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· Private foundation

The Robert & Lois Geller Foundation

Its FY2025 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$35k
Granted FY2025still arriving
21
Grants FY2025still arriving
6
States reached
$10k
Largest
01What it funds
0199% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2024.

Arts & Culture$34kInternational$29kCivil Rights$20kYouth Development$15kHousing & Shelter$14kEnvironment$14kRecreation & Sports$11kFood & Nutrition$11kOther$0
02FY2025 · 21 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2025

  • Under $10k20 grants · $25k
  • $10k–50k1 grant · $10k
$1,000
Median grant
6
States reached
$329k
Total assets
Largest grants
RecipientAmount
JEWISH NATIONAL FUND$10,299
GIRLS INC$5,150
CAMBODIAN -AMERICAN FOUNDATION FOR$5,000
GOD'S LOVE WE DELIVER$2,000
PHILARMONIC SYMPHONY SOCIETY OF NY$1,200
THE DOE FUND INC$1,060
AMERICAN FRIENDS OF THE ISRAeL PHIL$1,040
HILLEL INTERNATIONAL$1,000
Individual grant recipient$1,000
THEFIREORG$1,000
NEIGHBORHOOD COALITION FOR SHELTER$1,000
CENTRAL PARK CONSERVANCY$1,000
THE NATURE CONSERVANCY$1,000
GEORGE MASON UNIVERSITY$500
9-11 MEMORIAL AND MUSEUM$500
02The need
03

Does the money reach high-need areas?

Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.

show:

Dollar for dollar, its grants (FY17–25) land where the poverty rate runs at 16%, against an area that typically sits at 8%. 87% of its dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 8%THEFIREORG: $1k → 22%CHORAL SOCIETY OF THE HAMPTONS: $3k → 7%JUDICIAL WATCH: $1k → 14%THE NATURE CONSERVANCY: $1k → 7%CHORAL SOCIETY OF THE HAMPTONS: $3k → 7%JUDICIAL WATCH: $1k → 14%THE NATURE CONSERVANCY: $1k → 7%CHORAL SOCIETY OF THE HAMPTONS: $3k → 7%THE NATURE CONSERVANCY: $1k → 7%GROUP FOR THE EAST END: $1k → 7%THE NATURE CONSERVANCY: $1k → 7%GROUP FOR THE EAST END: $1k → 7%THE NATURE CONSERVANCY: $1k → 7%GROUP FOR THE EAST END: $1k → 7%9-11 MEMORIAL AND MUSEUM: $1k → 17%CENTRAL SYNAGOGUE: $6k → 17%CENTRAL PARK CONSERVANCY: $2k → 17%CENTRAL PARK CONSERVANCY: $2k → 17%CENTRAL PARK CONSERVANCY: $2k → 17%JEWISH NATIONAL FUND: $10k → 17%JEWISH NATIONAL FUND: $10k → 17%PHILARMONIC SYMPHONY SOCIETY OF NY: $1k → 17%PHILARMONIC SYMPHONY SOCIETY OF NY: $1k → 17%PHILARMONIC SYMPHONY SOCIETY OF NY: $1k → 17%CAMBODIAN -AMERICAN FOUNDATION FOR: $5k → 17%CAMBODIAN-AMERICAN FOUNDATION FOR EDUCATION: $5k → 17%CAMBODIAN -AMERICAN FOUNDATION FOR: $5k → 17%CAMBODIAN-AMERICAN FOUNDATION FOR EDUCATION: $5k → 17%CAMBODIAN-AMERICAN FOUNDATION FOR EDUCATION: $5k → 17%CAMBODIAN -AMERICAN FOUNDATION FOR: $5k → 17%CAMBODIAN -AMERICAN FOUNDATION FOR: $5k → 17%CAMBODIAN -AMERICAN FOUNDATION FOR: $5k → 17%GIRLS INC: $5k → 17%GIRLS INC: $5k → 17%GIRLS INC: $5k → 17%GIRLS INC: $5k → 17%AMERICAN FRIENDS OF THE ISRAL PHILH: $1k → 17%AMERICAN FRIENDS OF THE ISRAeL PHIL: $1k → 17%WWWAFIPOORG: $1k → 17%URBAN OUTREACH: $1k → 17%GOD'S LOVE WE DELIVER: $3k → 17%GOD'S LOVE WE DELIVER: $3k → 17%GOD'S LOVE WE DELIVER: $2k → 17%GOD'S LOVE WE DELIVER: $2k → 17%GOD'S LOVE WE DELIVER: $2k → 17%WOMANKIND: $5k → 17%THE DOE FUND INC: $2k → 17%THE DOE FUND INC: $1k → 17%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount
How this is measured
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty line in the grantee’s ZIP, averaged from the tracts in that ZIP.

Which US states its grants reach

NH
IL
MI
NY
PA
VA
SC
DC
How this is measured
US grants placed by each grantee’s ZIP, which can differ from where services are delivered. Need from public data (U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA), shown as context about the area, never attributed to the funder’s giving.
03Its grantees
repeat funding

Who it funds again

Organizations funded in more than one year, against those funded once.

90%of every dollar goes to organizations it has funded before.
$173k · 35 repeat orgs$19k to everyone else

Grantees it renews have grown median revenue +37% since the first grant, against 0% for those funded once.

35 repeat relationships: 18 still active in FY2025, 17 since wound down.

How the two cohorts compare

Re-uppedFunded once

Organizations

35
10

Total granted

$173k
$19k

Median revenue growth · since first grant

+37%
0%

Still filing today

60%
40%

New vs renewed · share of each year

In FY2025, 100% of grant dollars renewed an existing relationship; $0 went to new ones.

50%100%’17’18’19’20’21’22’23’24’25
RenewedFirst-time

Where new relationships form · theme of each grantee’s first grant

’17’18’19’20’21’22’23’24’25
Arts & CultureEducationEnvironmentPublic BenefitPhilanthropyHousing & ShelterOther
How this is measured
First-time means a grantee’s first year in the filing window; renewed means funded in an earlier year too. The renewed share climbs naturally as a portfolio matures, so the signal is a year that bucks it (a wave of new grantees). The earliest year is left-censored: relationships that predate the data read as new. Theme is the grantee’s IRS cause.

Backed again, and grew

  • GI
    GIRLS INC
    4× · 2022–2025 · $20k · revenue +27%
  • CF
    CAMBODIAN-AMERICAN FOUNDATION FOR EDUCATION INC
    3× · 2017–2019 · $15k · revenue +98% · 34% of their budget
  • GL
    GOD'S LOVE WE DELIVER INC
    7× · 2019–2025 · $13k · revenue +182%

Funded once

  • CS
    CENTRAL SYNAGOGUE
    one grant, 2017 · $6k
  • W
    WOMANKIND
    one grant, 2022 · $5k
  • FO
    FRIENDS OF THE ROYAL PHILATELIC SOCIETY LONDON INC
    one grant, 2018 · $5k · revenue -36%
How this is measured

Repeat means funded in two or more distinct years. Growth and survival are read from each grantee’s own subsequent IRS filings.

04Its field

Closest unfunded matches

The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.

1
The Jewish Museum

The mission of the jewish museum is to collect, preserve, exhibit and interpret art and jewish culture. see schedule o for more information.

Arts & Culture
2
New York Botanical Garden

The new york botanical garden is a museum of plants and a scientific research center devoted to the study of plants and their uses. it is the garden's mission to improve public understanding of the natural world, horticulture, and the…

Environment
3
The Trustees of the New York Society Library

The new york society library was founded in 1754 by the new york society, a civic-minded group formed in the belief that the availability of books would help the city of new york to prosper.

—
4
United States Naval Institute

Provide an independent forum for those who dare to read, think, speak, and write to advance the professional, literary, and scientific understanding of sea power and other issues critical to global security.

—
5
Harvard Club of Ny Historical Foundation
Environment
6
American Museum of Natural History

The museum's mission statement is: "to discover, interpret, and disseminate - through scientific research and education - knowledge about human cultures, the natural world, and the universe."

Arts & Culture
7
Institute for Advanced Study - Louis Bamberger & Mrs Felix Fuld Foundation

The institute for advanced study (the institute) is one of the world's leading centers for theoretical research and intellectual inquiry. see schedule o.

Science & Tech
8
Museum of Jewish Heritage a Living Memorial to the Holocaust

The museum of jewish heritage - a living memorial to the holocaust is new york's contribution to the global responsibility to never forget. see schedule o for additional information.

Arts & Culture
9
The Trustees of Princeton University

Research, education and general - princeton university is a private not-for-profit, non-sectarian institution of higher learning with approximately 5,700 undergraduate and 3,300 graduate students. 2,500 students graduated in the 2024-2025…

Education
10
Harvard Conservation Trust

To preserve the unique character and natural resources of harvard.

Environment
11
University of New Haven

The University of New Haven is a student-centered comprehensive university with an emphasis on excellence in liberal arts and professional education. Our mission is to prepare our students to lead purposeful and fulfilling lives in a…

Education
12
New York League of Conservation Voters Education Fund

See schedule onylcvef's mission is to educate, engage and empower new yorkers to be effective advocates on behalf of the environment from clean energy and funding for parks, to solid waste and green buildings. first, we educate new yorkers…

Environment
How this is measured
The grantee most central to the portfolio’s shape is The Heritage Foundation; the most unlike its peers is Old Merchants House of New York Inc. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
04the grantee network

29 grantees tracked through their own filings, 2017–2026.

Each grant beside the grantee’s revenue from every source, year by year.

How this is measured

Counted here: distinct organizations funded across 2017 to 2026, not grant rows in a single year, so this will not match the grant count on the cover. 29 of the 48 grantees resolved in that span have returns of their own we could reconcile.

Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.

1
Load-bearing (≥25% of a budget)
5
Early backer (in before they grew)
28/29
Grantees still filing
23/29
Grew since first funded

Where the money sits, by cause and then by grantee

CAMBODIAN -AMERICAN FOUNDATION FOR: $25,000 · OtherCAMBODIAN -AMERICAN FOUNDATION FORChoral Society of the Hamptons & South Fork Chamber Orchestra Inc: $10,000 · OtherChoral Society of the Hamptons & South Fork Chamber Orch…THE NATURE CONSERVANCY: $8,030 · OtherTHE NATURE CONSERVANCYCENTRAL SYNAGOGUE: $6,100 · OtherCENTRAL SYNAGOGUEWOMANKIND: $5,000 · Other9-11 MEMORIAL AND MUSEUM: $4,283 · OtherFRIENDS OF THE ROYAL PHILATELIC SOCIETY LONDON INC: $5,000 · OtherJUDICIAL WATCH INC: $4,750 · OtherGROUP FOR THE EAST END INC: $5,000 · OtherHILLEL THE FOUNDATION FOR JEWISH CAMPUS LIFE: $4,000 · Other+26 more: $33,128 · Other+26 moreJEWISH NATIONAL FUND (KEREN KAYEMETH LEISRAEL) INC: $20,299 · InternationalJEWISH NATIONAL F…CAMBODIAN-AMERICAN FOUNDATION FOR EDUCATION INC: $15,000 · InternationalCAMBODIAN-AMERICA…GIRLS INC: $20,150 · Youth DevelopmentGIRLS INCTHE PHILHARMONIC SYMPHONY SOCIETY OF NY INC: $9,350 · Arts & CultureAMERICAN TOPICAL ASSOCIATION: $3,800 · Arts & CultureFRIENDS OF THE HIGH LINE INC: $1,975 · Arts & CultureBRIDGEHAMPTON CHAMBER MUSIC ASSOCIATES INC: $1,000 · Arts & Culture+1 more: $125 · Arts & CultureNEIGHBORHOOD COALITION FOR SHELTER INC: $9,000 · Housing & ShelterTHE DOE FUND INC: $7,060 · Housing & ShelterGOD'S LOVE WE DELIVER INC: $13,000 · Food & NutritionCENTRAL PARK CONSERVANCY INC: $12,000 · Recreation & Sports
Other$110,291International$35,299Youth Development$20,150Arts & Culture$16,250Housing & Shelter$16,060Food & Nutrition$13,000Recreation & Sports$12,000

Each grantee by its size and the funder’s share of it; top left is load-bearing

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetJEWISH NATIONAL FUND (KEREN KAYEMETH LEISRAEL) INC: $20,299 over 2y, 0.0% of budgetGIRLS INC: $20,150 over 4y, 0.0% of budgetCAMBODIAN-AMERICAN FOUNDATION FOR EDUCATION INC: $15,000 over 3y, 34% of budgetGOD'S LOVE WE DELIVER INC: $13,000 over 7y, 0.0% of budgetCENTRAL PARK CONSERVANCY INC: $12,000 over 9y, 0.0% of budgetChoral Society of the Hamptons & South Fork Chamber Orchestra Inc: $10,000 over 7y, 1.1% of budgetTHE PHILHARMONIC SYMPHONY SOCIETY OF NY INC: $9,350 over 9y, 0.0% of budgetNEIGHBORHOOD COALITION FOR SHELTER INC: $9,000 over 9y, 0.0% of budgetTHE NATURE CONSERVANCY: $8,030 over 8y, 0.0% of budgetTHE DOE FUND INC: $7,060 over 6y, 0.0% of budgetGROUP FOR THE EAST END INC: $5,000 over 6y, 0.1% of budgetJUDICIAL WATCH INC: $4,750 over 8y, 0.0% of budgetHILLEL THE FOUNDATION FOR JEWISH CAMPUS LIFE: $4,000 over 4y, 0.0% of budgetAMERICAN TOPICAL ASSOCIATION: $3,800 over 7y, 0.5% of budgetHILLSDALE COLLEGE: $2,750 over 6y, 0.0% of budgetTHE HERITAGE FOUNDATION: $2,250 over 6y, 0.0% of budgetTHE MICHAEL J FOX FOUNDATION FOR PARKINSON'S RESEARCH: $2,000 over 2y, 0.0% of budgetFRIENDS OF THE HIGH LINE INC: $1,975 over 8y, 0.0% of budgetFRIENDS OF NOTRE-DAME DE PARIS INC: $1,500 over 3y, 0.0% of budgetNEW YORK RESTORATION PROJECT: $1,450 over 6y, 0.0% of budgetUNITED JEWISH APPEAL-FEDERATION OF JEWISH PHILANTHROPIES OF NEW YORK INC: $1,180 over 2y, 0.0% of budgetBRIDGEHAMPTON CHAMBER MUSIC ASSOCIATES INC: $1,000 over 2y, 0.1% of budgetHAMPTON LIBRARY IN BRIDGEHAMPTON INC: $700 over 2y, 0.0% of budgetCATO INSTITUTE: $500 over 1y, 0.0% of budgetSOUTH FORK NATURAL HISTORY SOCIETY: $400 over 4y, 0.0% of budgetOLD MERCHANTS HOUSE OF NEW YORK INC: $125 over 1y, 0.0% of budgetBRIDGE HAMPTON HISTORICAL SOCIETY DBA THE BRIDGE HAMPTON MUSEUM: $100 over 1y, 0.0% of budgetSTEPHEN SILLER TUNNEL TO TOWERS FOUNDATION: $100 over 1y, 0.0% of budget
Grantee by grantee: a decade per organization, before and after funding

A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.

  • Who funds JEWISH NATIONAL FUND (KEREN KAYEMETH LEISRAEL) INC ↗
  • Who funds GIRLS INC ↗
  • Who funds CAMBODIAN-AMERICAN FOUNDATION FOR EDUCATION INC ↗
  • Who funds GOD'S LOVE WE DELIVER INC ↗
  • Who funds CENTRAL PARK CONSERVANCY INC ↗
  • Who funds Choral Society of the Hamptons & South Fork Chamber Orchestra Inc ↗
  • Who funds THE PHILHARMONIC SYMPHONY SOCIETY OF NY INC ↗
  • Who funds NEIGHBORHOOD COALITION FOR SHELTER INC ↗
  • Who funds THE NATURE CONSERVANCY ↗
  • Who funds THE DOE FUND INC ↗
  • Who funds GROUP FOR THE EAST END INC ↗
  • Who funds FRIENDS OF THE ROYAL PHILATELIC SOCIETY LONDON INC ↗
  • Who funds JUDICIAL WATCH INC ↗
  • Who funds HILLEL THE FOUNDATION FOR JEWISH CAMPUS LIFE ↗
  • Who funds AMERICAN TOPICAL ASSOCIATION ↗
  • Who funds HILLSDALE COLLEGE ↗
  • Who funds THE HERITAGE FOUNDATION ↗
  • Who funds THE MICHAEL J FOX FOUNDATION FOR PARKINSON'S RESEARCH ↗
  • Who funds FRIENDS OF THE HIGH LINE INC ↗
  • Who funds FRIENDS OF NOTRE-DAME DE PARIS INC ↗
  • Who funds NEW YORK RESTORATION PROJECT ↗
  • Who funds UNITED JEWISH APPEAL-FEDERATION OF JEWISH PHILANTHROPIES OF NEW YORK INC ↗
  • Who funds BRIDGEHAMPTON CHAMBER MUSIC ASSOCIATES INC ↗
  • Who funds HAMPTON LIBRARY IN BRIDGEHAMPTON INC ↗

Co-funders

Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.

Alfred & Jane Ross Foundation IncNY13.6× affinity4 shared granteesties to 5 of 5Hover any node to trace its alignments.Compare side by side →

Open a dossier: Alfred & Jane Ross Foundation Inc · National Philanthropic Trust · Vanguard Charitable Endowment Program · Fidelity Investments Charitable Gift Fund · Donor Advised Charitable Giving Inc · Amazonsmile Foundation

How this is measured
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. Overlap is association, not proof of shared intent.

How much its grantees rely on government

Each dot is one organization The Robert & Lois Geller Foundation funds: left to right is the share of its income from government, bottom to top the share from The Robert & Lois Geller Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 00%0%1%3%5%funder's share of their income ↑0%6%13%19%25%share of the org’s income from government →
    no gov moneyreceives it· size = income
    0get no government money at all
    10report government grants on their 990 we could not trace to a source (not plotted)
    0rely on government for over half their income
    ⤢ axis zoomed · 0–25%
    typical government reliance, FY20–25
    How this is measured
    Government income is each org’s traced federal awards (USASpending grants and contracts) plus state payments (open checkbooks) as a share of its total revenue (IRS Form 990); the self-reported government-grant line (990 line 1e) is carried for cross-check: a grantee that reports government grants we could not trace to a source is left off the chart rather than shown as receiving none. An association, not a claim that a grant caused the public funding. Coverage is precision-first, a floor rather than a census; state records exist for 9 states, so a grantee outside them shows no state figure (dimmed) rather than a false zero. Federal award amounts are obligations, which can span years, so a single-year share is indicative. 990 filings lag 12 to 24 months.
    05Through Plinth

    Warm introductions · Powered by PlinthPlus

    How do I get to The Robert & Lois Geller Foundation?

    Find your warmest path to The Robert & Lois Geller Foundation through trustees and officers whose names appear on both boards. Search for your organization and Plinth traces the shortest route it can evidence.

    Each link is a name appearing on two organizations’ public IRS 990 filings, matched on that name and, where the filings support it, on location. A same-state match has geographic support, which is a second matching feature rather than confirmation that the two are one person; a cross-state one is the likeliest to be two people who share a name. Every hop shows its tier, low-confidence and distant paths are held back rather than guessed, and it is worth confirming the person before you use the introduction.

    On method. Every financial figure here is read from IRS e-file XML, the funder’s own 990/990-PF, and from the multi-year returns of the 48 grantees we resolved, each linked to its source. Grantee outcomes are each organization’s own program-service reporting (Form 990, Part III), read as association with funding, never as caused by it. Low-confidence name matches are suppressed rather than guessed. How we build these →

    How this is measured
    Each figure carries one of six labels. Filed is what the funder reported on its return. Official is another government record about an organization, such as a federal award or a charity register, joined by name where no shared identifier exists. Resolved is an identity we worked out where the filing named a recipient without an EIN, kept only above a measured confidence threshold. Computed is arithmetic over those, like themes, portfolio clusters and co-funder strength. Context is a statistic about a place rather than about an organization, which is what the need overlay is: it describes the area a grantee’s address sits in, not where its work lands. Inferred is drawn by a model from text, like the partnerships read out of public news and organization websites. Each is labeled where it appears.

    Generated from the IRS Form 990-PF e-file return for fiscal year 2025, released 2025. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

    Source object · view filing

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