The Seidenberg Family Foundation Inc
The Seidenberg Family Foundation Inc is a private family foundation established in 1993 in Connecticut and based in New York City. Also known as the Ivan Seidenberg Foundation Inc, the foundation focuses its philanthropic efforts on education, health, arts and culture, and human services. The foundation operates with a trustee-discretion model, awarding grants to organizations with established relationships to the family.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$16.1M
-4.8% YoY
Annual Giving
$1.2M
-68.0% YoY
Grant Count
31
-22.5% YoY
Avg Grant Size
$40K
-58.7% YoY
Mission & Focus Areas
The foundation's stated purpose is giving for higher and other education, Jewish organizations, federated giving programs, and health services. The foundation's philanthropic approach is deeply personal, driven by family connections and the founder's background in technology and business leadership.
Notable commitments reflect the family's personal interests, including a $15 million gift to Pace University (the founder's alma mater) and $16 million to New York-Presbyterian Morgan Stanley Children's Hospital for pediatric gastrointestinal disorders, reflecting the family's personal connection to celiac disease.
Grantmaking
Grant Range
** $100 to $2,000,000
Invitation Only
** Invitation only—the foundation does not accept unsolicited applications. The foundation only makes contributions to preselected charitable organizations.
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Geographic Focus
Where this funder awards grants
The foundation primarily focuses on New York, Pennsylvania, and New Jersey, though its giving extends to other states.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
As of 2023:
- Total Assets: $16,962,471 to $17,000,000
- Total Revenues: $2,677,636
- Total Expenses: $4,033,070
- Investment Income and Dividends: $235,774
- Number of Employees: 1
As of 2024:
- Total Assets: $16,149,275
- Total Giving: $1,224,634
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $16,149,275 | $16,962,471 | $16,019,063 |
| Revenue | $761,315 | $2,677,636 | $1,351,094 |
| Expenses | $1,566,760 | $4,033,070 | $1,652,017 |
| Qualifying Distributions | $1,443,187 | $3,963,982 | $1,585,745 |
| Net Investment Income | $664,476 | $2,609,818 | $312,967 |
| Distributable Amount | $955,380 | $954,401 | $1,076,746 |
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 2024
Grant Size Distribution
158 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Leadership team and compensation from IRS filings
The foundation was founded by Ivan Seidenberg, former Chairman and CEO of Verizon Communications, and his wife Phyllis.
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| IVAN SEIDENBERG | CHAIRMAN OF THE BOARD | 3 | — |
| PHYLLIS SEIDENBERG | BOARD MEMBER | 3 | — |
| DOUGLAS SEIDENBERG | BOARD MEMBER | 1 | — |
| LISA AGDERN | EXECUTIVE DIRECTOR | 30 | $201,947 |
Recent News & Activity
Recent developments and announcements
In May 2020, the Seidenberg Family Foundation contributed to The Campaign for Lehman College, a fundraising initiative supporting students affected by food and housing security during the coronavirus pandemic. The foundation was among several institutional giving partners that collectively raised $480,000 for the campaign, which aimed to provide scholarships and general operating support to sustain services and meet emergencies.
2020 | With Robin Hood, Seidenberg Family Foundation Gifts, Campaign forRelated Funders
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Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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