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New York · Private foundation

The Issroff Family 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.

$501k
Granted FY2025(still arriving)
37
Grants FY2025
13
Organizations funded FY2024
92%
First-time grantees FY2024
Read the full brief
Median grant, FY2025
$20,050
Largest grant, FY2025
$29,050
Organizations funded a year
13 to 36
FY2018 to FY2024
States reached, FY2025
4
Total assets, FY2025
$9.4M
Applications
Preselected organizations only
Per its most recent filing; check its own site

How open it is to new grantees

In FY2024, 92% of the organizations The Issroff Family Foundation funded were first-time grantees, receiving 95% of its grant dollars.

New vs renewed · share of each year

In FY2024, 5% of grant dollars renewed an existing relationship; $190k went to new ones.

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

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

’18’19’20’21’22’23’24
InternationalHuman ServicesEducationPhilanthropyArts & CultureRecreation & SportsOther
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.
The numbers by year
Fiscal yearOrganizations fundedTo those organizationsFirst-time grantees
FY2025still arriving37$501k95%
FY202413$200k92%
FY202320$364k65%
FY202226$445k42%
FY202136$409k50%
FY202036$381k36%
FY201935$433k29%
FY201828$394k29%
100% classified

What it funded, over time

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

Education$1.3MInternational$795kCommunity Improvement$396kYouth Development$310kPublic Benefit$256kPublic Safety & Disaster$94kPhilanthropy$87kHuman Services$78kOther$0

Where its grants go

Grant dollars by states, across the years we hold.

Which US states its grants reach

NH
WA
IL
MI
NY
MA
OR
IN
OH
PA
NJ
CT
RI
CA
UT
CO
VA
MD
DE
AZ
TN
SC
DC
AL
GA
TX
FL

Top grantees

Largest recipients by total granted, FY2017 to FY2025, and the share of each one’s budget the grants supplied at peak.

GranteeTotal grantedYearsShare of their budget
Echoing Green Inc$335,00081%
African Leadership Foundation$125,00061%
New Africa Fund Inc$110,25019%
Arbor Brothers Inc Dba Arbor Rising$97,50071%
Mindleaps$95,00054%
Robin Hood Foundation$85,00060%
The Trustees of Princeton University$85,00070%
Cycle Connect Inc$77,00065%
Educate$55,00050%
One World Childrens Fund$44,50041%
Show all 62 grantees
All grantees of The Issroff Family Foundation by total granted
GranteeTotal grantedYearsShare of their budget
Echoing Green Inc$335,00081%
African Leadership Foundation$125,00061%
New Africa Fund Inc$110,25019%
Arbor Brothers Inc Dba Arbor Rising$97,50071%
Mindleaps$95,00054%
Robin Hood Foundation$85,00060%
The Trustees of Princeton University$85,00070%
Cycle Connect Inc$77,00065%
Educate$55,00050%
One World Childrens Fund$44,50041%
Ubuntu Pathways Inc$40,23651%
Wesleyan University$35,00070%
Global Fund for Children$30,55020%
Yiya Solutions Inc$27,50037%
Mama Hope Inc$25,800118%
Friends of Pjl Madagascar$25,050116%
Freely in Hope$25,05017%
Asembo Skills for Hope Inc$25,050137%
Youth Renewal Fund$25,00030%
Spark Microgrants Inc$25,00031%
Agahozo-Shalom Youth Village Inc$22,50030%
Imagine Her - Ih$21,05029%
Robert Katende Initiative$21,050214%
Globalgiving Foundation Inc$20,30010%
Arigatou International-New York Inc$20,05014%
Recreation Project$20,050116%
Lwala Community Alliance$20,00040%
Moving Windmills Project Inc$14,05015%
Kakenya Center for Excellence$8,80030%
Teach for All Inc$7,50020%
Roots Africa Inc$5,00012%
Tunapanda Institute$5,00022%
SheJumps$4,50030%
Brooklyn Community Bail Fund Inc$3,05010%
Emma's Torch Ltd$3,00010%
Coaching for Change Inc$3,00011%
Chamber of Mothers Inc$2,5001n/a
Outdoor Afro$2,50020%
Omena Inc$2,50013%
The Pollination Project Foundation$2,50010%
Joyful Heart Foundation$2,50010%
Coalition for the Homeless Inc$2,50010%
Soul Foundation Inc$2,00011%
Emerging Leaders in Technology and Engineering Inc$2,0001n/a
Project Goal Inc$2,0001n/a
Safe Passage Project Corporation$1,5001n/a
Non-Profit Technology Enterprise Network Dba Nten$1,25010%
Peace Direct Inc$1,25010%
Pollyanna Foundation$1,00011%
Equal Justice Initiative$1,00010%
Let's Breakthrough Inc$1,00010%
Datakind Inc$75010%
Clean Air Task Force Inc$75010%
The Life You Can Save$62510%
The Future Society Inc$62510%
Terrapraxis Inc$62510%
The Good Food Institute Inc$62510%
Trickle Up Program Inc$50010%
New Georgia Project Inc$50010%
The Knowledge House Fellowship Inc$50010%
Wikimedia Foundation Inc$50010%
Modo Collective Inc$2501n/a

What it could do for these grantees

Plus 89 recipients with no EIN on record ($1.9M), not named here.

Where it is load-bearing

The Issroff Family Foundation supplied at least a quarter of the budget for 1 of its grantees at some point. The chart plots its 57 largest grantees; load-bearing ones sit top left.

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetEchoing Green Inc: $335,000 over 8y, 0.8% of budgetAfrican Leadership Foundation: $125,000 over 6y, 0.5% of budgetNew Africa Fund Inc: $110,250 over 1y, 9.4% of budgetArbor Brothers Inc Dba Arbor Rising: $97,500 over 7y, 0.8% of budgetMindleaps: $95,000 over 5y, 4.4% of budgetRobin Hood Foundation: $85,000 over 6y, 0.0% of budgetThe Trustees of Princeton University: $85,000 over 7y, 0.0% of budgetCycle Connect Inc: $77,000 over 6y, 5.0% of budgetEducate: $55,000 over 5y, 0.4% of budgetOne World Childrens Fund: $44,500 over 4y, 0.8% of budgetUbuntu Pathways Inc: $40,236 over 5y, 0.5% of budgetWesleyan University: $35,000 over 7y, 0.0% of budgetGlobal Fund for Children: $30,550 over 2y, 0.1% of budgetYiya Solutions Inc: $27,500 over 3y, 6.5% of budgetMama Hope Inc: $25,800 over 1y, 18% of budgetFriends of Pjl Madagascar: $25,050 over 1y, 16% of budgetFreely in Hope: $25,050 over 1y, 6.6% of budgetAsembo Skills for Hope Inc: $25,050 over 1y, 37% of budgetYouth Renewal Fund: $25,000 over 3y, 0.1% of budgetSpark Microgrants Inc: $25,000 over 3y, 1.5% of budgetAgahozo-Shalom Youth Village Inc: $22,500 over 3y, 0.1% of budgetImagine Her - Ih: $21,050 over 2y, 9.1% of budgetRobert Katende Initiative: $21,050 over 2y, 14% of budgetGlobalgiving Foundation Inc: $20,300 over 1y, 0.0% of budgetArigatou International-New York Inc: $20,050 over 1y, 4.1% of budgetRecreation Project: $20,050 over 1y, 16% of budgetLwala Community Alliance: $20,000 over 4y, 0.2% of budgetMoving Windmills Project Inc: $14,050 over 1y, 4.5% of budgetKakenya Center for Excellence: $8,800 over 3y, 0.2% of budgetTeach for All Inc: $7,500 over 2y, 0.0% of budgetRoots Africa Inc: $5,000 over 1y, 1.7% of budgetTunapanda Institute: $5,000 over 2y, 1.8% of budgetSheJumps: $4,500 over 3y, 0.5% of budgetBrooklyn Community Bail Fund Inc: $3,050 over 1y, 0.1% of budgetEmma's Torch Ltd: $3,000 over 1y, 0.1% of budgetCoaching for Change Inc: $3,000 over 1y, 0.6% of budgetOutdoor Afro: $2,500 over 2y, 0.1% of budgetOmena Inc: $2,500 over 1y, 3.0% of budgetThe Pollination Project Foundation: $2,500 over 1y, 0.2% of budgetJoyful Heart Foundation: $2,500 over 1y, 0.1% of budgetCoalition for the Homeless Inc: $2,500 over 1y, 0.0% of budgetSoul Foundation Inc: $2,000 over 1y, 0.5% of budgetNon-Profit Technology Enterprise Network Dba Nten: $1,250 over 1y, 0.1% of budgetPeace Direct Inc: $1,250 over 1y, 0.2% of budgetPollyanna Foundation: $1,000 over 1y, 0.5% of budgetEqual Justice Initiative: $1,000 over 1y, 0.0% of budgetLet's Breakthrough Inc: $1,000 over 1y, 0.3% of budgetDatakind Inc: $750 over 1y, 0.0% of budget

Tap a dot to name the grantee.

How this is measured
Share of budget is the funder’s grant in a year over the grantee’s total revenue that year, at its highest across the years we hold; revenue is from all sources. Only grantees confirmed against their own filings, whose grants do not exceed their revenue, are plotted: the largest 57.

Nonprofits that may fit its grantmaking

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.

Segal Family Foundation IncNJ24× affinity9 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Segal Family Foundation Inc · Silicon Valley Community Foundation · Tides Foundation · The Skoll Foundation · Wellspring Philanthropic Fund Inc · Conrad N Hilton Foundation · The Goldman Sachs Charitable Gift Fund · Rippleworks Inc · Impactassetsinc · Boston Foundation Inc · The Rockefeller Foundation · Globalgiving Foundation Inc

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.

Compare The Issroff Family Foundation with peer funders

Warm introductions · Powered by PlinthPlus

How do I get to The Issroff Family Foundation?

Find your warmest path to The Issroff Family 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.

About The Issroff Family Foundation

How much does The Issroff Family Foundation give?
The Issroff Family Foundation reported 37 grants totaling $500,926 in its FY2025 IRS filing. It funded between 13 and 36 organizations a year over FY2018 to FY2024.
What does The Issroff Family Foundation fund?
By grant dollars over FY2017 to FY2025, its largest causes are Education (39%), International (23%), Community Improvement (11%).
Who are The Issroff Family Foundation's largest grantees?
By total granted over FY2017 to FY2025: Echoing Green Inc ($335k), African Leadership Foundation ($125k), New Africa Fund Inc ($110k).
Does The Issroff Family Foundation fund new organizations?
In FY2024, 92% of the organizations it funded were first-time grantees.
Does The Issroff Family Foundation accept unsolicited applications?
Its most recent filing reports that it funds preselected organizations and does not take unsolicited requests. Check the foundation's own site before ruling it out.
Which funders back the same organizations as The Issroff Family Foundation?
Its strongest co-funders, measured against what their size predicts, include Segal Family Foundation Inc, Silicon Valley Community Foundation, Tides Foundation.
Where is The Issroff Family Foundation based?
The Issroff Family Foundation is based in NY.

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 157 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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