Joseph and Vera Zilber Family Foundation Inc
Joseph and Vera Zilber Family Foundation Inc is a private foundation, based in Milwaukee, WI. IRS filing data is available from 2021 through 2023. In 2023, it awarded 2 grants totaling $3.9M. Net investment income was $409K.
Joseph and Vera Zilber Family Foundation Inc at a glance
In short: Joseph and Vera Zilber Family Foundation Inc gave $3.9M across 2 grants in 2023 (avg $1.9M), mostly in Wisconsin. Source: 2023 IRS Form 990-PF.
- Annual giving (2023)
- $3,850,531
- +28.4% vs 2022
- Grants made (2023)
- 2
- +100.0% vs 2022
- Average grant
- $1,925,266
- -35.8% vs 2022
- Median grant
- $1,925,266
- Primary geography
- Wisconsin (78% of itemized 2023 grant dollars)
- Latest 990 filing
- Form 990-PF, 2023 View filing
Data from IRS Form 990-PF, 2023; updated September 2026.
Who Joseph and Vera Zilber Family Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2023
The largest 2023 recipient was Marquette University ($3.0M). Together the top 2 received $3.9M.
Grant Size Distribution
4 grants across all recorded years
The most common grant size was in the $1–5M range: 3 grants of 4 (75%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2023 grant dollars across all 2 itemized grants.
Cities
How Joseph and Vera Zilber Family Foundation Inc gives
- In 2023 it paid out well above its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2021 to 2023, annual grant giving ranged from $3.0M (2021) to $3.9M (2023). In 2023 it made 2 grants totaling $3.9M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Marquette University Milwaukee, WI | Law School and Endowment | $3,000,000 |
| Hawaii Community Foundation Honolulu, HI | To Zilber Family Fund as Plan of Dissolution | $850,531 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2023 | — | $421,612 | $1,084,542 | $3,850,531 | 2 | $3,902,435 | $409,381 | $106,114 |
| 2022 | $3,791,449 | $1,807,742 | $440,432 | $3,000,000 | 1 | $3,046,194 | $1,771,869 | $252,834 |
| 2021 | $7,268,438 | $2,421,809 | $672,980 | $3,000,000 | 1 | — | $2,368,761 | $341,285 |
Under IRS private-foundation payout rules, Joseph and Vera Zilber Family Foundation Inc reported a distributable amount of $106K for 2023 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Joseph and Vera Zilber Family Foundation Inc is led by Marcy Zilber Jackson, President & Director on every filing since 2021; all 9 officers listed in 2023 are compensated.
Officers on the 2023 filing
Marcy Zilber Jackson
President & Director
On filings since 2021
2 hrs/week
$5K (2021) → $5K (2023)
James F Janz
Vice President & Director
On filings since 2021
2 hrs/week
$5K (2021) → $5K (2023)
John K Tsui
Director
On filings since 2021
2 hrs/week
$5K (2021) → $5K (2023)
Marilyn Zilber
Director
On filings since 2021
2 hrs/week
$5K (2021) → $5K (2023)
Melissa S A Jackson
Director
On filings since 2021
2 hrs/week
$5K (2021) → $5K (2023)
Michael P Mervis
Director
On filings since 2021
2 hrs/week
$5K (2021) → $5K (2023)
Shane M Jackson
Director
On filings since 2021
2 hrs/week
$5K (2021) → $5K (2023)
Stephan J Chevalier
Secretary, Treasurer & Director
On filings since 2021
2 hrs/week
$5K (2021) → $5K (2023)
Mark Madigan
Director
On filings since 2022
2 hrs/week
$3K (2022) → $5K (2023)
Data from IRS Form 990 filings, 2021–2023. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2023 IRS filing
The highest reported compensation on the 2023 filing was $5K, to Marcy Zilber Jackson (President/Director). 9 officers or directors reported compensation on that filing.
Frequently asked questions about Joseph and Vera Zilber Family Foundation Inc
How much does Joseph and Vera Zilber Family Foundation Inc give each year?
Joseph and Vera Zilber Family Foundation Inc gave $3.9M across 2 grants in 2023, according to its 2023 IRS Form 990-PF. In 2022 it gave $3.0M across 1 grant.
Where does Joseph and Vera Zilber Family Foundation Inc operate?
Joseph and Vera Zilber Family Foundation Inc has awarded grants in Hawaii, Wisconsin.
How much is Joseph and Vera Zilber Family Foundation Inc required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2023, Joseph and Vera Zilber Family Foundation Inc reported a distributable amount of $106K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Joseph and Vera Zilber Family Foundation Inc's EIN?
Joseph and Vera Zilber Family Foundation Inc's EIN (Employer Identification Number) is 39-6077241. IRS Form 990 filing data is available on this page for 2021–2023.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(4)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 3, 2021)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS October 25, 2022)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS September 29, 2023)
- IRS filings on file for fiscal years 2021–2023
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