The Duffield Family Foundation, operating under the doing-business-as name Maddie's Fund, is a private 501(c)(3) foundation based in Pleasanton, California. Established in 2000 in Nevada and merged with Maddie's Fund in 2008, the foundation operates as the nation's leading family foundation focused exclusively on companion animal welfare. The organization was founded by Dave Duffield, co-founder and former Chair and CEO of PeopleSoft and founder of Workday, Inc., along with his wife Cheryl Duffield, as a promise to their beloved miniature schnauzer, Maddie.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$266.7M
+2.6% YoY
Annual Giving
$11.9M
+18.0% YoY
Grant Count
298
+12.9% YoY
Avg Grant Size
$40K
+4.5% YoY
Under IRS private-foundation payout rules, The Duffield Family Foundation reported a distributable amount of $12.5M for 2024 — the minimum it must pay out in qualifying distributions.
Mission & Focus Areas
The foundation's mission is to create a no-kill nation where all healthy and treatable shelter dogs and cats are guaranteed a loving home. To achieve this goal, the foundation invests its resources in:
- Community collaborations where animal welfare organizations develop successful lifesaving models
- Veterinary colleges to help shelter medicine become part of the veterinary curriculum
- Private practice veterinarians to encourage greater participation in the animal welfare cause
- Implementation of national strategies to collect and report shelter statistics
- Keeping pets and people together through community-centered initiatives
Grantmaking
Grant Range
** $3,000 to $1,500,000+
Review Cycle
).
How to Apply
** Mixed approach with various grant programs and different cycles. Online applications available through the foundation's website.
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Geographic Focus
Where this funder awards grants
National focus throughout the United States, with primary grantmaking in California, Texas, and New York.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
As of Fiscal Year 2024:
- Total Assets: $266.7 million to $267 million
- Annual Revenue: $12.5 million
- Total Giving: $11.8 million to $11.9 million
- Annual Expenses: $24.9 million
- Total Liabilities: $24.4 million
Staff: 27 employees
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $266,741,354 | $259,973,566 | $258,368,317 |
| Revenue | $12,487,603 | $15,164,945 | $20,065,038 |
| Expenses | $24,855,367 | $16,187,369 | $19,408,003 |
| Qualifying Distributions | $16,516,765 | $14,533,056 | $14,729,304 |
| Net Investment Income | $10,967,067 | $13,731,740 | $17,016,251 |
| Distributable Amount | $12,476,643 | $12,245,655 | $13,731,821 |
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
2 open opportunities from The Duffield Family Foundation
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Best Friends Animal Society ($750,000), Austin Pets Alive ($562,500), Austin Pets Alive ($562,500).
| Recipient | Purpose | Amount |
|---|---|---|
| 831PAWDYGUARD RESCUE SOLEDAD, CA | NEW GRANTEE OPERATING SUPPORT | $5,000 |
| ACTION PROGRAMS FOR ANIMALS LAS CRUCES, NM | NEW GRANTEE OPERATING SUPPORT | $5,000 |
| ADVENTURES WITH AUTISM STONE MOUNTAIN, GA | NEW GRANTEE OPERATING SUPPORT | $10,000 |
| ALBUQUERQUE KENNEL KOMPADRES CORRALES, NM | OPEN ARMS CHALLENGE 2023 | $3,000 |
| ALBUQUERQUE KENNEL KOMPADRES CORRALES, NM | NEW GRANTEE OPERATING SUPPORT | $20,000 |
| ALLIANCE FOR CONTRACEPTION IN CATS & DOGS PORTLAND, OR | 2022 - 2024 VISIONARY CIRCLE | $25,000 |
| AMERICAN BULLIES AGAINST BULLYING LAUDERHILL, FL | NEW GRANTEE OPERATING SUPPORT | $5,000 |
| AMERICAN COLLEGE OF VETERINARY BEHAVIORISTS PROVIDENCE, RI | 2024 VETERINARY BEHAVIOR SYMPOSIUM | $1,000 |
| ANIMAL BIRTH CONTROL CLINIC WACO, TX | OPEN ARMS CHALLENGE 2023 | $5,000 |
| ANIMAL CARE LEAGUE OAK PARK, IL | MPF MONTHLY GRANT GIVEAWAY - OCTOBER 2023 | $3,000 |
Leadership & Key People
Leadership team and compensation from IRS filings
- Dave Duffield: Founder
- Cheryl Duffield: Co-founder
- Amy Zeifang: Principal Officer
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| AMY D ZEIFANG | CHAIRMAN | 30 | $199,839 |
| LAURIE PEEK | SECRETARY | 20 | $144,574 |
| MICHAEL DUFFIELD | BOARD MEMBER | 1 | — |
| MARY IPPOLITI-SMITH | EXECUTIVE LEADER | 40 | $341,625 |
| VALERIE STOLTENBERG | VP FINANCE | 30 | $182,576 |
| STEVE HILL | TREASURER | 2 | $12,720 |
Recent News & Activity
Recent developments and announcements
The foundation celebrated its 30th anniversary in 2024, having awarded over $301 million in grants to animal welfare organizations nationwide. Recent grant announcements include:
Dave & Cheryl Duffield Foundation Provides $1.9M Grant for Yes to Care Program,$1.9 million grant for the Yes to Care Program, a collaboration to improve access to veterinary care
Dave & Cheryl Duffield Foundation Provides $1.9M Grant for Yes to Care Program,$6 million grant to advance veterinary care for pets nationwide
Dave & Cheryl Duffield Foundation\u2019s $6 Million Grant to Advance Veterinary\$2.5 million gift to Army & Navy Academy for preservation and betterment of the Duffield Sports Complex
Dave & Cheryl Duffield Foundation\u2019s $6 Million Grant to Advance Veterinary\Contact Information
Address: 6150 Stoneridge Mall Road, Suite 125, Pleasanton, CA 94588
Phone: (925) 310-5450
Email: grants@maddiesfund.org
Website: www.maddiesfund.org
EIN: 94-3362163
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What does The Duffield Family Foundation fund?
The foundation's mission is to create a no-kill nation where all healthy and treatable shelter dogs and cats are guaranteed a loving home. To achieve this goal, the foundation invests its resources in: • Community collaborations where animal welfare organizations develop successful lifesaving models • Veterinary colleges to help shelter medicine become part of the veterinary curriculum • Private practice veterinarians to encourage greater participation in the animal welfare cause • Implementati…
How do I apply for a grant from The Duffield Family Foundation?
**Grant Range:** $3,000 to $1,500,000+ **Annual Giving:** $11.8 million to $11.9 million (2024) **Cumulative Grants Awarded:** Over $301 million since 1994 **Application Process:** Mixed approach with various grant programs and different cycles. Online applications available through the foundation's website. **Active Grant Programs:** • Maddie's University Online Instructor-Led Courses: Competitive, instructor-led online courses for animal welfare staff and volunteers. Organizations whose repre…
Where does The Duffield Family Foundation make grants?
National focus throughout the United States, with primary grantmaking in California, Texas, and New York.
What size grants does The Duffield Family Foundation award?
In 2024, The Duffield Family Foundation awarded 298 grants totaling $11.9M — an average of about $40K per grant, based on its IRS Form 990 filings.
How much is The Duffield Family Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, The Duffield Family Foundation reported a distributable amount of $12.5M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is The Duffield Family Foundation's EIN?
The Duffield Family Foundation's EIN (Employer Identification Number) is 94-3362163. IRS Form 990 filing data is available on this page for 2020–2024.
Explore Open Grants
Browse active grant opportunities in The Duffield Family Foundation's focus areas in our free grants database
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Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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