The Korff Foundation
The Korff Foundation is a private foundation based in Comstock Park, Michigan. Its 2024 filing reports grants to charitable organizations, including educational institutions, religious organizations, and health and human services organizations.
The Korff Foundation at a glance
In short: The Korff Foundation gave $487K across 80 grants in 2024 (avg $6K), mostly in Michigan. 18% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $486,650
- +34.3% vs 2023
- Grants made (2024)
- 80
- +3.9% vs 2023
- Average grant
- $6,083
- +29.2% vs 2023
- Median grant
- $3,000
- Total assets
- $7,287,179
- +4.3% vs 2023
- New grantees (estimate)
- 18% first-time grantees (14 of 80, 2024)
- Primary geography
- Michigan (56% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to The Korff Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 545 Clark Dr Nw, Comstock Park, MI 49321
Phone: (616) 301-1305
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Korff Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was Mount St Michael Academy ($50K). Together the top 10 received $240K.
Grant Size Distribution
426 grants across all recorded years
The most common grant size was under $50K: 423 grants of 426 (99%).
Geographic Focus
Where this funder awards grants
In 2024, Michigan recipients received 56% of grant dollars, followed by Arizona at 12%, New York at 11%, North Carolina at 7%, and Missouri at 5%.
Grant Distribution by State
Share of 2024 grant dollars across all 80 itemized grants.
States
Cities
Is The Korff Foundation open to new grantees?
18%
first-time grantees, 2024
In 2024, 14 of 80 grantees (18%) were first-time recipients. First grants averaged $9K; repeat grants $5K. How we count
Medians: $3K first-time, $3K repeat.
- 81% of 2024 grantees were also funded in 2023. Method
- Giving held roughly steady from 2021 to 2024 (+19%). Method
- In 2024 it paid out 124% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2024, annual grant giving ranged from $362K (2023) to $509K (2022). In 2024 it made 80 grants totaling $487K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Mount St Michael Academy Bronx, NY | Educational | $50,000 |
| Samartitan's Purse Boone, NC | Charitable | $35,000 |
| Alliance Defending Freedom Scottsdale, AZ | Religious | $25,000 |
| Hillsdale College Van Andel Graduate School of Statesmanship Hillsdale, MI | Educational | $25,000 |
| Washington University in St Louis St. Louis, MO | Educational | $25,000 |
| Hillsdale College K-12 Initiative Hillsdale, MI | Educational | $20,000 |
| Aquinas College Grand Rapids, MI | Educational | $15,000 |
| Blackstone Legal Fellowship Scottsdale, AZ | Educational | $15,000 |
| Mary Free Bed Rehabilitation Hospital Foundation Grand Rapids, MI | Charitable | $15,000 |
| St Ann's Parish and It's Missions Grand Rapids, MI | Religious | $15,000 |
Ready to take the next step with The Korff Foundation?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2024 | $7,287,179 | $908,182 | $606,981 | $486,650 | 80 | $497,887 | $805,120 | $400,237 |
| 2023 | $6,985,978 | $317,908 | $467,294 | $362,400 | 77 | $373,585 | $222,062 | $370,269 |
| 2022 | $7,135,421 | $824,055 | $617,349 | $508,600 | 85 | $1,508,863 | $725,396 | $365,006 |
| 2021 | $6,928,700 | $640,761 | $502,054 | $408,635 | 84 | $415,996 | $545,813 | $423,980 |
| 2020 | $6,789,993 | $-135,263 | $557,854 | $445,650 | 100 | — | $52,911 | $371,160 |
Under IRS private-foundation payout rules, The Korff Foundation reported a distributable amount of $400K for 2024 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2024 grants include awards recorded for educational, religious, and charitable purposes. Grantee missions illustrate the range of organizations supported: Aquinas College describes itself as an educational community rooted in the Catholic Dominican tradition, while Mary Free Bed Rehabilitation Hospital Foundation says it raises funds for hospital capital, expansion, and program improvements. Adoption Solutions of Arizona describes its work as providing support services and counseling for expectant mothers and people hoping to adopt from Arizona.
Grantmaking
In 2024, the foundation made 80 grants totaling $486,650. Grant amounts ranged from $250 to $50,000, with a median grant of $3,000. Notable grants included $50,000 to Mount St Michael Academy for educational purposes, $35,000 to Samaritan’s Purse for charitable purposes, $25,000 to Alliance Defending Freedom for religious purposes, and $25,000 to Hillsdale College Van Andel Graduate School of Statesmanship for educational purposes.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Marcae Manting as CEO/Secretary, Carrie Shelner as President/Treasurer, and Kirstin Johnson and Brienne Goubeaux as directors.
The Korff Foundation is led by Marcae Manting, CEO & Secretary on every filing since 2020; 1 of 4 officers listed in 2024 is compensated.
Officers on the 2024 filing
Marcae Manting
CEO & Secretary
On filings since 2020
No compensation reported
Carrie Shelner
President & Treasurer
On filings since 2020
20 hrs/week
$25K (2020) → $40K (2024)
Brienne Goubeaux
Director
On filings since 2020
No compensation reported
Kirstin Johnson
Director
On filings since 2020
No compensation reported
Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2024 IRS filing
The highest reported compensation on the 2024 filing was $40K, to Carrie Shelner (President/Treasurer).
Frequently asked questions about The Korff Foundation
How much does The Korff Foundation give each year?
The Korff Foundation gave $487K across 80 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $362K across 77 grants.
What is The Korff Foundation's typical grant size?
The Korff Foundation's median grant in 2024 was $3,000, and its average grant was $6,083, across 80 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from The Korff Foundation that year got $9K on average.
Where does The Korff Foundation give grants?
The Korff Foundation gives mostly in Michigan: 56% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest states were Arizona (12%) and New York (11%). The most frequent recipient cities were Grand Rapids, MI (36 grants), Lowell, MI (5 grants), Hillsdale, MI (2 grants) and Scottsdale, AZ (2 grants).
Does The Korff Foundation give general operating support?
Not in 2024: none of the 80 grants with a stated purpose on The Korff Foundation's 2024 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Charitable" (46 grants), "Educational" (26 grants) and "Religious" (8 grants).
Who are The Korff Foundation's largest grantees?
The Korff Foundation's largest 2024 grantees include Mount St Michael Academy ($50,000), Samartitan's Purse ($35,000) and Alliance Defending Freedom ($25,000), according to its 2024 IRS Form 990-PF. Together they received 23% of its itemized 2024 grant dollars.
How large is The Korff Foundation?
The Korff Foundation reported $7.3M in total assets on its 2024 IRS Form 990-PF. It paid out $498K in qualifying distributions that year, against a required minimum of $400K (roughly 5% of its investment assets).
What does The Korff Foundation fund?
No mission statement for the foundation is provided. Its 2024 grants include awards recorded for educational, religious, and charitable purposes. See mission & focus areas ↑
How do I apply for a grant from The Korff Foundation?
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is The Korff Foundation's EIN?
The Korff Foundation's EIN (Employer Identification Number) is 38-3190927. IRS Form 990 filing data is available on this page for 2020–2024.
Does The Korff Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated October 2026.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS November 2, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS October 19, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 10, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS November 11, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS November 10, 2025)
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in The Korff Foundation's focus areas in our free grants database
Similar Funders
Funders with grantees in common, and similar funders in Michigan
Grand Rapids Community Foundation
Grand Rapids, MI
Grand Rapids Community Foundation funds nonprofits and eligible public or fiduciary-sponsored organizations working in education, health, neighborhoods, arts and culture, economic prosperity, and the environment, with an emphasis on equity and reducing barriers. Its 2025 grants ranged from $5,065 to $2.36 million, with a median of $23,000, and primarily serve Kent County and West Michigan; eligible applicants can submit an online pre-application for projects fitting its priorities.
Assets
$483.6M
Grants
377
Total Given
$22.0M
Peter C & Emajean Cook Foundation
Grand Rapids, MI
The foundation funds faith and religion, education, arts, healthcare, essential needs, and civic and community programs, with preference for Christian organizations and capital or project-based requests. In 2024, grants ranged from $250 to $233,334, with a median of $7,500; it focuses on West Michigan, especially Grand Rapids, and 96% of 2024 grant dollars went to Michigan. It accepts unsolicited requests, though grants to organizations without a prior funding history are rare.
Assets
$42.8M
Grants
188
Total Given
$4.3M
WK Kellogg Foundation
Battle Creek, MI
The W.K. Kellogg Foundation funds work to help children, families, and communities thrive, including early education, health equity, food systems, family economic well-being, and racial equity. In 2025, its grants ranged from $50 to nearly $5 million, with a median of $100,000; it funds across the United States, with long-term commitments in several states and communities, as well as parts of Mexico and Haiti. It accepts unsolicited proposals online at any time.
Assets
$481.0M
Grants
1,818
Total Given
$303.9M
Community Foundation for Southeast Michigan
Detroit, MI
The Community Foundation for Southeast Michigan funds nonprofits working in economic opportunity, health equity, youth and education, arts and culture, and public space and the environment across seven southeast Michigan counties. Its 2024 grants had a median of $25,000, though awards varied widely; organizations begin with a brief proposal, and selected applicants are invited to submit a full application.
Assets
$1.2B
Grants
938
Total Given
$105.1M
Charles Stewart Mott Foundation
Flint, MI
The Charles Stewart Mott Foundation funds nonprofits working in civil society, youth engagement, environmental sustainability, and Flint-area community development, in Flint and communities around the world. Its 2024 grants had a median of $55,000, though awards ranged widely; it does not accept unsolicited funding requests and supports preselected organizations.
Assets
$3.8B
Grants
834
Total Given
$166.4M
The Kresge Foundation
Troy, MI
The Kresge Foundation funds nonprofit operations, projects, and planning across arts and culture, education, environment, health, human services, and community development, with a focus on equity and opportunity in U.S. cities—especially Detroit, Memphis, New Orleans, and Fresno. Its 2024 grants ranged from $150 to $5 million, with a median of $140,000. Program teams most often invite applicants, though some programs issue open calls or RFPs; unsolicited requests are not described as generally accepted.
Assets
$4.0B
Grants
800
Total Given
$170.0M
More similar funders
More Funders in Michigan
Cite this profile
Grantable. (2026). The Korff Foundation funder profile. GrantGraph. Retrieved October 11, 2026, from https://grantable.co/funders/the-korff-foundation-morg_78d4210b149e4cdfa35afcc452063d95
BibTeX
@misc{grantable_383190927_2026,
author = {{Grantable}},
title = {{The Korff Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-korff-foundation-morg_78d4210b149e4cdfa35afcc452063d95},
note = {Accessed 2026-10-11. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from The Korff Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
The Korff Foundation down — hundreds of funders to go?