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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Employees International Institute for Applied Systems Analysis Dr Keywan Riahi

Dr Keywan Riahi

Highest compensated employee

Program Director at International Institute for Applied Systems Analysis

Fiscal year ended December 31, 2024. Published on January 25, 2026.

$178,029
2024

Total compensation

Dr Keywan Riahi has been listed as an employee of International Institute for Applied Systems Analysis in Form 990 filings since at least fiscal year 2016. Total compensation for Dr Keywan Riahi has increased by 28.9% from 2016 to 2024.

Annual compensation details

$178,029
-3.3%
Program Director
2024
$179k
40 hrs/wk
$184,154
+10.4%
Program Director
2023
$167k
40 hrs/wk
$19k
--
$166,817
-8.8%
Program Director
2022
$150k
40 hrs/wk
$18k
--
$183,012
+15.2%
Program Director
2021
$165k
40 hrs/wk
$19k
--
$158,850
+3.1%
Program Director
2020
$142k
40 hrs/wk
$18k
--
$154,011
-3%
Program Director
2019
$138k
40 hrs/wk
$17k
--
$158,853
+11.3%
Program Director ENE
2018
$142k
40 hrs/wk
$18k
--
$142,676
+3.3%
Program Director ENE
2017
$128k
40 hrs/wk
$16k
--
$138,149
Program Director ENE
2016
$124k
40 hrs/wk
$15k
--

Total compensation by year

Compare the compensation of Dr Keywan Riahi to:

2024

Other employees at International Institute for Applied Systems Analysis

Univprofmagdrwolfgang Lutz
Deputy Director General (END 06/24)
$393,598
$393,598 No related compNo other comp
Dr Hans Schellnhuber
Director General
$328,843
$328,843 No related compNo other comp
Mag Christiane Pohn-Hufnagl
Chief Operating Officer
$190,803
$190,803 No related compNo other comp
Petr Havlik, Ph.D.
Program Director
$181,063
$175,904 No related comp$5,159
Steffen Fritz
Program Director
$165,213
$163,099 No related comp$2,114
Dr Elena Rovenskaya
Program Director
$156,284
$153,982 No related comp$2,302
Fabian Wagner
Program Director
$141,807
$139,693 No related comp$2,114
Dr Karen Lips
Deputy Director General (BEG 7/24)
$116,659
$115,378 No related comp$1,281

Revisions to this profile

January 25, 2026:
2024 International Institute for Applied Systems Analysis 990 published
January 25, 2026:
2023 International Institute for Applied Systems Analysis 990 published
January 25, 2026:
2022 International Institute for Applied Systems Analysis 990 published

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