Trio Foundation of St Louis
The Trio Foundation of St. Louis is a private foundation based in Saint Louis, Missouri, established in 1990. The foundation operates as a 501(c)(3) organization dedicated to advancing community enhancement, human potential, and ecological well-being through strategic grantmaking.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
—
Annual Giving
$1.7M
+0.9% YoY
Grant Count
91
-20.9% YoY
Avg Grant Size
$19K
+27.5% YoY
Mission & Focus Areas
Mission Statement: The Trio Foundation of St. Louis values community enhancement, fulfillment of human potential and ecological well-being. The Foundation expresses these values through supporting programs and organizations that promote equity of opportunity, independence, equitable access to the creative experience, ecological preservation, and environmental justice.
Strategic Framework: The foundation's grantmaking framework, established in 2001 and recently updated, focuses on three primary strategic areas:
Equity and Opportunity: Increasing opportunity for everyone, particularly those who may experience discrimination based on race, ethnicity, gender, sexual orientation, socioeconomic status, and/or physical ability. The foundation recognizes the impact of racial discrimination in the community and views racial equity as essential to addressing systemic problems.
Human Empowerment: Creating opportunities for people to live up to their potential through programs promoting independence and fulfillment.
Environmental Stewardship: Supporting ecological preservation and environmental justice initiatives.
The foundation emphasizes trust-based, collaborative approaches and aims to build authentic relationships with all partners and community members. Within these focus areas, the foundation also addresses cross-cutting needs including housing, healthcare, and childcare as components of supported programs.
Grantmaking
The foundation uses an online application portal for all proposals.
Grant Range
$1,500–$50,000
Average Grant
amount: Not specified in available data
Review Cycle
** August 14, 2026 at 5:00 PM CT (for 2026 cycle)
How to Apply
**
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Geographic Focus
Where this funder awards grants
The foundation concentrates the vast majority of its giving in Saint Louis City and immediate near counties in Missouri.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
As of 2024:
- Total Assets: $34,352,338
- Total Revenues: $1,099,284
- Total Expenses: $2,026,059
- Total Giving: $1,690,000
- Staff: 1 employee
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| 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 10 recipients in 2024
Grant Size Distribution
250 grants across all recorded years
Open Grants
1 open opportunity from Trio Foundation of St Louis
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Leadership team and compensation from IRS filings
- Marissa Berkow Rosen – Executive Director (compensation: $75,000 as of 2024)
- Wendy F. Jaffe – Assistant Secretary (compensation: $85,000 as of 2023)
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| MARISSA BERKOW ROSEN | EXECUTIVE DIRECTOR (BEG. 1/1/2024) | 30 | $75,000 |
| TERRI S MASON | PRESIDENT | 3 | — |
| WILLIAM L NUSSBAUM JR | VICE PRESIDENT/TREASURER | 2 | — |
| MARY B MOOG | SECRETARY/ASSISTANT TREASURER | 2 | — |
| CAROLINE CAPLAN | DIRECTOR (BEG. 1/1/2024) | 2 | — |
| NICKI FRIEDLAND | DIRECTOR | 2 | — |
| JAMES R MOOG | DIRECTOR | 2 | — |
| THOMAS H MOOG | DIRECTOR | 2 | — |
| LINDA B NUSSBAUM | DIRECTOR | 2 | — |
Recent News & Activity
Recent developments and announcements
The foundation announced its 2026 grant cycle and is continuing with its current grantmaking framework and focus areas. The foundation is in the midst of a multi-year transition process to implement its updated strategic framework, which emphasizes increased focus on racial equity and discrimination prevention. The board has committed to working thoughtfully and respectfully with current longtime grantees during this transition period to ensure smooth adjustments for organizations that may no longer align with the new strategic goals.
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Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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