Compensation 990
OrganizationsEmployeesBoard MembersGrantsContractorsTop RankingsPricing

Stay updated on 990 organization compensation

© 2026 Civic Register LLC

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.

About•Report a discrepancy•Your privacy choices
Employees Marinus and Minna B Koster Foundation Miriam Isaacs

Miriam Isaacs

Advisor at Marinus and Minna B Koster Foundation

Fiscal year ended June 30, 2024. Published on January 25, 2026.

$3,500
2024

Total compensation

Miriam Isaacs has been listed as an employee of Marinus and Minna B Koster Foundation in Form 990 filings since fiscal year 2018. Total compensation for Miriam Isaacs has increased by 75% from 2018 to 2024.

Annual compensation details

$3,500
+7.7%
Advisor
2024
$4k org
1 hr/wk
$3,250
+8.3%
Advisor
2023
$4k org
1 hr/wk
$3,000
±0%
Advisor
2022

Total compensation by year

Compare the compensation of Miriam Isaacs to:

2024

Other employees at Marinus and Minna B Koster Foundation

Rosette M Wills
President
$17,500
$17,500 from org—No other comp
Michael T Flynn
Treasurer
$17,500
$17,500 from org—No other comp
Barbara Freedman
Secretary
$17,500
$17,500 from org—No other comp
Sterling E Scroggins
Advisor
$3,500
$3,500 from org—No other comp
Loading rankings…
Loading related profiles…

Revisions to this profile

January 25, 2026:
2024 Marinus and Minna B Koster Foundation 990 published
January 25, 2026:
2023 Marinus and Minna B Koster Foundation 990 published
January 25, 2026:
2022 Marinus and Minna B Koster Foundation 990 published

Get an email update when compensation for Miriam Isaacs is updated

Related Jobs

View more jobs
Powered by Talroo
Report a discrepancy →
$3k org
1 hr/wk
$3,000
±0%
Advisor
2021
$3k org
1 hr/wk
$3,000
+20%
Advisor
2020
$3k org
1 hr/wk
$2,500
+25%
Advisor
2019
$3k org
1 hr/wk
$2,000
Advisor
2018
$2k org
1 hr/wk