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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 Horatio Alger Endowment Fund Margaret Slipek

Margaret Slipek

Highest compensated employee

Senior Manager of Membership Programs at Horatio Alger Endowment Fund

Fiscal year ended December 31, 2023. Published on January 25, 2026.

$271,890
2023

Total compensation

Margaret Slipek has been listed as an employee of Horatio Alger Endowment Fund in Form 990 filings since fiscal year 2020. Total compensation for Margaret Slipek has increased by 35.8% from 2020 to 2023.

Annual compensation details

$271,890
+17.8%
Senior Manager of Membership Programs
2023
$223k
33.5 hrs/wk
$50k
--
$230,726
+10.7%
Manager Editorial Services
2022
$188k
34.5 hrs/wk
$44k
--
$208,418
+4.1%
Manager Editorial Services
2021
$169k
34.5 hrs/wk
$41k
--
$200,222
Manager Editorial Services
2020
$164k
34.5 hrs/wk
$37k
--

Total compensation by year

Compare the compensation of Margaret Slipek to:

2023

Other employees at Horatio Alger Endowment Fund

Terrence J Giroux
Executive Director
$1,491,679
$0 $1,037,106 $454,573
Constantine G Katsaraskis
Chief Operating Officer
$414,530
$0 $329,397 $85,133
John B Thornburg
Chief Financial Officer
$296,782
$0 $247,609 $49,173
Debra J Stancil
Manager of Nominations
$170,797
$0 $119,417 $51,380
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Revisions to this profile

January 25, 2026:
2023 Horatio Alger Endowment Fund 990 published
January 25, 2026:
2022 Horatio Alger Endowment Fund 990 published
January 25, 2026:
2021 Horatio Alger Endowment Fund 990 published

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