The Dorothea Lleonhardt Foundation Inc
The Dorothea Lleonhardt Foundation Inc is a private foundation based in Bellerose, New York. Its 2025 filing reports grants to charitable organizations, with each listed grant designated for general support of a 501(c)(3) nonprofit organization.
The Dorothea Lleonhardt Foundation Inc at a glance
In short: The Dorothea Lleonhardt Foundation Inc gave $1.7M across 27 grants in 2025 (avg $63K), mostly in Virginia. 48% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $1,713,074
- +15.7% vs 2024
- Grants made (2025)
- 27
- +0.0% vs 2024
- Average grant
- $63,447
- +15.7% vs 2024
- Median grant
- $10,000
- Total assets
- $3,135,268
- -16.3% vs 2024
- New grantees (estimate)
- 48% first-time grantees (13 of 27, 2025)
- Primary geography
- Virginia (62% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to The Dorothea Lleonhardt Foundation Inc
- 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: Co 247-05 Union Turnpike, Bellerose, NY 11426
Phone: (718) 347-0607
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Dorothea Lleonhardt Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Roanoke College ($887K). Together the top 10 received $1.6M.
Grant Size Distribution
126 grants across all recorded years
The most common grant size was under $50K: 101 grants of 126 (80%).
Geographic Focus
Where this funder awards grants
In 2025, grant dollars were distributed among recipients in Virginia (62%), New York (19%), Texas (7%), Massachusetts (6%), and Puerto Rico (4%).
Grant Distribution by State
Share of 2025 grant dollars across all 27 itemized grants.
States
Cities
Is The Dorothea Lleonhardt Foundation Inc open to new grantees?
48%
first-time grantees, 2025
In 2025, 13 of 27 grantees (48%) were first-time recipients. First grants averaged $7K; repeat grants $116K. How we count
Medians: $5K first-time, $24K repeat.
- 33% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (+6%). Method
- In 2025 it paid out 159% of its IRS minimum distribution (the 5% rule). 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
From 2020 to 2025, annual grant giving ranged from $1.2M (2020) to $1.7M (2025). In 2025 it made 27 grants totaling $1.7M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Roanoke College Salem, VA | ALL CONTRIBUTIONS ARE FOR THE GENERAL SUPPORT OF THE 501(c)(3) NON-PROFIT ORGANIZATIONS. | $886,960 |
| Whitney Museum of American Art New York, NY | ALL CONTRIBUTIONS ARE FOR THE GENERAL SUPPORT OF THE 501(c)(3) NON-PROFIT ORGANIZATIONS. | $257,614 |
| Taubman Museum of Art Roanoke, VA | ALL CONTRIBUTIONS ARE FOR THE GENERAL SUPPORT OF THE 501(c)(3) NON-PROFIT ORGANIZATIONS. | $180,000 |
| Berkshire Botanical Garden Stockbridge, MA | ALL CONTRIBUTIONS ARE FOR THE GENERAL SUPPORT OF THE 501(c)(3) NON-PROFIT ORGANIZATIONS. | $75,000 |
| Para La Naturaleza Inc San Juan, PR | ALL CONTRIBUTIONS ARE FOR THE GENERAL SUPPORT OF THE 501(c)(3) NON-PROFIT ORGANIZATIONS. | $75,000 |
| Fort Worth Zoo Fort Worth, TX | ALL CONTRIBUTIONS ARE FOR THE GENERAL SUPPORT OF THE 501(c)(3) NON-PROFIT ORGANIZATIONS. | $60,000 |
| Southern Methodist University Dallas, TX | ALL CONTRIBUTIONS ARE FOR THE GENERAL SUPPORT OF THE 501(c)(3) NON-PROFIT ORGANIZATIONS. | $25,000 |
| Massachusetts Museum of Contemporary Art Foundation Inc North Adams, MA | ALL CONTRIBUTIONS ARE FOR THE GENERAL SUPPORT OF THE 501(c)(3) NON-PROFIT ORGANIZATIONS. | $23,000 |
| The Brooklyn Institute of Arts and Sciences Brooklyn, NY | ALL CONTRIBUTIONS ARE FOR THE GENERAL SUPPORT OF THE 501(c)(3) NON-PROFIT ORGANIZATIONS. | $15,000 |
| Dallas Contemporary Dallas, TX | ALL CONTRIBUTIONS ARE FOR THE GENERAL SUPPORT OF THE 501(c)(3) NON-PROFIT ORGANIZATIONS. | $10,000 |
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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 | $3,135,268 | $1,785,264 | $2,397,430 | $1,713,074 | 27 | $1,959,391 | $1,366,225 | $1,233,586 |
| 2024 | $3,747,674 | $1,920,017 | $2,093,142 | $1,480,588 | 27 | $1,694,328 | $1,548,703 | $1,176,612 |
| 2023 | $3,920,692 | $2,073,818 | $1,970,941 | $1,388,100 | 21 | $1,593,969 | $1,722,846 | $1,128,883 |
| 2022 | $3,817,809 | $1,829,253 | $2,203,918 | $1,623,325 | 22 | $1,816,446 | $1,464,781 | $1,203,567 |
| 2021 | $4,192,461 | $1,466,724 | $1,759,548 | $1,226,999 | 29 | — | $1,135,467 | $1,091,628 |
| 2020 | $4,485,274 | $1,217,710 | $1,667,312 | $1,192,147 | 21 | — | $925,234 | $923,830 |
Under IRS private-foundation payout rules, The Dorothea Lleonhardt Foundation Inc reported a distributable amount of $1.2M 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 foundation mission statement is provided. Its 2025 grants went to organizations including a college, art museums and arts organizations, a botanical garden, a zoo, and organizations working in legal services and access to justice. For example, Roanoke College describes its mission as developing students and preparing them for lives of learning, service, and leadership. The Whitney Museum of American Art says it presents and collects U.S. art and fosters dialogue, while the Taubman Museum of Art describes its mission as bringing people and art together for discovery, learning, and enjoyment.
Grantmaking
In filing year 2025, the foundation reported 27 grants totaling $1,713,074. Grant amounts ranged from $1,000 to $886,960, with a median of $10,000. The largest grants were $886,960 to Roanoke College, $257,614 to the Whitney Museum of American Art, and $180,000 to the Taubman Museum of Art. Other notable grants included $75,000 each to Berkshire Botanical Garden and Para la Naturaleza Inc, and $60,000 to Fort Worth Zoo.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Joanne Leonhardt Cassullo as president; Robert Allen White as treasurer; Shaju Sam as assistant treasurer and SE; William Burton Binnie as vice president and Secreta; and Thomas S Leatherbury as vice president.
The Dorothea Lleonhardt Foundation Inc is led by Joanne Leonhardt Cassullo, President on every filing since 2020; 2 of 5 officers listed in 2025 are compensated.
Officers on the 2025 filing
Joanne Leonhardt Cassullo
President
On filings since 2020
45 hrs/week
$173K (2020) → $249K (2025)
Shaju Sam
Assistant Treasurer & Secretary
On filings since 2020
14 hrs/week
$49K (2020) → $70K (2025)
Robert Allen White
Treasurer
On filings since 2020
3 hrs/week
No compensation reported
Thomas S. Leatherbury
Vice President
Board Member → Vice President, 2021
On filings since 2020
3 hrs/week
No compensation reported
William Burton Binnie
Vice President & Secretary
On filings since 2020
3 hrs/week
No compensation reported
Former officers (1)
- Former: Alexander D. Forger Esq. (2020–2024) — Vice President
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 $249K, to Joanne Leonhardt Cassullo (President). 2 officers or directors reported compensation on that filing.
Frequently asked questions about The Dorothea Lleonhardt Foundation Inc
How much does The Dorothea Lleonhardt Foundation Inc give each year?
The Dorothea Lleonhardt Foundation Inc gave $1.7M across 27 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $1.5M across 27 grants.
What is The Dorothea Lleonhardt Foundation Inc's typical grant size?
The Dorothea Lleonhardt Foundation Inc's median grant in 2025 was $10,000, and its average grant was $63,447, across 27 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Dorothea Lleonhardt Foundation Inc that year got $7K on average.
Where does The Dorothea Lleonhardt Foundation Inc give grants?
The Dorothea Lleonhardt Foundation Inc gives mostly in Virginia: 62% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were New York (19%) and Texas (7%). The most frequent recipient cities were New York, NY (8 grants), Dallas, TX (3 grants) and Fort Worth, TX (2 grants).
Does The Dorothea Lleonhardt Foundation Inc give general operating support?
Yes: 100% of The Dorothea Lleonhardt Foundation Inc's 2025 grants with a stated purpose (27 of 27) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are The Dorothea Lleonhardt Foundation Inc's largest grantees?
The Dorothea Lleonhardt Foundation Inc's largest 2025 grantees include Roanoke College ($886,960), Whitney Museum of American Art ($257,614) and Taubman Museum of Art ($180,000), according to its 2025 IRS Form 990-PF. Together they received 77% of its itemized 2025 grant dollars.
How large is The Dorothea Lleonhardt Foundation Inc?
The Dorothea Lleonhardt Foundation Inc reported $3.1M in total assets on its 2025 IRS Form 990-PF. It paid out $2.0M in qualifying distributions that year, against a required minimum of $1.2M (roughly 5% of its investment assets).
What does The Dorothea Lleonhardt Foundation Inc fund?
No foundation mission statement is provided. Its 2025 grants went to organizations including a college, art museums and arts organizations, a botanical garden, a zoo, and organizations working in legal services and access to justice. See mission & focus areas ↑
How do I apply for a grant from The Dorothea Lleonhardt Foundation Inc?
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 Dorothea Lleonhardt Foundation Inc's EIN?
The Dorothea Lleonhardt Foundation Inc's EIN (Employer Identification Number) is 13-3420520. IRS Form 990 filing data is available on this page for 2020–2025.
Does The Dorothea Lleonhardt Foundation Inc accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated September 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
- Updated Form 990-PF for fiscal year 2020 (received by the IRS March 6, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 9, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 2, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS April 30, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS March 14, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS April 21, 2026)
- IRS filings on file for fiscal years 2020–2025
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Cite this profile
Grantable. (2026). The Dorothea Lleonhardt Foundation Inc funder profile. GrantGraph. Retrieved October 12, 2026, from https://grantable.co/funders/the-dorothea-lleonhardt-foundation-inc-morg_8b20304c06324180b6e7df2b9c0e0ae0
BibTeX
@misc{grantable_133420520_2026,
author = {{Grantable}},
title = {{The Dorothea Lleonhardt Foundation Inc funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-dorothea-lleonhardt-foundation-inc-morg_8b20304c06324180b6e7df2b9c0e0ae0},
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 The Dorothea Lleonhardt Foundation Inc'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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