Mackinac Straits Health Foundation
The organization's purpose is to support mackinac straits health system in order to improve the health status of the communities it serves.
Mackinac Straits Health Foundation at a glance
In short: Mackinac Straits Health Foundation gave $29K across 1 grant in 2025 (avg $29K), mostly in Michigan. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $28,888
- -88.8% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $28,888
- -88.8% vs 2024
- Median grant
- $28,888
- Total assets
- $2,008,439
- +15.2% vs 2024
- Primary geography
- Michigan (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Mackinac Straits Health Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Mackinac Straits Health System ($29K).
Grant Size Distribution
5 grants across all recorded years
The most common grant size was under $50K: 2 grants of 5 (40%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
How Mackinac Straits Health Foundation gives
- Giving fell 58% from 2022 to 2025. Method
From the foundation's IRS Form 990 filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $28K (2021) to $546K (2020). In 2025 it made 1 grant totaling $29K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Mackinac Straits Health System St Ignace, MI | Resident Power Lift & CT in Ceiling Lift | $28,888 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $2,008,439 | $325,098 | $59,816 | $28,888 | 1 | $50,876 |
| 2024 | $1,743,157 | $587,901 | $283,974 | $256,848 | 1 | $47,036 |
| 2023 | $1,439,230 | $374,938 | $320,537 | $296,229 | 1 | $31,103 |
| 2022 | $1,384,829 | $657,022 | $94,708 | $69,389 | 1 | $1,306 |
| 2021 | $721,117 | $284,835 | $54,128 | $28,423 | 1 | $627 |
| 2020 | $490,410 | $191,899 | $573,156 | $546,051 | 1 | $14,747 |
| 2019 | $871,667 | $162,650 | $67,522 | $43,041 | 1 | $20,064 |
About Mackinac Straits Health Foundation
Based on IRS filings
Mackinac Straits Health Foundation is a public charity focused on Health, based in Saint Ignace, MI. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $2.0M in total assets. In 2025, it awarded 1 grant totaling $29K. Net investment income was $51K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Mackinac Straits Health Foundation is led by Karen Cheeseman, Trustee & Mshs CEO since 2022 (on filings since 2019); none of the 11 officers listed in 2025 report compensation.
Officers on the 2025 filing
Karen Cheeseman
Trustee & Mshs CEO
Board Member & Mshs CEO → Trustee & Mshs CEO, 2022
On filings since 2019
0.7 hrs/week
No compensation reported
Margaret Doud
Chairman
Vice Chair → Chairman, 2025
On filings since 2019
0.7 hrs/week
No compensation reported
Elizabeth Turf
Trustee
Board Member → Trustee, 2022
On filings since 2019
0.7 hrs/week
No compensation reported
James R. North
Trustee
President & Chairman → Chairman, 2021
Chairman → Trustee, 2025
On filings since 2019
0.7 hrs/week
No compensation reported
Michael Grisdale
Exectuive Director
Executive Director → Exectuive Director, 2025
On filings since 2019
18 hrs/week
No compensation reported
Patti Ann Moskwa
Trustee
Board Member → Trustee, 2022
On filings since 2019
0.7 hrs/week
No compensation reported
Bryan Cross
Trustee & Mmh
On filings since 2023
0.7 hrs/week
No compensation reported
Lydia Watson
Trustee & Mmh
On filings since 2023
0.7 hrs/week
No compensation reported
Prentiss M. Brown III
Treasurer
Treasurer → Board Member, 2021
Board Member → Treasurer, 2022
On filings since 2019
0.7 hrs/week
No compensation reported
Steve Autore
Vice Chair
Board Member → Trustee, 2022
Trustee → Vice Chair, 2025
On filings since 2019
0.7 hrs/week
No compensation reported
Wesley H. Maurer Jr.
Secretary
Secretary → Secretary & Treasurer, 2021
Secretary & Treasurer → Secretary, 2022
On filings since 2019
0.7 hrs/week
No compensation reported
Former officers (4)
- Former: Greg Rogers (2022–2023) — Trustee & Mmh
- Former: Diane Postler-Slattery (2022) — Trustee & Mmh
- Former: Kenneth Hayward (2020–2021) — Board Member
- Former: Ken Hayward (2019) — Board Member
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Mackinac Straits Health Foundation
How much does Mackinac Straits Health Foundation give each year?
Mackinac Straits Health Foundation gave $29K across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $257K across 1 grant.
How large is Mackinac Straits Health Foundation?
Mackinac Straits Health Foundation reported $2.0M in total assets on its 2025 IRS Form 990. Its revenue that year was $325K.
What is Mackinac Straits Health Foundation?
Mackinac Straits Health Foundation is a public charity focused on Health, based in Saint Ignace, MI. It holds $2.0M in total assets as of 2025.
Where does Mackinac Straits Health Foundation operate?
Mackinac Straits Health Foundation has awarded grants in Michigan.
What is Mackinac Straits Health Foundation's EIN?
Mackinac Straits Health Foundation's EIN (Employer Identification Number) is 46-5296565. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2019–2025
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