The Cornerstone Foundation Inc logo

The Cornerstone Foundation Inc

Public charity · Grantmaker Des Plaines, IL EIN: 36-3289363 Website

Responding to the gospel, the Cornerstone Foundation is the endowment ensuring the ministries and future of lutheran social services of Illinois (LSSI). The Cornerstone Foundation is responsible for developing active support for the social services provided by LSSI. LSSI touches the lives of tens of thousands of people each year, serving people of all ages, races, religious, and economic circumstances. LSSI has more than 190 programs at more than 80 sites in the state of Illinois. These programs care for senior adults, strengthen families, help children and adults during times of crisis, and assist those who have challenges related to developmental disabilities or addiction problems.

Key facts about The Cornerstone Foundation Inc

In short: The Cornerstone Foundation Inc gave $1.2M across 1 grant in 2025 (avg $1.2M), mostly in Illinois. Source: 2025 IRS Form 990.

EIN
36-3289363
Latest 990 filing
Form 990, 2025
Annual giving (2025)
$1,200,039
Grants made (2025)
1
Average grant
$1,200,039
Median grant
$1,200,039
Total assets
$32,201,550
Primary geography
Illinois (100% of itemized 2025 grant dollars)

Data from IRS Form 990, 2025; updated September 2026.

Financial Overview

From 2025 IRS Form 990 · View filing

Total Assets

$32.2M

+8.7% YoY

Annual Giving

$1.2M

+41.2% YoY

Grant Count

1

+0.0% YoY

Avg Grant Size

$1.2M

+41.2% YoY

How The Cornerstone Foundation Inc gives

  • Giving grew 115% from 2022 to 2025. Method

From the foundation's IRS Form 990 filings. Methodology.

About The Cornerstone Foundation Inc

Based on IRS filings

The Cornerstone Foundation Inc is a public charity focused on Human Services, based in Des Plaines, IL. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $32.2M in total assets. In 2025, it awarded 1 grant totaling $1.2M. Net investment income was $1.4M.

Focus Areas

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

Share of the 2025 grant dollars on its one itemized grant.

Cities

Des PlainesSt. Paul

Giving Over Time

Total grant dollars and number of grants per year

$0$500K$1M$1.5M1 grant2020 1 grant2021 2 grants2022 1 grant2023 1 grant2024 1 grant2025

From 2020 to 2025, annual grant giving ranged from $365K (2021) to $1.2M (2025). In 2025 it made 1 grant totaling $1.2M.

Grant Insights

How this funder distributes its grants

Top Recipients

Top recipient in 2025

Lutheran Social Services of Illinois: $1.2MLutheran Social Services ofIllinois$1.2M

The largest 2025 recipient was Lutheran Social Services of Illinois ($1.2M).

Grant Size Distribution

6 grants across all recorded years

<$50K1$50–100K$100–250K2$250–500K2$500K–1M1$1–5M$5M+

The most common grant size was in the $250–500K range: 2 grants of 6 (33%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Lutheran Social Services of Illinois Des Plaines, ILSupport of Social Services$1,200,039

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Net Investment Income
$0$1M$2M$3M$4M2020 2021 2022 2023 2024 2025
Metric202520242023
Total Assets$32,201,550$29,632,259$24,541,629
Revenue$1,640,173$3,237,849$1,877,324
Expenses$1,339,645$959,992$687,957
Net Investment Income$1,405,515$793,433$492,761

Data update history

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990 for fiscal year 2020 (received by the IRS February 15, 2021)
  2. Updated Form 990 for fiscal year 2021 (received by the IRS December 17, 2021)
  3. Updated Form 990 for fiscal year 2022 (received by the IRS February 10, 2023)
  4. Updated Form 990 for fiscal year 2023 (received by the IRS April 15, 2024)
  5. Updated Form 990 for fiscal year 2024 (received by the IRS March 31, 2025)
  6. Updated Form 990 for fiscal year 2025 (received by the IRS December 16, 2025)
  7. IRS filings on file for fiscal years 2020–2025

Leadership & Key People

Officers and directors from IRS filings

The Cornerstone Foundation Inc is led by Mark A. Stutrud, CEO on every filing since 2020; none of the 24 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Mark A. Stutrud

    CEO

    On filings since 2020

    1 hr/week

    No compensation reported

  • Pr Michel Clark

    Chairperson

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • Bonalynn Wallach

    Trustee

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • Charles Price

    Trustee

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • Connie Frankenfeld

    Trustee

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • Jon A. Theeke Jr.

    Trustee

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • Marcia A. Anderson

    Trustee

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • Nancy Nagel

    Trustee

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • Pr Art Puotinen

    Trustee

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • Pr Greg Busboom

    Trustee

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • Pr John Freidheim

    Trustee

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • Roland Person

    Trustee

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • Ronald Kok-Alblas

    Trustee

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • Stephen Bishop

    Trustee

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • Susan Bernardi

    Trustee

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • Susan Gilpin

    Trustee

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • William Bill S. Fleck

    Trustee

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • David K. Wilds

    Director of Treasury Services

    On filings since 2021

    1 hr/week

    No compensation reported

  • Mark Tomaw

    Trustee

    On filings since 2021

    0.4 hrs/week

    No compensation reported

  • Carol A. Poplawski

    Vice Chairperson

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • David Novak

    Vice President of Advancement

    On filings since 2020

    1 hr/week

    No compensation reported

  • Lisa Sroga

    Vice President Finance & CFO

    Vice President Finance, CFO & Treasurer → Vice President Finance & CFO, 2021

    On filings since 2020

    1 hr/week

    No compensation reported

  • Mary Ann Smith

    Secretary

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • Thomas Cunniff

    Treasurer

    On filings since 2020

    0.4 hrs/week

    No compensation reported

Former officers (4)
  • Former: Dottie Garrity Exec Dir (2023) — Strategic Information
  • Former: Dottie Garrity (2020–2022) — Executive Director Strategic Information
  • Former: Leona Peterson-Spear (2020) — Trustee
  • Former: Thomas J. Kelly (2020) — Director of Treasury Services

Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about The Cornerstone Foundation Inc

How much does The Cornerstone Foundation Inc give each year?

The Cornerstone Foundation Inc gave $1.2M across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $850K across 1 grant.

How large is The Cornerstone Foundation Inc?

The Cornerstone Foundation Inc reported $32.2M in total assets on its 2025 IRS Form 990. Its revenue that year was $1.6M.

What is The Cornerstone Foundation Inc?

The Cornerstone Foundation Inc is a public charity focused on Human Services, based in Des Plaines, IL. It holds $32.2M in total assets as of 2025.

Where does The Cornerstone Foundation Inc operate?

The Cornerstone Foundation Inc has awarded grants in Illinois, Minnesota.

What is The Cornerstone Foundation Inc's EIN?

The Cornerstone Foundation Inc's EIN (Employer Identification Number) is 36-3289363. IRS Form 990 filing data is available on this page for 2020–2025.

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

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