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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 Internatinal Council of Scientific Unions Charles Erkelens

Charles Erkelens

OfficerTrustee/director

Operations Director at Internatinal Council of Scientific Unions

Fiscal year ended December 31, 2020. Published on January 24, 2026.

$275,797
2020

Total compensation

Charles Erkelens has been listed as an employee of Internatinal Council of Scientific Unions in Form 990 filings since fiscal year 2017. Total compensation for Charles Erkelens has increased by 15.8% from 2017 to 2020.

Annual compensation details

$275,797
+16.5%
Operations Director
2020
$276k
35 hrs/wk
$236,675
+0.3%
Operations Director
2019
$237k
35 hrs/wk
$235,914
-0.9%
Operations Director
2018
$236k
35 hrs/wk
$238,150
Operations Director
2017
$239k
35 hrs/wk

Total compensation by year

Compare the compensation of Charles Erkelens to:

Revisions to this profile

January 24, 2026:
2020 Internatinal Council of Scientific Unions 990 published
January 24, 2026:
2019 Internatinal Council of Scientific Unions 990 published
January 24, 2026:
2018 Internatinal Council of Scientific Unions 990 published

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2020

Other employees at Internatinal Council of Scientific Unions

Heide Hackmann
Executive Director
$362,192
$362,192 No related compNo other comp
Mathieu Denis
Science Director
$218,244
$218,244 No related compNo other comp
Mary Brennan
Administrative Officer
$149,523
$149,523 No related compNo other comp
Yun-Kang Ahn
Information Technology Officer
$131,561
$131,561 No related compNo other comp
Alexandre Guennec
Head of Human Ressources
$91,102
$91,102 No related compNo other comp
Lucilla Spini
Head of Science Programmes
$65,981
$65,981 No related compNo other comp