The Doris Tuinstra Foundation
The Doris Tuinstra Foundation is a private foundation, based in Grandville, MI. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $1.5M in total assets. In 2025, it awarded 6 grants totaling $62K. Net investment income was $145K.
The Doris Tuinstra Foundation at a glance
In short: The Doris Tuinstra Foundation gave $62K across 6 grants in 2025 (avg $10K), mostly in Michigan. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $62,000
- +12.7% vs 2024
- Grants made (2025)
- 6
- +200.0% vs 2024
- Average grant
- $10,333
- -62.4% vs 2024
- Median grant
- $10,000
- Total assets
- $1,475,115
- +6.7% vs 2024
- Primary geography
- Michigan (92% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who The Doris Tuinstra Foundation funds
How this funder distributes its grants
Top Recipients
Top 6 recipients in 2025
The largest 2025 recipient was Mission India ($20K). Together the top 6 received $62K.
Grant Size Distribution
26 grants across all recorded years
The most common grant size was under $50K: 26 grants of 26 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 6 itemized grants.
Cities
How The Doris Tuinstra Foundation gives
- Giving grew 29% from 2022 to 2025. Method
- In 2025 it paid out 88% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $40K (2020) to $62K (2025). In 2025 it made 6 grants totaling $62K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Mission India Kentwood, MI | General Support | $20,000 |
| Triunity Christian School Wyoming, MI | General Support | $10,000 |
| Harvest Orthodox Presbyterian Churc Wyoming, MI | General Support | $10,000 |
| Guiding Light Mission Grand Rapids, MI | General Support | $10,000 |
| Audio Scriptures Ministry Holland, MI | General Support | $7,000 |
| Zuni Christian School Zuni, NM | General Support | $5,000 |
Ready to take the next step with The Doris Tuinstra 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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $1,475,115 | $159,397 | $67,175 | $62,000 | 6 | $62,000 | $144,630 | $70,595 |
| 2024 | $1,382,893 | $110,197 | $60,089 | $55,000 | 2 | $55,000 | $47,430 | $64,057 |
| 2023 | $1,332,785 | $149,295 | $58,419 | $55,000 | 6 | $55,000 | $34,295 | $57,583 |
| 2022 | $1,241,909 | $182,837 | $53,628 | $48,000 | 7 | $48,000 | $62,837 | $57,109 |
| 2021 | $1,112,700 | $545,493 | $52,622 | $50,000 | 5 | $50,000 | $65,493 | $41,443 |
| 2020 | $619,829 | $152,262 | $43,577 | $40,000 | 5 | — | $60,262 | $27,012 |
Under IRS private-foundation payout rules, The Doris Tuinstra Foundation reported a distributable amount of $71K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
The Doris Tuinstra Foundation is led by Kenneth Vander Molen, President on every filing since 2020; all 3 officers listed in 2025 are compensated.
Officers on the 2025 filing
Kenneth Vander Molen
President
On filings since 2020
2 hrs/week
$50 (2020) → $100 (2025)
Jacob Tuinstra
Treasurer
On filings since 2020
1 hr/week
$50 (2020) → $100 (2025)
Jamison Worst
Secretary
On filings since 2020
1 hr/week
$125 (2021) → $100 (2025)
Former officers (1)
- Former: Andrew Vander Molen (2020) — Director
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $100, to Kenneth Vander Molen (President). 3 officers or directors reported compensation on that filing.
Frequently asked questions about The Doris Tuinstra Foundation
How much does The Doris Tuinstra Foundation give each year?
The Doris Tuinstra Foundation gave $62K across 6 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $55K across 2 grants.
What is The Doris Tuinstra Foundation's typical grant size?
The Doris Tuinstra Foundation's median grant in 2025 was $10,000, and its average grant was $10,333, across 6 grants on its 2025 IRS Form 990-PF.
Where does The Doris Tuinstra Foundation give grants?
The Doris Tuinstra Foundation gives mostly in Michigan: 92% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was New Mexico (8%). The most frequent recipient cities were Wyoming, MI (2 grants).
Does The Doris Tuinstra Foundation give general operating support?
Yes: 100% of The Doris Tuinstra Foundation's 2025 grants with a stated purpose (6 of 6) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are The Doris Tuinstra Foundation's largest grantees?
The Doris Tuinstra Foundation's largest 2025 grantees include Mission India ($20,000), Triunity Christian School ($10,000) and Harvest Orthodox Presbyterian Churc ($10,000), according to its 2025 IRS Form 990-PF. Together they received 65% of its itemized 2025 grant dollars.
How large is The Doris Tuinstra Foundation?
The Doris Tuinstra Foundation reported $1.5M in total assets on its 2025 IRS Form 990-PF. It paid out $62K in qualifying distributions that year, against a required minimum of $71K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What is The Doris Tuinstra Foundation's EIN?
The Doris Tuinstra Foundation's EIN (Employer Identification Number) is 04-3670914. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS July 1, 2026)
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in The Doris Tuinstra Foundation's focus areas in our free grants database
Similar Funders
Funders that support many of the same organizations
Marion & Marlene Betten Foundation
Wyoming, MI
The foundation supports churches and Christian organizations, schools, social-service providers, and other charities, primarily in Michigan. Its 2025 grants ranged from $1,200 to $85,500, with a median of $3,600. It does not accept unsolicited requests and gives only to preselected organizations.
Assets
$4.4M
Grants
69
Total Given
$424K
Douglas & Maria Devos Foundation
Grand Rapids, MI
The foundation supports faith-community collaboration, community development and poverty reduction, education, mental health, the arts, and minority-owned businesses. In 2024, it made 93 grants ranging from $500 to $1,325,000, with a median of $30,000; most grant dollars went to Michigan, with additional support in several other states. It accepts a letter of request, and the filing states there are no restrictions on awards or preselected organizations.
Assets
$62.6M
Grants
93
Total Given
$10.5M
John and Judy Spoelhof Foundation
Holland, MI
The John and Judy Spoelhof Foundation supports a range of charitable organizations, including education, human services, faith-based work, and health-related programs, with most funding going to Michigan. Its 2025 grants had a median of $17,500 and ranged from $1,700 to $550,000. It funds only preselected organizations and does not accept unsolicited requests.
Assets
$39.6M
Grants
60
Total Given
$2.5M
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
Christian Community Foundation Inc
Colorado Springs, CO
WaterStone supports domestic and international nonprofits, including Christian ministries and charitable and educational organizations, through donor-directed grants; eligible organizations must be IRS-recognized 501(c)(3)s whose mission aligns with its Statement of Faith. Its 2025 grants had a median of $20,000, with awards ranging from $5,028 to $11 million, and were concentrated in Texas and Colorado. Grant recommendations come from donor-advised fund holders; the profile does not state that it accepts unsolicited requests.
Assets
$746.4M
Grants
1,651
Total Given
$161.8M
Tony Betten Family Foundation
Grand Rapids, MI
The Tony Betten Family Foundation supports a broad range of charitable organizations, including churches, community groups, and nonprofits, with most of its giving going to Michigan and smaller amounts to Florida and Oregon. Its 2025 grants ranged from $100 to $40,000, with a median of $6,000. It does not accept unsolicited requests and gives only to preselected organizations.
Assets
$304K
Grants
30
Total Given
$265K
More similar funders
More Funders in Michigan
The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open
Figures come from The Doris Tuinstra 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 Doris Tuinstra Foundation down — hundreds of funders to go?