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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 University of South Dakota Foundation Jon Mammenga

Jon Mammenga

Highest compensated employee

Executive Director of Planned Giving at University of South Dakota Foundation

Fiscal year ended December 31, 2018. Published on January 24, 2026.

$150,207
2018

Total compensation

Jon Mammenga has been listed as an employee of University of South Dakota Foundation in Form 990 filings since at least fiscal year 2016. Total compensation for Jon Mammenga has increased by 22.8% from 2016 to 2018.

Annual compensation details

$150,207
+6.5%
Executive Director of Planned Giving
2018
$137k org
40 hrs/wk
$14k other
--
$141,100
+15.4%
ASS Vice President for Development
2017
$128k org
40 hrs/wk
$14k other
--

Total compensation by year

Compare the compensation of Jon Mammenga to:

2018

Other employees at University of South Dakota Foundation

Steve Brown
President and Chief Executive Officer
$319,799
$281,997 from orgNo related comp$37,802 other
Christine Tjelmeland
Chief Financial Officer
$224,425
$199,095 from orgNo related comp$25,330 other
Nick Kotzea
Chief Governance Officer and Legal Counsel
$164,479
$153,359 from orgNo related comp$11,120 other
Cynthia Whitney
Executive Director of Philanthropy
$141,678
$125,176 from orgNo related comp$16,502 other
Michelle Green
Vice President for Constituent Engagem
$137,542
$123,648 from orgNo related comp$13,894 other
Edgar Storey
Director of Development,Usd School of Medicine
$131,231
$123,829 from orgNo related comp$7,402 other
Andrew Carr
Director of Althletic Development/Associate Athlet
$121,750
$108,243 from orgNo related comp$13,507 other
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Revisions to this profile

January 24, 2026:
2018 University of South Dakota Foundation 990 published
January 24, 2026:
2017 University of South Dakota Foundation 990 published
January 24, 2026:
2016 University of South Dakota Foundation 990 published

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$122,291
Associate Vice President for Development
2016
$111k org
40 hrs/wk
$13k other
--

Other people named Jon Mammenga

2018
Employee
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Children's Home Foundation
$191,890
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Jon Mammenga
Hayward Memorial Testamentary Trust
$0