communities.

The SARB (formerly SAC) was established in 2002 by the IIASA Council – the governing body of the institute – and is tasked with ensuring that IIASA work continues to meet the highest standards in terms of both scientific merit and policy relevance.

The Science Advice & Review Board is an advisory structure constituted of independent distinguished scientists appointed by the IIASA Council with the remit of providing scientific guidance and a research assurance function for IIASA. SARB has a dual reporting line:  directly to the IIASA Executive, and indirectly to the Council  Research and Engagement Committee.

SARB members are appointed by the Council to three-year terms (for a maximum of six years), from a list of nominations solicited from IIASA Member Organizations, and the IIASA Executive. Members are selected based on their scientific and policy experience in the areas of IIASA research, with attention to balance regarding scientific disciplines, world regions, gender, and experience in global science-policy activities.

The committee meets approximately once per year, or more often if required, and the SAC Chair is invited to attend Council meetings as a guest.

Professor Yacob Mulugetta is the sixth SARB Chair, succeeding Professor John R. Birge of the University of Chicago. 

Current SARB members

Chair from January 2024 to December 2026
Professor Yacob Mulugetta
Professor of Energy and Development Policy; Department of Science, Technology, Engineering & Public Policy (STEaPP) at the University College London (UCL), UK;
Founding Member of the African Climate Policy Centre (ACPC) at the UN Economic Commission for Africa (UNECA) 
* Member from Jan 2022 to Dec 2026

Dr. Marianne Fay
Director for Argentina, Paraguay, and Uruguay
World Bank
* Member from Jan 2022 to Dec 2024

Prof. Leiwen Jiang
Founding Director and Professor, Asian Demographic Reserach Institute (ADRI), Shanghai University, China
Senior Associate, advisor for Population, Environmental Risks, and Climate Change Initiative, Population Council, New York, USA
* Member from Jan 2023 to Dec 2025

Prof. Marina Jirotka 
Professor of Human Centred Computing
Department of Computer Science
University of Oxford
*Member from Sep 2023 - Aug 2026

Prof. Barbara Keyfitz
Professor Emeritus
Department of Mathematics
The Ohio State University
* Member from Jan 2024-Dec 2026

Director of Viable Cities (a Swedish strategic innovation programme for smart and sustainable cities)
Department of Sustainable Development, Environmental Sciences and Engineering at the Royal Institute of Technology (KTH)
* Member from July 2020 to June 2026

Professor Dr. Christoph MEINEL 
Internet Technologies and Systems
University of Potsdam
* Member from July 2020 to June 2026

Professor Dr. Taikan OKI
Professor, Graduate School of Engineering
University of Tokyo
* Member from Jan 2022 to Dec 2024

Professor Ahti Salo
Professor in Systems Analysis
Systems Analysis Laboratory
Department of Mathematics and Systems Analysis
Aalto University School of Science
* Member from Jan 2023 to Dec 2025

Professor Dr. Sonia Seneviratne
Professor for Land-Climate Dynamics
Department of Environmental Systems Science,
ETH Zürich
* Member from Jan 2023 to Dec 2025

Professor Dr.  Diana Ürge-Vorsatz
Professor, Department of Environmental Sciences and Policy;
Central European University
* Member from Jan 2022 to Dec 2024

Professor Elke U. WEBER
Gerhard R. Andlinger Professor in Energy and the Environment
Professor of Psychology and Public Affairs
Princeton University
* Member from July 2020 to June 2026