Cless Family Foundation

NORTHBROOK, IL EIN: 36-3796675

The Cless Family Foundation is a private foundation established in 1992 and based in Northbrook, Illinois. The foundation operates as a 501(c)(3) organization with tax-exempt status since January 1992.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

Annual Giving

$2.8M

-22.7% YoY

Grant Count

26

-16.1% YoY

Avg Grant Size

$108K

-7.8% YoY

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

Mission & Focus Areas

The foundation supports a diverse range of charitable causes, with demonstrated funding interests in:

  • Medical research
  • Education
  • Healthcare
  • Arts and culture
  • Community improvement and capacity building

Grantmaking

The foundation does not accept unsolicited applications.

Grant Range

$50,000 to $905,000

How to Apply

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Geographic Focus

Where this funder awards grants

The foundation has demonstrated funding activity in Illinois and nationally, with particular support for organizations in the Chicago metropolitan area and beyond.

Grant Distribution by State

9states
+1 more states

Cities

BALTIMOREBUHLCHICAGOCOLLEYBILLEDURHAMEVANSTONEVANTSONGLENVIEWLOS ANGELESMEMPHISNAPLESNORTHBROOKORLANDORLANDOROSEMONTSAN FRANCISCOSHOSHONESKOKIESTUARTTERRE HAUTE

Financial History

Multi-year comparison from IRS filings

Assets & Revenue (2024):

  • Total assets: $19,993,626 to $20,557,725
  • Total revenues: $1,768,823
  • Total expenses: $2,826,088
  • Investment income and dividends: $503,602

Historical Giving Trends:

  • 2024: $3.6 million in total giving
  • 2023: $4.9 million in total giving
  • 2022: $2.9 million in total giving
  • 2021: $2.5 million in total giving

The foundation maintains zero employees and has no liabilities.

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$0.275$0.55$0.8250000000000001$1.120202021202220232024
Metric202420232022
Total Assets
Revenue
Expenses
Qualifying Distributions
Net Investment Income
Distributable Amount

Giving Over Time

Total grant dollars and number of grants per year

$0$1M$2M$4M$5M33 grants202036 grants202127 grants202231 grants202326 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

SCHWAB CHARITABLE$667KSTAND UP TO CANCER$502KGLENVIEW YOUTH SERVICES$425KDUKE UNIVERSITY$250KNORTHLIGHT THEATRE$250KETHS EDUCATION FOUNDATION$100KNORTHSHORE HOSPITALS FOU…$100KBOOKS & BREAKFAST$50KCHICAGO ENGINEER'S FOUND…$50KFOUNDATION 65$50K

Grant Size Distribution

153 grants across all recorded years

80<$50K40$50–100K14$100–250K9$250–500K7$500K–1M3$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Leadership team and compensation from IRS filings

The foundation is led by the following trustees and directors:

  • Ruth I Cless (President/Treasurer/Director)
  • Martin Cless (Director)
  • Jennifer U Zehr (Vice President/Secretary/Director)
  • Bryan C Cless (Director)
  • Stephen G Cless (Director)

All listed leadership serve without compensation.

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
RUTH I CLESSPRES/TREAS/DIRECTOR
MARTIN CLESSDIRECTOR
JENNIFER U ZEHRVP/SECRETARY/DIRECTOR
BRYAN C CLESSDIRECTOR
STEPHEN G CLESSDIRECTOR

Related Funders

Similar funders by location and focus area

Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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