Koeppen-gerlach Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in MILWAUKEE, WI. IRS filing data is available from 2021 through 2025. In 2025, it awarded 6 grants totaling $243K.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
—
Annual Giving
$243K
+223.3% YoY
Grant Count
6
+0.0% YoY
Avg Grant Size
$40K
+223.3% YoY
About Koeppen-gerlach Foundation
Based on IRS filings
Koeppen-gerlach Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in MILWAUKEE, WI. IRS filing data is available from 2021 through 2025. In 2025, it awarded 6 grants totaling $243K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | — | — | — |
| Revenue | — | — | — |
| Expenses | — | — | — |
| Qualifying Distributions | — | — | — |
| Net Investment Income | — | — | — |
| Distributable Amount | — | — | — |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 6 recipients in 2025
Grant Size Distribution
33 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2025 grants, the largest include Conservancy for Healing and Heritag ($102,500), Milwaukee County Historical Society ($90,000), Milwaukee Public Museum ($30,000).
| Recipient | Purpose | Amount |
|---|---|---|
| MILWAUKEE COUNTY HISTORICAL SOCIETY MILWAUKEE, WI | PROGRAM SUPPORT | $90,000 |
| MILWAUKEE INSTITUTE OF ART DESIGN MILWAUKEE, WI | PROGRAM SUPPORT | $5,000 |
| FOREST HOME CEMETERY ARBORETUM MILWAUKEE, WI | PROGRAM SUPPORT | $5,000 |
| MILWAUKEE PUBLIC MUSEUM MILWAUKEE, WI | PROGRAM SUPPORT | $30,000 |
| TEN CHIMNEYS FOUNDATION INC WAUKESHA, WI | PROGRAM SUPPORT | $10,000 |
| CONSERVANCY FOR HEALING AND HERITAG FRANKLIN, WI | PROGRAM SUPPORT | $102,500 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2025 IRS filing
From 2025 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| DAVID AFFELDT | PRESIDENT | 1 | — |
| THOMAS BOETTCHER | VICE PRESIDENT | 1 | — |
| THOMAS TUTTLE | TREASURERSECRETARY | 1 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Koeppen-gerlach Foundation?
Koeppen-gerlach Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in MILWAUKEE, WI. It holds — in total assets as of 2025.
Where does Koeppen-gerlach Foundation operate?
Koeppen-gerlach Foundation has awarded grants in Wisconsin.
What size grants does Koeppen-gerlach Foundation award?
In 2025, Koeppen-gerlach Foundation awarded 6 grants totaling $243K — an average of about $40K per grant, based on its IRS Form 990 filings.
What is Koeppen-gerlach Foundation's EIN?
Koeppen-gerlach Foundation's EIN (Employer Identification Number) is 39-2002931. IRS Form 990 filing data is available on this page for 2021–2025.
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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