John a Joan M Dietze Charitable Tr

Private foundation · Grantmaker Pennington, NJ EIN: 51-6523322

The John A Joan M Dietze Charitable Tr is a private foundation based in Pennington, New Jersey. It supports charitable organizations through grants; its 2025 filing lists 39 grants totaling $275,872.

John a Joan M Dietze Charitable Tr at a glance

In short: John a Joan M Dietze Charitable Tr gave $276K across 39 grants in 2025 (avg $7K), mostly in Delaware. 8% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$275,872
-2.6% vs 2024
Grants made (2025)
39
-9.3% vs 2024
Average grant
$7,074
+7.4% vs 2024
Median grant
$5,000
Total assets
$6,135,225
+3.0% vs 2024
New grantees (estimate)
8% first-time grantees (3 of 39, 2025)
Primary geography
Delaware (51% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to John a Joan M Dietze Charitable Tr

Accepts unsolicited proposals
No
Contact

Mailing address: PO Box 1532, Pennington, NJ 08534
Phone: (212) 852-3049

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who John a Joan M Dietze Charitable Tr funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Institute for Cancer Research: $20KInstitute for Cancer Research$20KWilmington Friends School: $20KWilmington Friends School$20KWestminster Presbyterian Church: $20KWestminster PresbyterianChurch$20KUnited Way of Delaware: $20KUnited Way of Delaware$20KPilot School: $20KPilot School$20KIngleside Homes Inc: $20KIngleside Homes Inc$20KMinistry of Caring: $20KMinistry of Caring$20KDelaware Hospice Inc: $20KDelaware Hospice Inc$20KWestern North Carolina Air Museum Inc: $20KWestern North Carolina AirMuseum Inc$20KHyla Middle School: $15KHyla Middle School$15K

The largest 2025 recipient was Institute for Cancer Research ($20K). Together the top 10 received $196K.

Grant Size Distribution

204 grants across all recorded years

204<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 204 grants of 204 (100%).

Geographic Focus

Where this funder awards grants

The 2025 grant dollars were distributed across recipient organizations in multiple states. Delaware received 51% of grant dollars, followed by North Carolina (11%), Washington (8%), Pennsylvania (7%), and Florida (7%). The listed grants also included recipients in Maine and New York.

Grant Distribution by State

16states

Share of 2025 grant dollars across all 39 itemized grants.

Cities

WilmingtonWilliamstownYarmouthNorth AdamsOrlandoBenningtonNew YorkPittsfieldPoulsboSeattleAlbanyNewarkPhiladelphiaPort TownsendSheffieldChristmasHendersonvlleN AdamsRenoAltamonte SPG

Is John a Joan M Dietze Charitable Tr open to new grantees?

8%

first-time grantees, 2025

In 2025, 3 of 39 grantees (8%) were first-time recipients. First grants averaged $7K; repeat grants $7K. How we count

Medians: $1K first-time, $5K repeat.

  • 87% of 2025 grantees were also funded in 2024. Method
  • Giving fell 24% from 2022 to 2025. Method
  • In 2025 it paid out 84% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). 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

$0$100K$200K$300K$400K31 grants2020 39 grants2021 43 grants2022 40 grants2023 43 grants2024 39 grants2025

From 2020 to 2025, annual grant giving ranged from $251K (2023) to $362K (2022). In 2025 it made 39 grants totaling $276K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Institute for Cancer Research Philadelphia, PAUnrestricted General$20,103
Wilmington Friends School Wilmington, DEUnrestricted General$20,103
Westminster Presbyterian Church Wilmington, DEUnrestricted General$20,103
United Way of Delaware Wilmington, DEUnrestricted General$20,103
Pilot School Wilmington, DEUnrestricted General$20,103
Ingleside Homes Inc Wilmington, DEUnrestricted General$20,103
Ministry of Caring Wilmington, DEUnrestricted General$20,103
Delaware Hospice Inc Newark, DEUnrestricted General$20,103
Western North Carolina Air Museum Inc Hendersonvlle, NCUnrestricted General$20,000
Hyla Middle School Bainbridge Is, WAGeneral Operating$15,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$6,135,225$550,823$371,243$275,87239$310,126$496,430$367,719
2024$5,955,211$438,391$374,106$283,29243$333,204$402,547$347,649
2023$5,891,355$359,889$337,601$251,24040$297,897$321,352$318,270
2022$5,869,075$315,841$457,976$361,66943$411,566$278,818$334,487
2021$6,011,065$512,201$358,189$264,77239$317,095$473,739$377,248
2020$5,858,552$308,215$390,200$299,18231—$272,164$334,688

Under IRS private-foundation payout rules, John a Joan M Dietze Charitable Tr reported a distributable amount of $368K for 2025 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

No mission statement or specific funding focus is stated in the available filings. The 2025 grants show support for organizations in areas including education, health and human services, animal welfare, conservation, and religious life. For example, Ingleside Homes describes its work as providing affordable housing and home care services for seniors in the Delaware Valley; Delaware Hospice describes its mission as supporting people and communities facing serious illness; and Hyla Middle School says it aims to create an educational environment that engages middle and upper school students in learning.

Grantmaking

In 2025, the foundation made 39 grants totaling $275,872. Grant amounts ranged from $100 to $20,103, with a median of $5,000. Among the largest listed grants were $20,103 each to the Institute for Cancer Research, Wilmington Friends School, Westminster Presbyterian Church, United Way of Delaware, Pilot School, Ingleside Homes, Ministry of Caring, and Delaware Hospice. Other listed grants included $20,000 to Western North Carolina Air Museum, $15,000 to Hyla Middle School, and $8,762 to Blue Ridge Humane Society.

The filing describes the largest grants as unrestricted general support, and lists general operating purposes for Hyla Middle School and Royal River Conservation Trust. The foundation’s 2024 filing states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists C David Myers, Lisa Molloy, Anina D Nelon, Valerie Tweiten, and David L Dietze as advisors, and Bank of America N A as trustee.

John a Joan M Dietze Charitable Tr's 2025 filing lists 6 officers; 5 of 6 officers listed in 2025 are compensated.

Officers on the 2025 filing

  • Bank Of America N A

    Trustee

    On filings since 2020

    2 hrs/week

    $58K (2020) → $66K (2025)

  • David L. Dietze

    Advisor

    On filings since 2020

    9 hrs/week

    $5K (2020) → $0 (2025)

  • Valerie Tweiten

    Advisor

    On filings since 2020

    9 hrs/week

    $5K (2020) → $5K (2025)

  • Anina D. Nelon

    Advisor

    On filings since 2021

    9 hrs/week

    $5K (2021) → $5K (2025)

  • C. David Myers

    Advisor

    On filings since 2022

    9 hrs/week

    $5K (2022) → $5K (2025)

  • Lisa Molloy

    Advisor

    On filings since 2024

    9 hrs/week

    $5K (2024) → $5K (2025)

Former officers (4)
  • Former: John A. Dietze (2020–2023) — Advisor
  • Former: David Myers (2021) — Advisor
  • Former: Anna D. Nelson (2020) — Advisor
  • Former: Pamela Halbrook (2020) — Advisor

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

Bank of America N a — Trustee: $66KBank of America N aTrustee$66KC David Myers — Advisor: $5KC David MyersAdvisor$5KLisa Molloy — Advisor: $5KLisa MolloyAdvisor$5KAnina D Nelon — Advisor: $5KAnina D NelonAdvisor$5KValerie Tweiten — Advisor: $5KValerie TweitenAdvisor$5K

The highest reported compensation on the 2025 filing was $66K, to Bank of America N a (Trustee). 5 officers or directors reported compensation on that filing.

Frequently asked questions about John a Joan M Dietze Charitable Tr

How much does John a Joan M Dietze Charitable Tr give each year?

John a Joan M Dietze Charitable Tr gave $276K across 39 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $283K across 43 grants.

What is John a Joan M Dietze Charitable Tr's typical grant size?

John a Joan M Dietze Charitable Tr's median grant in 2025 was $5,000, and its average grant was $7,074, across 39 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from John a Joan M Dietze Charitable Tr that year got $7K on average.

Where does John a Joan M Dietze Charitable Tr give grants?

John a Joan M Dietze Charitable Tr gives mostly in Delaware: 51% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were North Carolina (11%) and Washington (8%). The most frequent recipient cities were Wilmington, DE (6 grants), Williamstown, MA (6 grants), North Adams, MA (3 grants) and Hendersonvlle, NC (2 grants).

Does John a Joan M Dietze Charitable Tr give general operating support?

Yes: 100% of John a Joan M Dietze Charitable Tr's 2025 grants with a stated purpose (39 of 39) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are John a Joan M Dietze Charitable Tr's largest grantees?

John a Joan M Dietze Charitable Tr's largest 2025 grantees include Institute for Cancer Research ($20,103), Wilmington Friends School ($20,103) and Westminster Presbyterian Church ($20,103), according to its 2025 IRS Form 990-PF. Together they received 22% of its itemized 2025 grant dollars.

How large is John a Joan M Dietze Charitable Tr?

John a Joan M Dietze Charitable Tr reported $6.1M in total assets on its 2025 IRS Form 990-PF. It paid out $310K in qualifying distributions that year, against a required minimum of $368K (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 does John a Joan M Dietze Charitable Tr fund?

No mission statement or specific funding focus is stated in the available filings. The 2025 grants show support for organizations in areas including education, health and human services, animal welfare, conservation, and religious life. See mission & focus areas ↑

How do I apply for a grant from John a Joan M Dietze Charitable Tr?

John a Joan M Dietze Charitable Tr does not accept unsolicited proposals, according to Grantable's research on its published guidelines.

What is John a Joan M Dietze Charitable Tr's EIN?

John a Joan M Dietze Charitable Tr's EIN (Employer Identification Number) is 51-6523322. IRS Form 990 filing data is available on this page for 2020–2025.

Does John a Joan M Dietze Charitable Tr 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 September 2026.

Data update history

(7)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS May 11, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS May 11, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 10, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 8, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 9, 2025)
  6. Updated Form 990-PF for fiscal year 2025 (received by the IRS April 21, 2026)
  7. IRS filings on file for fiscal years 2020–2025

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Cite this profile

Grantable. (2026). John a Joan M Dietze Charitable Tr funder profile. GrantGraph. Retrieved October 12, 2026, from https://grantable.co/funders/john-a-joan-m-dietze-charitable-tr-morg_679d207259d641de96fbe789b376d41f

BibTeX
@misc{grantable_516523322_2026,
  author       = {{Grantable}},
  title        = {{John a Joan M Dietze Charitable Tr funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/john-a-joan-m-dietze-charitable-tr-morg_679d207259d641de96fbe789b376d41f},
  note         = {Accessed 2026-10-12. 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 John a Joan M Dietze Charitable Tr'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.

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