Skip to content
Plinth
Foundation Dossiers
Plinth

· Private foundation

The Papp 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.

$249k
Granted FY2024still arriving
35
Grants FY2024still arriving
5
States reached
$30k
Largest
01What you fundRead
02The needRead
03Your edgeRead
04Your fieldRead
05Through PlinthRead
01What you fund
0198% classified

What you funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year — across FY2019–2024.

Arts & Culture$772kInternational$455kEducation$165kAnimals$150kHealth$81kEnvironment$76kReligion$29kSocial Science$26kOther$0
02FY2024 · 35 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2024

  • Under $10k26 grants · $71k
  • $10k–50k9 grants · $178k
$4,500
Median grant
5
States reached
$4.3M
Total assets
Largest grants
RecipientAmount
PHOENIX ART MUSEUM$30,000
CHILDREN OF THE NATION$30,000
ASU FOUNDATION$30,000
BALLET ARIZONA$22,500
PHOENIX ZOO$15,465
SOCIETY OF ST VINCENT DEPAUL$15,000
PHOENIX ART MUSEUM$15,000
HEARD MUSEUM$10,000
HAPI$10,000
FRED HUTCHINSON CANCER CENTER$5,000
DESERT BOTANICAL GARDEN$5,000
MIDWESTERN UNIVERSITY$5,000
SANDRA DAY O'CONNOR INSTITUTE$5,000
UNIVERSITY OF SAN DIEGO$5,000
FRED HUTCHINSON CANCER CENTER$5,000
02The need
03

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.

show:

Your human-services grants (FY19–24, $456k) land where the poverty rate runs at 10%, against an area that typically sits at 10%. 0% of those dollars go to grantees based in above-average-need neighborhoods. Your grants skew toward lower-need ZIPs.

area typical 10%CHILDREN OF THE NATION: $155k → 10%CHILDREN OF THE NATION: $60k → 10%CHILDREN OF THE NATION: $50k → 10%CHILDREN OF THE NATION: $44k → 10%CHILDREN OF THE NATION: $40k → 10%CHILDREN OF THE NATION: $30k → 10%CHILDREN OF THE NATION: $25k → 10%CHILDREN OF THE NATION: $25k → 10%CHILDREN OF THE NATION: $20k → 10%CHILDREN OF THE NATION: $6k → 10%VALLEY OF THE SUN YMCA: $250 → 11%GREATER PHOENIX JEWISH FILM FESTIVA: $500 → 11%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount

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

WA
IL
PA
CA
UT
MD
AZ
HI
TX
FL

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.

03Your edge
repeat funding

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.

94%of every dollar goes to organizations you’ve funded before.
$1.7M · 32 repeat orgs$103k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +35% since the first grant, against +20% for the ones you funded once.

32 repeat relationships — 19 still active in FY2024, 13 since wound down; 8 grantees were first funded in FY2024 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

32
37

Total granted

$1.7M
$74k

Median revenue growth · since first grant

+35%
+20%

Still filing today

91%
43%

New vs renewed · share of each year

In FY2024, 88% of grant dollars renewed an existing relationship; $30k went to new ones.

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

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

’19’20’21’22’23’24
Arts & CultureAnimalsHealthEducationHuman ServicesReligionOther

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

  • PA
    PHOENIX ART MUSEUM
    5× · 2019–2024 · $642k · revenue +44%
  • CO
    CHILDREN OF THE NATIONS
    6× · 2019–2024 · $455k · revenue +4%
  • ARIZONA STATE UNIVERSITY FOUNDATION FOR A NEW AMERICAN UNIVERSITY
    4× · 2019–2024 · $88k · revenue +84%

Funded once

  • GS
    GIRL SCOUTS
    one grant, 2023 · $10k
  • ES
    ELEVATEMED SCHOLARS FUND
    one grant, 2021 · $10k
  • T4
    THE 493 FIREFIGHTERS FOUNDATION
    one grant, 2023 · $5k

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

04Your field

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.

1
The Dons of Arizona
Education
2
Arizona-Sonora Desert Museum

We inspire people to live in harmony with the natural world by fostering love, appreciation, and understanding of the sonoran desert.

Arts & Culture
3
Banner -University Medical Group

Assist banner health complete its mission to make health care easier so life can be better by providing integrated & coordinated care & population health management.

Health
4
Arizona Center for Nature Conservation

The arizona center for nature conservation advances the stewardship and conservation of animals and their habitats while providing experiences that inspire people and motivate them to care for the natural world.

Animals
5
Arizona Opera Company

Arizona opera elevates the transformative power of storytelling through music - cultivating community and strengthening a state and people as adventurous and diverse as the place they call home.

Arts & Culture
6
Arizona Theatre Company

ATC's mission is to create world-class theatre about what it means to be alive today - inspiring curiosity and creativity, sparking empathy and joy - bringing all Arizonans together.

Arts & Culture
7
Arizona Latin-American Medical Association
Unclassified
8
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
9
Boyce Thompson Southwestern Arboretum
—
10
Arizona Chapter of the American Academy of Pediatrics

Azaap is committed to improving the health of arizona children and supporting the pediatric professionals who care for them.

Health
11
Arizona Christian University

Arizona christian university provides a biblically-integrated, liberal arts education equipping graduates to serve the lord jesus christ in all aspects of life, as leaders of influence and excellence.

Education
12
Greater Phoenix Chamber of Commerce

Greater phoenix chamber of commerce (the chamber) catalyzes regional prosperity with forward-thinking public policy, intentional economic growth, and diverse, prepared talent.

—

For reference, the grantee most central to the portfolio’s shape is Arizona Science Center and the most unlike its peers is Institute of Human Origins. 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.

← shrinkinggrowing →↓ leaning in → pulling backsteadyVeterans Service Organizati…Community Arts & PerformanceProfessional & Trade Associ…Animal Rescue and Rehabilit…San Diego Community Foundat…
the sector your giving your giving is ahead of the sector the sector’s ahead of you· dot size = how much the theme matters to each side
Ordered by the change in your giving — leaning in on top, pulling back at the bottom. The bar between the two dots is how out of step you are with the sector. Hover any row for detail.

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 44 years old; the field is 12. You back the established end — and your money leans older still.

THE FIELDby orgYOUR GRANTEESby number28%0%<5yr17%5%5–10yr19%14%10–20yr15%25%20–35yr10%21%35–55yr12%36%55yr+
THE FIELDby orgYOUR MONEYby value28%0%<5yr17%0%5–10yr19%2%10–20yr15%35%20–35yr10%9%35–55yr12%53%55yr+

The field is 28% startups (under 5 years old) — 0% of your grantees by number, and just 0% of your money.

Closures · last 5 years

The orgs you fund almost never close — 0.0% lost their exemption, against 16% of the field you don’t fund.

orgs you fund
0.0%0/51
the rest of the field
16%
4,465/28,434

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.

04the grantee network

51 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. 51 of the 78 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.

1
Load-bearing (≥25% of a budget)
9
Early backer (in before they grew)
51/51
Grantees still filing
38/51
Grew since you first funded

Where your money sits — by cause, then by grantee

PHOENIX ART MUSEUM — $642,382 · Arts & CulturePHOENIX ART MUSEUMBALLET ARIZONA — $40,620 · Arts & CultureBALLET ARIZONATHE HEARD MUSEUM — $32,882 · Arts & Culture+9 more — $32,478 · Arts & CultureCHILDREN OF THE NATIONS — $454,760 · Human ServicesCHILDREN OF THE NATIONS+2 more — $750 · Human ServicesTHE PHOENIX ZOO — $83,506 · OtherTHE PHOENIX ZOOINSTITUTE OF HUMAN ORIGINS — $22,100 · OtherINSTITUTE OF HUM…ARIZONA FIVE ARTS CIRCLE — $20,742 · OtherARIZONA FIVE ART…UNIVERSITY OF SAN DIEGO — $12,500 · OtherGIRL SCOUTS — $10,000 · OtherELEVATEMED SCHOLARS FUND — $10,000 · OtherDIOCESAN COUNCIL FOR THE SOCIETY OF ST VINCENT DE PAUL DIOCESE PHOENIX — $25,000 · OtherDIOCESAN COUNCIL…VALLEY OF THE SUN UNITED WAY — $20,000 · OtherVALLEY OF THE SU…+31 more — $59,931 · Other+31 moreARIZONA STATE UNIVERSITY FOUNDATION FOR A NEW AMERICAN UNIVERSITY — $88,000 · EducationHA P I — $30,000 · EducationMidwestern University — $10,500 · Education+3 more — $5,558 · EducationHONORHEALTH FOUNDATION — $53,500 · HealthFred Hutchinson Cancer Center — $10,000 · HealthSOUTHWEST AUTISM RESEARCH AND RESOURCE CENTER — $7,000 · HealthThe Susan G Komen Breast Cancer Foundation Inc — $5,000 · HealthVALLEYWISE HEALTH FOUNDATION — $3,000 · Health+2 more — $600 · HealthDESERT BOTANICAL GARDEN INC — $75,861 · EnvironmentArizona Humane Society — $35,500 · AnimalsAMERICAN ASSOCIATION OF ZOOLOGICAL PARKS AND AQUARIUMS INC — $7,500 · AnimalsFROSTED FACES FOUNDATION INC — $5,500 · AnimalsSAN DIEGO HUMANE SOCIETY AND SPCA — $5,000 · AnimalsPHOENIX HERPETOLOGICAL SOCIETY INC — $5,000 · AnimalsTHE ARIZONA ANIMAL WELFARE LEAGUE — $3,500 · Animals+4 more — $3,850 · Animals
Arts & Culture$748,362Human Services$455,510Other$263,779Education$134,058Health$79,100Environment$75,861Animals$65,850

Each org by its size and your share of it — top-left is where you’re load-bearing

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ your share of their budgetPHOENIX ART MUSEUM — $642,382 over 5y, 4.3% of budgetCHILDREN OF THE NATIONS — $454,760 over 6y, 2.3% of budgetARIZONA STATE UNIVERSITY FOUNDATION FOR A NEW AMERICAN UNIVERSITY — $88,000 over 4y, 0.0% of budgetDESERT BOTANICAL GARDEN INC — $75,861 over 4y, 0.1% of budgetHONORHEALTH FOUNDATION — $53,500 over 3y, 0.2% of budgetBALLET ARIZONA — $40,620 over 4y, 0.2% of budgetArizona Humane Society — $35,500 over 4y, 0.0% of budgetTHE HEARD MUSEUM — $32,882 over 4y, 0.1% of budgetHA P I — $30,000 over 4y, 3.2% of budgetDIOCESAN COUNCIL FOR THE SOCIETY OF ST VINCENT DE PAUL DIOCESE PHOENIX — $25,000 over 2y, 0.0% of budgetINSTITUTE OF HUMAN ORIGINS — $22,100 over 3y, 100% of budgetVALLEY OF THE SUN UNITED WAY — $20,000 over 2y, 0.0% of budgetUNIVERSITY OF SAN DIEGO — $12,500 over 3y, 0.0% of budgetMidwestern University — $10,500 over 3y, 0.0% of budgetFred Hutchinson Cancer Center — $10,000 over 1y, 0.0% of budgetAMERICAN ASSOCIATION OF ZOOLOGICAL PARKS AND AQUARIUMS INC — $7,500 over 4y, 0.0% of budgetBE A LEADER FOUNDATION — $7,500 over 2y, 0.2% of budgetSOUTHWEST AUTISM RESEARCH AND RESOURCE CENTER — $7,000 over 3y, 0.0% of budgetARIZONA SCIENCE CENTER — $6,950 over 3y, 0.1% of budgetHISTORICAL LEAGUE INC — $6,000 over 2y, 8.2% of budgetArizona Citizens for the Arts — $5,500 over 2y, 1.5% of budgetFROSTED FACES FOUNDATION INC — $5,500 over 3y, 0.2% of budgetSAN DIEGO HUMANE SOCIETY AND SPCA — $5,000 over 2y, 0.0% of budgetJUSTA CENTER INC — $5,000 over 1y, 0.4% of budgetThe Susan G Komen Breast Cancer Foundation Inc — $5,000 over 1y, 0.0% of budgetPHOENIX HERPETOLOGICAL SOCIETY INC — $5,000 over 1y, 0.5% of budgetSANDRA DAY O'CONNOR INSTITUTE FOR AMERICAN DEMOCRACY — $5,000 over 1y, 0.2% of budgetARIZONA ARTS CIRCLE LTD — $5,000 over 1y, 4.0% of budgetPHOENIX SYMPHONY ASSOCIATION — $4,200 over 3y, 0.0% of budgetNorthwestern University — $4,000 over 2y, 0.0% of budgetTHE ARIZONA ANIMAL WELFARE LEAGUE — $3,500 over 1y, 0.0% of budgetVALLEYWISE HEALTH FOUNDATION — $3,000 over 2y, 0.0% of budgetTrends Charitable Fund — $3,000 over 2y, 0.3% of budgetLSB LEAKEY FDTN FOR RESEARCH RELATED TO HUMAN ORIGINS BEHAVIOR AND SURVIVAL — $2,500 over 1y, 0.1% of budgetPHOENIX GOSPEL MISSION — $2,000 over 2y, 0.0% of budgetSCOTTSDALE ARTS — $2,000 over 1y, 0.0% of budgetBEST FRIENDS ANIMAL SOCIETY — $1,500 over 2y, 0.0% of budgetSAN DIEGO MUSEUM OF ART — $1,500 over 1y, 0.0% of budgetRAINBOW FRIENDS ANIMAL SANCTUARY — $1,250 over 1y, 0.9% of budgetSCOTTSDALE MUSEUM OF THE WEST INC — $1,228 over 2y, 0.0% of budgetZOOLOGICAL SOCIETY OF PHILADELPHIA — $1,000 over 1y, 0.0% of budgetTHE FRANK LLOYD WRIGHT FOUNDATION — $1,000 over 1y, 0.0% of budgetGREATER PHOENIX JEWISH FILM FESTIVAL INC — $500 over 1y, 0.3% of budgetTHE BOARD OF VISITORS — $500 over 1y, 0.0% of budgetValley of the Sun Young Men's Christian Association — $250 over 1y, 0.0% of budgetACT ONE — $100 over 1y, 0.0% of budgetARIZONA COMMUNITY FOUNDATION — $100 over 1y, 0.0% of budgetUniversity of Arizona Foundation — $100 over 1y, 0.0% of budget
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.

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.

L Roy Papp Charitable…Arizona Community Fou…Virginia G Piper Char…The Foundation for Co…Jewish Community Foun…Thunderbirds CharitiesThe Herberger Foundat…Livingston FoundationThe Diane and Bruce H…The Virginia M Ullman…Robert H McKee and Ma…Moreno Family Foundat…
L Roy Papp Charitable TrustAZ37× affinity15 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: L Roy Papp Charitable Trust · Arizona Community Foundation · Virginia G Piper Charitable Trust · The Foundation for Community and Health Advancement · Jewish Community Foundation of Greater Phoenix · Thunderbirds Charities · The Herberger Foundation · Livingston Foundation · The Diane and Bruce Halle Foundation · The Virginia M Ullman Foundation · Robert H McKee and Mary Ellen McKee Charitable Family Foundation · Moreno Family Foundation

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 The Papp 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.

2024
’20’21’22’23’24’25
no gov · 00%6%25%56%100%your share of their income ↑0%25%50%75%100%share of the org’s income from government →
    no gov moneyreceives it· size = income
    0get no government money at all
    13report government grants on their 990 we could not trace to a source (not plotted)
    0rely on government for over half their income
    typical government reliance, FY20–25

    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.

    05Through Plinth

    Warm introductions · Powered by PlinthPlus

    How do I get to The Papp Family Foundation?

    Find your warmest path to The Papp 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.

    On method. Every financial figure here is read directly from IRS e-file XML — your own 990/990-PF and the multi-year returns of the 78 grantees we resolved across every year we hold, several hundred filings in all (a different count from the grant rows on the cover, which are one fiscal year)— each linked to its source. Grantee achievements and outcomes are each organization’s own program-service reporting (Form 990, Part III); we read these as association with sustained funding — the foundation is one of several forces — suppress low-confidence name matches rather than guess, and say so where a figure rests on a single grant or filing. Not everything on this page is a filed figure, and the difference matters. Filed is what you reported on your 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. How we build these →

    Generated from your IRS Form 990-PF e-file return for fiscal year 2024, released 2024. Filings run roughly 12–24 months behind; figures are dated accordingly.

    Source object · view filing

    More from the funding graph

    The unnamed billions
    grants reported with no recipient in the public record
    The regranting layer
    51% of grant dollars land in the regranting layer
    The DAF merry-go-round
    $9.7B circulates between donor-advised funds
    The camps
    funders cluster by geography, not ideology
    By state
    where grant money is based, and what stays home
    State money flows
    the interactive map of money crossing state lines