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· Public charity

Erwin and Isabelle Ziegelman Foundation

Expand access to, and the appreciation of, dance.

$16k
Granted FY2019
2
Grants FY2019
2
States reached
$11k
Largest
01What it funds
0194% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2019.

Arts & Culture$73kHealth$11kHousing & Shelter$10kInternational$5kPublic Safety & Disaster$5kYouth Development$3kOther$0
02FY2019 · 2 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2019

  • Under $10k1 grant · $5k
  • $10k–50k1 grant · $11k
$10,500
Median grant
2
States reached
$2.3M
Total assets
Largest grants
RecipientAmount
PERLMAN MUSIC PROGRAM$10,500
NEW WALDEN WRITERS RETREAT$5,000
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 (FY18–19) land where the poverty rate runs at 16%, against an area that typically sits at 11%. 70% of its dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 11%PERLMAN MUSIC PROGRAM: $11k → 7%AMERICAN RED CROSS: $5k → 17%ONE BREATH AT A TIME INC: $5k → 13%CHAMBER MUSIC SOCIETY-DETROIT: $10k → 21%SAVE THE CHILDREN: $5k → 9%NEW WALDEN WRITERS RETREAT: $5k → 31%FJK DANCE INC: $5k → 17%DETROIT SYMPHONY ORCHESTRA: $5k → 21%DETROIT INSTITUTE OF ARTS: $1k → 21%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.
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 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
Foundation for Modern Opera
—
2
San Francisco Jazz Organization

The san francisco jazz organization (the organization) is a recognized international leader in jazz creation, presentation, and education. the organization explores the full spectrum of jazz, from the music's origins in the african…

Arts & Culture
3
Princeton Symphony Orchestra Inc

The mission of the princeton symphony orchestra is to leverage the power of live music to uplift the human experience.

Arts & Culture
4
The Diller-Quaile School of Music Inc

For more than a century, diller-quaile has offered an environment where music can flourish in all its aspects, enriching the lives of students of all ages and cultural backgrounds. the belief that music is a fundamental part of human life…

Arts & Culture
5
Manhattan School of Music

Manhattan school of music is deeply committed to excellence in education, performance, and creative activity; to the humanity of the school's environment; and to the cultural enrichment of the larger community. a premiere international…

Arts & Culture
6
String Insiders

String Insiders' mission is to inspire violin, viola, and cello students through online and in-person connections to teachers, peers, and a wealth of information that challenges and encourages them in their growth as a musician and helps…

Human Services
7
The Performance Art Museum

The performance art museum (pam) is the first u.s. institution exclusively dedicated to the presentation and preservation of live art. our mission is to facilitate the powerful impact of live experiences that can profoundly transform our…

Arts & Culture
8
Chicago Wind Symphony
Arts & Culture
9
San Francisco Opera Association

We believe opera is a uniquely compelling, entertaining and emotionally thrilling art form. our mission is to bring together growing audiences to experience opera's transformative power.

Arts & Culture
10
Miami Music Project Inc

Miami music project uses music as an instrument for social transformation, empowering children to acquire values and achieve their full potential, positively affecting their society through the study and performance of music. our vision is…

Arts & Culture
11
Orpheus Chamber Orchestra Inc

See schedule oorpheus chamber orchestra creates extraordinary musical experiences that enrich lives and empower individuals through collaboration, education, innovation, and a passion for artistic excellence. orpheus strives to be the…

Arts & Culture
12
Concerto Soloists Chamber Orchestra of Philadelphia

To be a sustainable musical institution that brings the intimate experience of a world-class chamber orchestra performance to the greater philadelphia area,enriching the musical life of the city and region by the integrity and excellence…

Arts & Culture
How this is measured
The grantee most central to the portfolio’s shape is Detroit Symphony Orchestra Inc; the most unlike its peers is Fjk Dance 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

10 grantees tracked through their own filings, 2017–2025.

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 2025, not grant rows in a single year, so this will not match the grant count on the cover. 10 of the 15 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)
2
Early backer (in before they grew)
10/10
Grantees still filing
6/10
Grew since first funded

Where the money sits, by cause and then by grantee

CHAMBER MUSIC DETROIT: $20,500 · Arts & CultureCHAMBER MUSIC DETROITTHE PERLMAN MUSIC PROGRAM INC: $10,500 · Arts & CultureTHE PERLMAN MUSIC PROGRAM INCTHE PERLMAN MUSIC PROGRAMSUNCOAST INC: $10,000 · Arts & CultureTHE PERLMAN MUSIC PROGRAMSUNCOAST INCDETROIT SYMPHONY ORCHESTRA INC: $5,000 · Arts & CultureDETROIT SYMPHONY ORCHESTRA INCFJK DANCE INC: $5,000 · Arts & CultureFJK DANCE INC+1 more: $1,000 · Arts & CultureThe Perlman Music Program: $15,000 · OtherThe Perlman Music ProgramONE BREATH AT A TIME INC: $10,000 · OtherONE BREATH AT A TIME INCAMERICAN RED CROSS: $5,000 · OtherAMERICAN RED CROSSNEW WALDEN WRITERS RETREAT: $5,000 · OtherNEW WALDEN WRITERS RETREAT+2 more: $2,000 · Other+2 morePULMONARY FIBROSIS FOUNDATION: $10,000 · HealthPULMONARY …Save The Children Federation Inc: $5,040 · InternationalOut Youth Inc: $2,500 · Youth Development
Arts & Culture$52,000Other$37,000Health$10,000International$5,040Youth Development$2,500

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

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetCHAMBER MUSIC DETROIT: $20,500 over 2y, 1.5% of budgetTHE PERLMAN MUSIC PROGRAM INC: $10,500 over 1y, 0.3% of budgetPULMONARY FIBROSIS FOUNDATION: $10,000 over 1y, 0.1% of budgetTHE PERLMAN MUSIC PROGRAMSUNCOAST INC: $10,000 over 1y, 1.1% of budgetONE BREATH AT A TIME INC: $10,000 over 2y, 31% of budgetSave The Children Federation Inc: $5,040 over 1y, 0.0% of budgetDETROIT SYMPHONY ORCHESTRA INC: $5,000 over 1y, 0.0% of budgetFJK DANCE INC: $5,000 over 1y, 4.3% of budgetOut Youth Inc: $2,500 over 1y, 0.6% of budgetTHE DETROIT INSTITUTE OF ARTS: $1,000 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.

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.

Donor Advised Charitable Giving IncCO6.5× affinity4 shared granteesties to 1 of 1Hover any node to trace its alignments.Compare side by side →

Open a dossier: 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 Erwin and Isabelle Ziegelman Foundation funds: left to right is the share of its income from government, bottom to top the share from Erwin and Isabelle Ziegelman Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 20%0%1%3%5%funder's share of their income ↑0%10%20%30%40%share of the org’s income from government →median 30%
  • Save the Children Federation Inc: 30% of income from government
no gov moneyreceives it· size = income
2get no government money at all
1report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–40%
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.
04Through Plinth

Warm introductions · Powered by PlinthPlus

How do I get to Erwin and Isabelle Ziegelman Foundation?

Find your warmest path to Erwin and Isabelle Ziegelman 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 15 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 2019, released 2019. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Possibly out of date. A more recent filing (FY2025) is on record and reports no grant expense, so the figures above are from FY2019, the most recent year this funder made grants.

Source object · view filing

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