Bill & Marian Cook Foundation
The Bill & Marian Cook Foundation is a private grantmaking foundation based in Scottsdale, Arizona. Established in 1997, it operates as a 501(c)(3) organization with a focus on supporting charitable causes through strategic philanthropic grants.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$26.5M
+0.6% YoY
Annual Giving
$1.3M
+30.9% YoY
Grant Count
18
+5.9% YoY
Avg Grant Size
$71K
+23.6% YoY
Mission & Focus Areas
The foundation does not have a publicly stated mission statement. However, its grantmaking priorities include:
- Medical Research: Treatment for Lyme disease and related research
- Public Policy: Support for sound public policy initiatives
- Education: Scholarships and educational programs
- Healthcare: Disease-specific research and fellowships
- Environmental Education: Grazing education programs
- Disaster Relief: Emergency response funding
- Human Services: Support for at-risk children and related services
Grantmaking
The foundation made 22 grants in 2024, including:
Grant Range
& Range:**
Average Grant
amount varies by program
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Geographic Focus
Where this funder awards grants
The foundation primarily funds organizations in:
- Montana
- Arizona
- Virginia
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
As of Fiscal Year 2024:
- Total Assets: $26,461,054
- Total Giving: $1,281,000
- Total Revenues: $1,827,870
- Total Expenses: $1,672,467
- Giving Rate: 4.6%
As of Fiscal Year 2023:
- Total Assets: $26,305,651–$26.3M
- Total Giving: $1,215,119
- Total Revenue: $914,831
- Total Expenses: $1,373,607
The foundation has zero employees and zero liabilities.
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $26,461,054 | $26,305,651 | $26,764,428 |
| Revenue | $1,827,870 | $914,831 | $2,550,708 |
| Expenses | $1,672,467 | $1,373,607 | $1,797,552 |
| Qualifying Distributions | $1,281,000 | $1,215,119 | $1,610,381 |
| Net Investment Income | $1,420,318 | $756,343 | $2,419,559 |
| Distributable Amount | $1,566,347 | $1,434,255 | $1,460,245 |
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
107 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
The foundation is led by:
- Paul Tantet – Officer (15 hours/week, $64,000 compensation)
- Ninon Tantet – Secretary/Treasurer (15 hours/week, $64,000 compensation)
- Calvin Christian – Vice President (15 hours/week, $64,000 compensation)
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| Ninon Tantet | President | 15 | $64,000 |
| Calvin T Christian | Vice President | 15 | $64,000 |
| Paul Tantet | Director | 15 | $64,000 |
Contact Information
Address: 23233 N Pima Rd Ste 113 PMB 359 Scottsdale, AZ 85255
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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