George M Eisenberg Foundation
George M Eisenberg Foundation is a private foundation based in Arlington Heights, Illinois. Its 2024 filing reports 150 grants totaling $3,965,000, with recipients including health care, disability services, youth services, and hunger-relief organizations.
George M Eisenberg Foundation at a glance
In short: George M Eisenberg Foundation gave $4.0M across 150 grants in 2024 (avg $26K), mostly in Illinois. 14% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $3,965,000
- +7.0% vs 2023
- Grants made (2024)
- 150
- -2.0% vs 2023
- Average grant
- $26,433
- +9.2% vs 2023
- Median grant
- $5,000
- Total assets
- $39,782,804
- -3.6% vs 2023
- New grantees (estimate)
- 14% first-time grantees (21 of 150, 2024)
- Primary geography
- Illinois (66% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to George M Eisenberg Foundation
- Review Cycle
- The filing states that requests must be submitted by April 30 of each calendar year for consideration for funding in the next calendar year. The April 30, 2026 deadline has passed.
- Deadline
- The filing states that requests must be submitted by April 30 of each calendar year for consideration for funding in…
- Contact
Application contact: George M Eisenberg Founation Charit
Mailing address: 2340 S Arlington Heights Road, Arlington Heights, IL 60005
Phone: (847) 981-0545
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who George M Eisenberg Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was Mayo Clinic ($1.3M). Together the top 10 received $3.3M.
Grant Size Distribution
781 grants across all recorded years
The most common grant size was under $50K: 741 grants of 781 (95%).
Geographic Focus
Where this funder awards grants
In 2024, 66% of grant dollars went to Illinois recipients and 34% to Minnesota recipients. The filing reports 0% for California and Pennsylvania.
Grant Distribution by State
Share of 2024 grant dollars across all 150 itemized grants.
Cities
Is George M Eisenberg Foundation open to new grantees?
14%
first-time grantees, 2024
In 2024, 21 of 150 grantees (14%) were first-time recipients. First grants averaged $4K; repeat grants $30K. How we count
Medians: $3K first-time, $5K repeat.
- 75% of 2024 grantees were also funded in 2023. Method
- Giving held roughly steady from 2021 to 2024 (+4%). Method
- In 2024 it paid out 180% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2024, annual grant giving ranged from $3.7M (2023) to $4.0M (2024). In 2024 it made 150 grants totaling $4.0M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Mayo Clinic Rochester, MN | Social Assistance | $1,275,000 |
| Ann & Robert H Lurie Children's Hospital of Chicago Chicago, IL | Social Assistance | $530,000 |
| Northwestern University for Feinberg School of Medicine Office Development Chicago, IL | Social Assistance | $520,000 |
| Rehabilitation Institute of Chicago Chicago, IL | Social Assistance | $500,000 |
| Misericordia Home Chicago, IL | Social Assistance | $180,000 |
| Northwest Community Health Services Foundation Arlington Heights, IL | Social Assistance | $143,000 |
| Catholic Charities of the Diocese of Springfield in Illinois Inc Springfield, IL | Social Assistance | $30,000 |
| 360 Youth Services Naperville, IL | Social Assistance | $25,000 |
| Marklund Children's Home Philip Center in Bloomingdale Geneva, IL | Social Assistance | $25,000 |
| Ronald McDonald House Charities of Chicagoland & NW Indiana Oak Brook, IL | Social Assistance | $25,000 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $39,782,804 | $3,103,608 | $4,592,102 | $3,965,000 | 150 | $4,288,684 | $2,781,016 | $2,376,651 |
| 2023 | $41,271,298 | $-297,524 | $4,321,714 | $3,704,413 | 153 | $4,021,254 | $1,095,452 | $2,263,626 |
| 2022 | $45,890,536 | $404,660 | $4,524,016 | $3,828,137 | 161 | $4,143,949 | $849,680 | $2,442,391 |
| 2021 | $50,009,892 | $7,537,329 | $4,630,910 | $3,827,151 | 155 | $4,141,181 | $6,981,971 | $2,725,447 |
| 2020 | $47,103,473 | $4,706,832 | $4,546,382 | $3,849,258 | 162 | — | $4,402,444 | $2,399,515 |
Under IRS private-foundation payout rules, George M Eisenberg Foundation reported a distributable amount of $2.4M for 2024 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
The filing does not state a mission. Its 2024 grants show support for organizations working in several fields. For example, Rehabilitation Institute of Chicago says it is dedicated to patient care, research, scientific discovery, and education. Misericordia Home says it supports people with intellectual and developmental disabilities through residential, training, and employment services. 360 Youth Services describes its work as youth substance-abuse prevention, counseling, and shelter, while Beyond Hunger says it provides hunger relief and works with communities to address hunger.
The foundation’s filing says it does not restrict giving to preselected organizations and that grants are approved only for 501(c)(3) organizations.
Grantmaking
In 2024, the foundation reported 150 grants totaling $3,965,000. Grant amounts ranged from $1,000 to $1,275,000, with a median of $5,000. Its largest awards included $1,275,000 to Mayo Clinic, $530,000 to Ann & Robert H. Lurie Children’s Hospital of Chicago, $520,000 to Northwestern University for the Feinberg School of Medicine Office Development, and $500,000 to Rehabilitation Institute of Chicago.
The filing says no formal application form is required. Applicants are asked to submit a letter summarizing the request and including the organization’s legal name, IRS determination letter, a summary of the project or need, organizational history, intended use of funds, board list, latest certified financial statements with specified expense details, and names, titles, and compensation amounts for the five highest-paid individuals. The filing says grants are only approved for 501(c)(3) organizations.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Dean Marousis as president, Erin O’Brien-Cahill as vice president, Thomas Speslberg Jr. as secretary, and James Marousis as treasurer. It lists Sofia Bishop, Katie Owens, and Nancy Jourdan as directors.
George M Eisenberg Foundation is led by Dean Marousis, President since 2024 (on filings since 2020); all 7 officers listed in 2024 are compensated.
Officers on the 2024 filing
Dean Marousis
President
Director → Vice President, 2023
Vice President → President, 2024
On filings since 2020
13 hrs/week
$50K (2020) → $50K (2024)
Katie Owens
Director
Director → President, 2021
President → Director, 2022
On filings since 2020
13 hrs/week
$50K (2020) → $50K (2024)
Sofia Bishop
Director
Vice President → President, 2023
President → Director, 2024
On filings since 2020
13 hrs/week
$50K (2020) → $50K (2024)
Nancy Jourdan
Director
On filings since 2023
13 hrs/week
$50K (2023) → $50K (2024)
Erin O'Brien-Cahill
Vice President
President → Director, 2021
Director → Vice President, 2024
On filings since 2020
13 hrs/week
$50K (2020) → $50K (2024)
James Marousis
Treasurer
On filings since 2020
30 hrs/week
$94K (2020) → $104K (2024)
Thomas Speslberg Jr.
Secretary
On filings since 2020
13 hrs/week
$50K (2020) → $50K (2024)
Former officers (1)
- Former: Nancy Speslberg (2020–2022) — President
Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2024 IRS filing
The highest reported compensation on the 2024 filing was $104K, to James Marousis (Treasurer). 7 officers or directors reported compensation on that filing.
Frequently asked questions about George M Eisenberg Foundation
How much does George M Eisenberg Foundation give each year?
George M Eisenberg Foundation gave $4.0M across 150 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $3.7M across 153 grants.
What is George M Eisenberg Foundation's typical grant size?
George M Eisenberg Foundation's median grant in 2024 was $5,000, and its average grant was $26,433, across 150 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from George M Eisenberg Foundation that year got $4K on average.
Where does George M Eisenberg Foundation give grants?
George M Eisenberg Foundation gives mostly in Illinois: 66% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was Minnesota (34%). The most frequent recipient cities were Chicago, IL (53 grants), Palatine, IL (6 grants), Oak Park, IL (6 grants) and Rochester, MN (5 grants).
Does George M Eisenberg Foundation give general operating support?
Not in 2024: none of the 150 grants with a stated purpose on George M Eisenberg Foundation's 2024 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Social Assistance" (150 grants).
Who are George M Eisenberg Foundation's largest grantees?
George M Eisenberg Foundation's largest 2024 grantees include Mayo Clinic ($1,275,000), Ann & Robert H Lurie Children's Hospital of Chicago ($530,000) and Northwestern University for Feinberg School of Medicine Office Development ($520,000), according to its 2024 IRS Form 990-PF. Together they received 59% of its itemized 2024 grant dollars.
How large is George M Eisenberg Foundation?
George M Eisenberg Foundation reported $39.8M in total assets on its 2024 IRS Form 990-PF. It paid out $4.3M in qualifying distributions that year, against a required minimum of $2.4M (roughly 5% of its investment assets).
What does George M Eisenberg Foundation fund?
The filing does not state a mission. Its 2024 grants show support for organizations working in several fields. For example, Rehabilitation Institute of Chicago says it is dedicated to patient care, research, scientific discovery, and education. See mission & focus areas ↑
How do I apply for a grant from George M Eisenberg Foundation?
George M Eisenberg Foundation has no public application process in the sources Grantable reviewed. Contact the foundation directly before submitting a request.
What is George M Eisenberg Foundation's EIN?
George M Eisenberg Foundation's EIN (Employer Identification Number) is 36-3689650. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated October 2026.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
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Cite this profile
Grantable. (2026). George M Eisenberg Foundation funder profile. GrantGraph. Retrieved October 10, 2026, from https://grantable.co/funders/george-m-eisenberg-foundation-morg_20be7c946b164c748c67ca73b6c13046
BibTeX
@misc{grantable_363689650_2026,
author = {{Grantable}},
title = {{George M Eisenberg Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/george-m-eisenberg-foundation-morg_20be7c946b164c748c67ca73b6c13046},
note = {Accessed 2026-10-10. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from George M Eisenberg Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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