Alphaomega Charitable Foundation Inc
Alpha Omega Charitable Foundation is a private foundation based in Greenwich, Connecticut. In 2023, it made grants to charitable organizations, including organizations working in areas such as childhood cancer research, animal welfare, wildlife protection, education, and community services.
Key facts about Alphaomega Charitable Foundation Inc
In short: Alphaomega Charitable Foundation Inc gave $300K across 45 grants in 2025 (avg $7K), top state New York. 27% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- EIN
- 65-0510147
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $300,000
- Grants made (2025)
- 45
- Average grant
- $6,667
- Median grant
- $5,000
- New grantees (estimate)
- 27% first-time grantees (12 of 45, 2025)
- Total assets
- $5,318,273
- Primary geography
- New York (45% of itemized 2025 grant dollars)
- 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. Full details ↓
Data from IRS Form 990-PF, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$5.3M
-3.4% YoY
Annual Giving
$300K
+1.7% YoY
Grant Count
45
+9.8% YoY
Avg Grant Size
$7K
-7.3% YoY
Under IRS private-foundation payout rules, Alphaomega Charitable Foundation Inc reported a distributable amount of $322K for 2025 — the minimum it must pay out in qualifying distributions.
Is Alphaomega Charitable Foundation Inc open to new grantees?
27%
first-time grantees, 2025
In 2025, 12 of 45 grantees (27%) were first-time recipients. First grants averaged $5K; repeat grants $7K. How we count
Medians: $5K first-time, $8K repeat.
- 67% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (+2%). Method
- In 2025 it paid out 103% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2023 grants included support for organizations with varied missions. For example, St. Baldrick’s Foundation says it funds promising research toward cures for childhood cancers, while Farm Sanctuary says it works to end animal agriculture and promote compassionate vegan living. Defenders of Wildlife describes its work as protecting native animals and plants in their natural communities. Northwestern University says it is committed to teaching, research, and students’ personal and intellectual growth.
Other 2023 recipients included Ronald McDonald House, which says it provides services to support families when children need healthcare; Return to Freedom, which says it works to preserve wild horses and burros through sanctuary, education, advocacy, and conservation; and Adopt a Dog, which says it provides temporary care and shelter for dogs.
Grantmaking
In 2023, the foundation made 42 grants totaling $294,500. Grant amounts ranged from $2,000 to $15,000, with a median of $5,000. Among the largest listed grants were $15,000 each to Long Beach Waterfront Warriors, Michael DiMaria Foundation, and St. Baldrick’s Foundation; $11,000 each to Farm Sanctuary, Front Line Equine Rescue, and Life Savers Horse Rescue; and $10,000 each to Animals Angels Investigation and Advocacy, Cold Spring Harbor Laboratories, Defenders of Wildlife, Greenwich Hospital, Greenwich Land Trust, and Northwestern University.
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Geographic Focus
Where this funder awards grants
In 2023, New York organizations received 39% of grant dollars, Connecticut 15%, California 11%, Illinois 7%, and Colorado 5%.
Grant Distribution by State
Share of all 45 itemized 2025 grant dollars.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
Grant Size Distribution
208 grants across all recorded years
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| LONG BEACH WATERFRONT WARRIORS Long Beach, NY | GENERAL | $15,000 |
| MICHAEL DIMARIA FOUNDATION Rockville Center, NY | GENERAL | $15,000 |
| ST MARY OF THE ISLE Long Beach, NY | GENERAL | $12,500 |
| TKO STRONG FOUNDATION Malverne, NY | GENERAL | $12,500 |
| BLUE IRIS FARM RESCUE AND RETREAT Lebanon, CT | GENERAL | $10,000 |
| DISABLED AMERICAN VETERANS Port St Lucie, FL | GENERAL | $10,000 |
| FARM SANCTUARY Watkins Glen, NY | GENERAL | $10,000 |
| FRONT RANGE EQUINE RESCUE Pueblo, CO | GENERAL | $10,000 |
| GREENWICH LAND TRUST Greenwich, CT | GENERAL | $10,000 |
| ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI New York, NY | GENERAL | $10,000 |
Financial History
Multi-year comparison from IRS filings
| Filing year | Assets | Revenue | Expenses | Grants |
|---|---|---|---|---|
| 2023 | $5,641,341 | $960,637 | $375,434 | $294,500 |
| 2022 | $5,056,138 | $218,728 | $369,336 | $293,000 |
| 2021 | $5,206,746 | $540,391 | $391,283 | $300,000 |
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $5,318,273 | $5,507,607 | $5,641,341 |
| Revenue | $183,021 | $255,220 | $960,637 |
| Expenses | $389,720 | $388,954 | $375,434 |
| Qualifying Distributions | $331,864 | $304,281 | $307,123 |
| Net Investment Income | $125,165 | $195,597 | $893,187 |
| Distributable Amount | $321,562 | $306,218 | $272,771 |
Data update history
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2019 (received by the IRS July 10, 2020)
- Added Form 990-PF for fiscal year 2024 (received by the IRS August 1, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 15, 2026)
- IRS filings on file for fiscal years 2020–2023
Leadership & Key People
Leadership team and compensation from IRS filings
The 2023 filing lists Geoffrey de Lesseps as president; Frank J. Gilbride II as secretary/treasurer; and Anita L. Keefe and Thomas Verderber as vice presidents.
Alphaomega Charitable Foundation Inc is led by Geoffrey De Lesseps, President on every filing since 2019; none of the 6 officers listed in 2025 report compensation.
Officers on the 2025 filing
Geoffrey De Lesseps
President
On filings since 2019
1 hr/week
No compensation reported
Anton De Lesseps
Director
New on the 2025 filing
1 hr/week
No compensation reported
Stephanie De Lesseps
Director
New on the 2025 filing
1 hr/week
No compensation reported
Anita De Lesseps Keefe
Vice President
On filings since 2019
1 hr/week
No compensation reported
Frank J. Gilbride II
Secretary & Treasurer
On filings since 2019
1 hr/week
No compensation reported
Thomas Verderber
Vice President
On filings since 2019
1 hr/week
No compensation reported
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.
Contact
Mailing address: 31 Brookside Drive, Greenwich, CT 06836
Phone: (203) 542-8416
Frequently asked questions about Alphaomega Charitable Foundation Inc
How much does Alphaomega Charitable Foundation Inc give each year?
Alphaomega Charitable Foundation Inc gave $300K across 45 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $295K across 41 grants.
What is Alphaomega Charitable Foundation Inc's typical grant size?
Alphaomega Charitable Foundation Inc's median grant in 2025 was $5,000, and its average grant was $6,667, across 45 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Alphaomega Charitable Foundation Inc that year got $5K on average.
Where does Alphaomega Charitable Foundation Inc give grants?
Alphaomega Charitable Foundation Inc's top state is New York, with 45% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Connecticut (20%) and Illinois (7%). The most frequent recipient cities were Greenwich, CT (10 grants), Long Beach, NY (2 grants), New York, NY (2 grants) and Bronx, NY (2 grants).
Does Alphaomega Charitable Foundation Inc give general operating support?
Yes: 100% of Alphaomega Charitable Foundation Inc's 2025 grants with a stated purpose (45 of 45) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Alphaomega Charitable Foundation Inc's largest grantees?
Alphaomega Charitable Foundation Inc's largest 2025 grantees include Long Beach Waterfront Warriors ($15,000), Michael Dimaria Foundation ($15,000) and St Mary of the Isle ($12,500), according to its 2025 IRS Form 990-PF. Together they received 14% of its itemized 2025 grant dollars.
How large is Alphaomega Charitable Foundation Inc?
Alphaomega Charitable Foundation Inc reported $5.3M in total assets on its 2025 IRS Form 990-PF. It paid out $332K in qualifying distributions that year, against a required minimum of $322K (roughly 5% of its investment assets).
What does Alphaomega Charitable Foundation Inc fund?
No mission statement for the foundation is provided. Its 2023 grants included support for organizations with varied missions. For example, St. Baldrick’s Foundation says it funds promising research toward cures for childhood cancers, while Farm Sanctuary says it works to end animal agriculture and promote compassionate vegan living. Defenders of Wildlife describes its work as protecting native animals and plants in their natural communities. Northwestern University says it is committed to teach…
How do I apply for a grant from Alphaomega Charitable 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 Alphaomega Charitable Foundation Inc's EIN?
Alphaomega Charitable Foundation Inc's EIN (Employer Identification Number) is 65-0510147. IRS Form 990 filing data is available on this page for 2019–2025.
Does Alphaomega Charitable 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.
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