William & Hope G Simpson Foundation

Grantmaker Chicago, IL EIN: 36-6071622

The William & Hope G Simpson Foundation is a private foundation based in Chicago, Illinois. It reported 14 grants totaling $1,293,111 in 2024, supporting organizations including a school, a museum, youth organizations, and community and medical-service organizations.

Key facts about William & Hope G Simpson Foundation

In short: William & Hope G Simpson Foundation gave $1.3M across 14 grants in 2024 (avg $92K), mostly in Massachusetts. 0% of 2024 grantees were new. Source: 2024 IRS Form 990 filing.

EIN
36-6071622
Latest 990 filing
Form 990 filing, 2024
Annual giving (2024)
$1,293,111
Grants made (2024)
14
Average grant
$92,365
Median grant
$10,000
New grantees (estimate)
0% first-time grantees (0 of 14, 2024)
Primary geography
Massachusetts (78% of itemized 2024 grant dollars)
Accepts unsolicited proposals
No
How to apply
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests. Full details ↓

Data from IRS Form 990 filing, 2024; updated September 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Financial Overview

From 2024 IRS Form 990 filing · View filing

Total Assets

—

Annual Giving

$1.3M

+327.8% YoY

Grant Count

14

-6.7% YoY

Avg Grant Size

$92K

+358.4% YoY

Is William & Hope G Simpson Foundation open to new grantees?

0%

first-time grantees, 2024

In 2024, 0 of 14 grantees (0%) were first-time recipients. How we count

  • 100% of 2024 grantees were also funded in 2023. Method
  • Giving grew 155% from 2021 to 2024. Method

Estimate from itemized grant lists in IRS Form 990 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.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

No mission statement for the foundation is provided. Its 2024 grants went to organizations with varied purposes. Middlesex School describes its mission as helping students “find their promise” through intellectual, physical, creative, and ethical education. Jupiter Island Medical Clinic says it provides medical services to community members regardless of ability to pay, while Hobe Sound Community Chest says it funds programs promoting the social and educational wellbeing of Hobe Sound residents in need. Chicago Zoological Society describes its mission as inspiring conservation leadership by connecting people with wildlife and nature.

Grantmaking

In 2024, the foundation awarded 14 grants totaling $1,293,111. Grant amounts ranged from $111 to $1,000,000, with a median of $10,000. Its largest reported grants were $1,000,000 to Middlesex School for field house construction and $200,000 to the International Skydiving Museum and Hall of Fame for a restricted purpose. Other reported grants included $31,500 to Boys and Girls Club of New York and $10,000 each to Fay School, Hobe Sound Community Chest, Jupiter Island Medical Clinic, Memorial Sloan-Kettering Cancer Center, and Semper Fi & Americans Fund.

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Geographic Focus

Where this funder awards grants

In 2024, Massachusetts recipients received 78% of grant dollars and Virginia recipients received 15%. Smaller shares went to recipients in New York (3%), Florida (2%), and California (1%).

Grant Distribution by State

9states

Share of 2024 grant dollars across all 14 itemized grants.

Cities

Hobe SoundNew YorkConcordChicagoBrookfieldFredericksburgOceansidePhoenixJupiterSouthboroughMill NeckNorth Hobe SoundOyster BayPort OrangeSouth BouroughTallahasseeNewburyPhiladelphia

Giving Over Time

Total grant dollars and number of grants per year

$0$500K$1M$1.5M20 grants2020 9 grants2021 18 grants2022 15 grants2023 14 grants2024

From 2020 to 2024, annual grant giving ranged from $302K (2023) to $1.3M (2024). In 2024 it made 14 grants totaling $1.3M.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Middlesex School: $1.0MMiddlesex School$1.0MInternational Skydiving Museum and Hall of Fame: $200KInternational Skydiving Museumand Hall of Fame$200KBoys and Girls Club of New York: $32KBoys and Girls Club of NewYork$32KFay School: $10KFay School$10KHobe Sound Community Chest: $10KHobe Sound Community Chest$10KJupiter Island Medical Clinic INC: $10KJupiter Island Medical ClinicINC$10KMemorial Sloan-Kettering Cancer Center: $10KMemorial Sloan-KetteringCancer Center$10KSemper Fi & Americans Fund: $10KSemper Fi & Americans Fund$10KTurning Point USA: $5KTurning Point USA$5KChicago Zoological Society: $2KChicago Zoological Society$2K

The largest 2024 recipient was Middlesex School ($1.0M). Together the top 10 received $1.3M.

Grant Size Distribution

76 grants across all recorded years

68<$50K$50–100K5$100–250K2$250–500K$500K–1M1$1–5M$5M+

The most common grant size was under $50K: 68 grants of 76 (89%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Middlesex School Concord, MAField House Construction$1,000,000
International Skydiving Museum and Hall of Fame Fredericksburg, VARestricted$200,000
Boys and Girls Club of New York New York, NYUnrestricted$31,500
Fay School South Bourough, MAUnrestricted$10,000
Hobe Sound Community Chest Hobe Sound, FLUnrestricted$10,000
Jupiter Island Medical Clinic INC Hobe Sound, FLUnrestricted$10,000
Memorial Sloan-Kettering Cancer Center New York, NYUnrestricted$10,000
Semper Fi & Americans Fund Oceanside, CAMatch$10,000
Turning Point USA Phoenix, AZUnrestricted$5,000
Chicago Zoological Society Brookfield, ILUnrestricted$2,000

Financial History

Multi-year comparison from IRS filings

Filing year Grant total Grant count
2024 $1,293,111 14
2023 $302,272 15
2022 $613,746 18

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Jonathan B Mellin as president, Debra M Mcoy as secretary, and Mark Liyeos as treasurer. It lists Howard B Simpson, Sheila C Issenberg, and James Curtis III as directors.

William & Hope G Simpson Foundation is led by Jonathan B Mellin, President on every filing since 2020; none of the 6 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Jonathan B Mellin

    President

    On filings since 2020

    No compensation reported

  • Howard B Simpson

    Director

    On filings since 2020

    No compensation reported

  • James F. Curtis III

    Director

    On filings since 2020

    No compensation reported

  • Sheila C Issenberg

    Director

    On filings since 2020

    No compensation reported

  • Debra M Mcoy

    Secretary

    On filings since 2020

    No compensation reported

  • Mark Liyeos

    Treasurer

    On filings since 2020

    No compensation reported

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.

Contact

Mailing address: 30 S Wacker Drive 2875, Chicago, IL 60606-7482
Phone: (312) 726-3110

Frequently asked questions about William & Hope G Simpson Foundation

How much does William & Hope G Simpson Foundation give each year?

William & Hope G Simpson Foundation gave $1.3M across 14 grants in 2024, according to its 2024 IRS Form 990 filing. In 2023 it gave $302K across 15 grants.

What is William & Hope G Simpson Foundation's typical grant size?

William & Hope G Simpson Foundation's median grant in 2024 was $10,000, and its average grant was $92,365, across 14 grants on its 2024 IRS Form 990 filing.

Where does William & Hope G Simpson Foundation give grants?

William & Hope G Simpson Foundation gives mostly in Massachusetts: 78% of the grant dollars itemized on its 2024 IRS Form 990 filing went to recipients there. The next largest state was Virginia (15%). The most frequent recipient cities were Hobe Sound, FL (3 grants) and New York, NY (2 grants).

Does William & Hope G Simpson Foundation give general operating support?

Yes: 71% of William & Hope G Simpson Foundation's 2024 grants with a stated purpose (10 of 14) were for general or operating support, per its 2024 IRS Form 990 filing.

Who are William & Hope G Simpson Foundation's largest grantees?

William & Hope G Simpson Foundation's largest 2024 grantees include Middlesex School ($1,000,000), International Skydiving Museum and Hall of Fame ($200,000) and Boys and Girls Club of New York ($31,500), according to its 2024 IRS Form 990 filing. Together they received 95% of its itemized 2024 grant dollars.

What does William & Hope G Simpson Foundation fund?

No mission statement for the foundation is provided. Its 2024 grants went to organizations with varied purposes. Middlesex School describes its mission as helping students “find their promise” through intellectual, physical, creative, and ethical education. See mission & focus areas ↑

How do I apply for a grant from William & Hope G Simpson Foundation?

The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is William & Hope G Simpson Foundation's EIN?

William & Hope G Simpson Foundation's EIN (Employer Identification Number) is 36-6071622. IRS Form 990 filing data is available on this page for 2020–2024.

Does William & Hope G Simpson Foundation accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

Data last updated September 2026. Sourced from IRS Form 990 filings. Research dossier generated September 2026.

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