· Private foundation
Korff Family Foundation
Its FY2024 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.
What you funded, over time
Every grant placed by its stated purpose and the recipient’s mission, by year — across FY2017–2024.
Where the money goes
Your grants by size, and where they go.
By grant size · FY2024
- Under $10k20 grants · $27k
- $10k–50k1 grant · $25k
| Recipient | Amount |
|---|---|
| FEDERATION OF JEWISH COMMUNITIES | $25,000 |
| Individual grant recipient | $9,000 |
| PEF ISRAEL ENDOWMENT PEFISRAEL | $2,160 |
| MOUNT SINAI HEALTH SYSTEM | $1,800 |
| DEMENG PRO ISRAEL NETWORK-AIPAC | $1,800 |
| Individual grant recipient | $1,800 |
| Itrek Inc | $1,800 |
| LAW & HUMANITIES INSTITUTE | $1,800 |
| Individual grant recipient | $1,800 |
| Individual grant recipient | $1,500 |
| ELLUMINATE | $1,000 |
| BEST BUDDIES | $500 |
| Worldwide Friends Foundation | $360 |
| CONGREGATION ORACH CHAIM | $360 |
| THE GIVING BACK FUND | $360 |
Do your dollars go where the need is?
Each grant placed by the hardship in its grantee’s ZIP, then read against the area’s typical level.
Your human-services grants (FY17–24, $20k) land where the poverty rate runs at 9%, against an area that typically sits at 11%. 12% of those dollars go to grantees based in above-average-need neighborhoods. Your grants skew toward lower-need ZIPs.
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty linein the grantee’s ZIP, averaged from the tracts in that ZIP; grantee ZIP can differ from where services are delivered.
Which US states your grants reach
US grants placed by each grantee’s ZIP, which can differ from where services are actually delivered. Need from public data — U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA — shown as context about the area, never attributed to your giving.
Who you back again
Which organizations you funded more than once, and which you funded a single time. Each grantee is matched to its own filings.
And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +76% since the first grant, against +6% for the ones you funded once.
25 repeat relationships — 7 still active in FY2024, 18 since wound down; 13 grantees were first funded in FY2024 (too recent to call).
How the two cohorts compare
Organizations
Total granted
Median revenue growth · since first grant
Still filing today
New vs renewed · share of each year
In FY2024, 27% of grant dollars renewed an existing relationship; $38k went to new ones.
Where new relationships form · theme of each grantee’s first grant
First-time = a grantee’s first year in your filing window; renewed = funded in an earlier year too. As a portfolio matures the renewed share naturally climbs — once funded, an org stays “renewable” — so the signal is the years that buck it (a new-grantee intake wave). 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
- DBDISABILITY BELONGS4× · 2018–2021 · $18k · revenue +102%
- JFJEWISH FOUNDATION FOR EDUCATION OF WOMEN4× · 2018–2023 · $15k · revenue +56%
- UJUNITED JEWISH APPEAL-FEDERATION OF JEWISH PHILANTHROPIES OF NEW YORK INC5× · 2018–2023 · $14k · revenue +22%
Funded once
- MYM Y KEREN HASHLUCHIM INCone grant, 2022 · $100k
- FOFJC of Ukraine Incone grant, 2023 · $50k
- IGIndividual grant recipientone grant, 2021 · $25k
Repeat = funded in two or more distinct years; growth and survival are read from each grantee’s own subsequent IRS filings.
The map has a center of gravity: the average direction from the rest of the sector toward the organizations the foundation funds — the shape of its giving. Scoring every nonprofit along that direction surfaces the ones that look most like the portfolio. These are the closest matchesthat aren’t grantees — a resemblance in what they say they do, not a recommendation.
Biu produces students who excel in the sciences, humanities, law, engineering, business & the arts.
The weizmann institute of science, located in rehovot, israel, is one of the worlds top-ranking, multidisciplinary research institutions. at any one time, several thousand scientists, staff and students are involved in hundreds of research…
Committed to exceptional healthcare quality for all and actively engaged with our community, einstein drives scientific discovery and educates compassionate leaders in health and science.
The israel institute, inc. (the institute) enhances knowledge about modern israel by ensuring that more students have access to courses about israel during their time on campus.
The mission of the jewish museum is to collect, preserve, exhibit and interpret art and jewish culture. see schedule o for more information.
The jewish agency binds jews across ideologies and civilizations together in a worldwide jewish family with israel at its center. it provides the global framework for aliyah, ensures global jewish safety, strengthens jewish identity and…
Support the hebrew univ. of jerusalem, israel's foremost center of higher edu. & research.
The yeshiva university high schools has as its educational mission to teach and perpetuate the values of torah and secular studies. see schedule o.
See schedule othe organization is a not-for-profit, public charity established in 1911 to provide for the quality and continuity of jewish life in western new york and around the world through private philanthropy. the foundation seeks,…
Fordham university, the jesuit university of new york, is committed to the discovery of wisdom and the transmission of learning, through research and through education of the highest quality. for more information, see schedule o.
We fundraise in the u.s. to support, and raise awareness of, bar-ilan university in israel.
For reference, the grantee most central to the portfolio’s shape is Disability Belongs and the most unlike its peers is The Law & Humanities Institute. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
For each theme you fund, this compares how the sector’s money is shifting with how your own giving is shifting.
Sector change and giving change are each shown relative to their own range, growing (right) or shrinking (left); both normalized, so inflation isn’t mistaken for growth.
Your grantees are a median of 37 years old; the field is 18. You back the established end — and your money leans older still.
The field is 19% startups (under 5 years old) — 2% of your grantees by number, and just 1% of your money.
The orgs you fund almost never close — 0.0% lost their exemption, against 10% of the field you don’t fund.
Age = years since IRS exemption (a founding proxy). “Closed” = auto-revocation for 3 years of non-filing — a floor on closure, not proof, and bigger established orgs lapse least. Association, not causation.
48 grantees tracked through their own filings, 2017–2025.
Each one resolved to its own IRS returns and tracked year by year — your grant beside their revenue from every source. Association, dated; never a causal claim.
Counted here: distinct organizations you funded across 2017–2025, not grant rows in a single year — so this will not match the grant count on the cover. 48 of the 148 grantees resolved in that span have returns of their own we could reconcile; the rest are funded organizations whose filings we could not track year by year.
Where your money sits — by cause, then by grantee
Each org by its size and your share of it — top-left is where you’re load-bearing
Go grantee by grantee — a decade per org, and how each moved after you funded them
A decade per grantee — revenue shaded, your grants as bars, all rows on one timeline.
- Who funds JEWISH NATIONAL FUND (KEREN KAYEMETH LEISRAEL) INC ↗
- Who funds DISABILITY BELONGS ↗
- Who funds JEWISH FOUNDATION FOR EDUCATION OF WOMEN ↗
- Who funds UNITED JEWISH APPEAL-FEDERATION OF JEWISH PHILANTHROPIES OF NEW YORK INC ↗
- Who funds FRIENDS OF UNISTREAM INC ↗
- Who funds YESHIVA UNIVERSITY ↗
- Who funds AMERICA-ISRAEL FRIENDSHIP LEAGUE INC ↗
- Who funds Worldwide Friends Foundation ↗
- Who funds TRUSTEES OF BOSTON COLLEGE ↗
- Who funds JEWISH NATIONAL FUND-USA INC ↗
- Who funds THE SUMMIT SCHOOL ↗
- Who funds THE CENTER FOR JEWISH HISTORY INC ↗
- Who funds ITREK INC ↗
- Who funds BRANDEIS UNIVERSITY ↗
- Who funds Teach for America Inc ↗
The grantmakers whose grantees overlap with yours far more than size alone predicts. Each orbits closer the stronger the alignment; the arcs between them show where they also fund each other. Here it reads as a tightly interlocked camp — most of these funders back each other's grantees too.
Open a dossier: Jewish Communal Fund · Combined Jewish Philanthropies of Greater Boston Inc · United Jewish Appeal-Federation of Jewish Philanthropies of New York Inc · Gs Donor Advised Philanthropy Fund for Wealth Management Inc · Jewish Community Foundation of Los Angeles · National Philanthropic Trust · Jewish Community Foundation of Greater Metrowest NJ · Morgan Stanley Global Impact Funding Trust Inc · Fjc · The Goldman Sachs Charitable Gift Fund · Vanguard Charitable Endowment Program · The Ojc Fund
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. A research starting point: overlap is association, not proof of shared intent.
Government reliance of your grantees
Every dot is one organization Korff Family Foundation funds. Left–right is the share of its income from government; up–down is the share from you. Bigger dots raise more. Filter to federal or a single department — and drag the year to watch it move.
- Hht Foundation — 30% of income from government
- Brandeis University — 9% of income from government
- Best Buddies International Inc — 4% of income from government
- Trustees of Boston College — 3% of income from government
- Boston Symphony Orchestra Inc — 0% of income from government
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 your grant caused the public funding. Coverage is precision-first — a floor, not 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 12–24 months.
Warm introductions · Powered by PlinthPlus
How do I get to Korff Family Foundation?
Find your warmest path to Korff 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.