Marshall E Rinker Sr Foundation Inc
The Marshall E Rinker Sr Foundation Inc is a private grantmaking foundation established in 1998 and based in West Palm Beach, Florida. As a 501(c)(3) organization, it operates as a private foundation focused on philanthropic giving across multiple states and sectors.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$25.9M
+0.4% YoY
Annual Giving
$1.4M
-17.6% YoY
Grant Count
20
+17.6% YoY
Avg Grant Size
$68K
-30.0% YoY
Mission & Focus Areas
The foundation's primary giving focus is higher education. Based on recent grant activity, the foundation supports education, science, STEM education, and human services initiatives.
Grantmaking
The foundation is an active grantmaker with recent grant activity demonstrating diverse funding interests:
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Geographic Focus
Where this funder awards grants
The foundation supports initiatives across multiple states including Connecticut, Florida, North Carolina, New York, Ohio, and South Carolina. Specific cities where funding has been directed include Cleveland, DeLand, Fairfield, Gainesville, Greenville, Palm Beach Gardens, Riviera Beach, Rochester, Tampa, West Palm Beach, Winston-Salem, and Winter Park.
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
As of 2023:
- Total Assets: $25.8–$25.9 million
- Total Revenue: $1.59 million
- Total Expenses: $1.96 million
- Total Liabilities: $0
- Investment Income and Dividends: $720,702
Financial Trend: Investment income declined 24% from 2022 ($947,670) to 2023 ($720,702).
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $25,921,655 | $25,809,457 | $26,251,142 |
| Revenue | $1,783,809 | $1,589,574 | $1,492,383 |
| Expenses | $1,671,611 | $1,958,634 | $1,905,686 |
| Qualifying Distributions | $1,458,903 | $1,748,311 | $1,746,797 |
| Net Investment Income | $1,603,123 | $1,417,697 | $1,321,994 |
| Distributable Amount | $1,637,138 | $1,533,328 | $1,604,182 |
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
110 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Leadership team and compensation from IRS filings
- President: David B. Rinker
- Vice President: Leighan R. Rinker
- Trustees/Directors: Sidney A. Stubbs and other board members
Leadership members receive nominal compensation for their roles.
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| DAVID B RINKER | PRESIDENT | 2 | $1,000 |
| LEIGHAN R RINKER | VICE PRESIDENT | 2 | $1,000 |
| SIDNEY A STUBBS | DIRECTOR | 2 | $500 |
| RICHARD A KRAUSE | DIRECTOR | 2 | $500 |
| CHRISTOPHER R RINKER | DIRECTOR | 2 | $1,000 |
| DAVID S RINKER | SECRETARY | 2 | $1,000 |
| TRACI R MILLER | DIRECTOR | 2 | $1,000 |
Recent News & Activity
Recent developments and announcements
The foundation has established significant commitments to higher education institutions:
Established a chair at the University of Florida to advance cancer research and patient care
The Marshall E. Rinker Sr. Foundation establishes chair at UF to advanceSupports the Marshall E. Rinker Sr. School of Business, with leadership involvement in advisory boards
Palm Beach Symphony CEO David McClymont Named to Marshall E. Rinker Sr. SchoolContinues active grantmaking to educational institutions including Palm Beach Atlantic University and Furman University
Johnson Scholars Foundation Grants $50,000 to Palm Beach Atlantic University\Funds experiential learning and scholarship programs at partner institutions
Marshall Foundation Awards $1.2 Million to 35 Programs that Support Scholarships,Contact Information
Address: 310 Okeechobee Boulevard, Suite 100, West Palm Beach, FL 33401-6419
Telephone: 561-835-9200
EIN: 65-0871532
Subject Areas
Focus areas based on grantmaking activity
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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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