Endowment / Foundation

Maddie’s Fund

Maddie's Fund is a family foundation established in 1994 by Dave and Cheryl Duffield, fulfilling a promise to their dog, Maddie. The foundation provides a national voice, funding, learning resources, and opportunities to collaborate for animal welfare.

Maddie’s Fund

Maddie's Fund is a family foundation established in 1994 by Dave and Cheryl Duffield, fulfilling a promise to their dog, Maddie. The foundation provides a national voice, funding, learning resources, and opportunities to collaborate for animal welfare. It has awarded over $300 million in grants towards increased community lifesaving, pioneering shelter medicine education, and establishing foster care as a standard across the U.S.

General information

Firm type

Endowment / Foundation

Year founded

1994

AUM

Location

Region

North America

Country

City

Pleasanton

Corporate office

6150 Stoneridge Mall Road, Suite 125

Frequently asked questions

What is Maddie’s Fund?

Maddie’s Fund is a endowment / foundation headquartered in Pleasanton.

When was Maddie’s Fund founded?

Maddie’s Fund was founded in 1994.

Where is Maddie’s Fund headquartered?

Maddie’s Fund is headquartered in Pleasanton, in the North America region.

How many professionals work at Maddie’s Fund?

Altss tracks approximately 50 professionals associated with Maddie’s Fund.

What does Altss track for Maddie’s Fund?

Altss maintains an OSINT-verified profile of Maddie’s Fund covering investment focus (ESG policy, ticket size, target IRR, currency preference, regional focuses, industry focuses, technological focuses), team (service providers and advisors), deals (company deals and fund commitments), assets (real estate, public market positions, private companies, art and cultural holdings, philanthropy and foundations), and network (club memberships, associations, and event participation). Detailed values are available to Altss subscribers.

What is Maddie’s Fund's website?

Maddie’s Fund's public website is www.maddiesfund.org. Verified contact details for principals and decision-makers are available to Altss subscribers.

What type of firm is Maddie’s Fund?

Maddie’s Fund is classified by Altss as a Endowment / Foundation within the North America region.

How does Altss source intelligence on Maddie’s Fund?

Altss combines OSINT (open-source intelligence) with regulatory filings, public disclosures, and licensed data partners. Source provenance is tracked to support compliance-ready research workflows.

How fresh is the Altss profile for Maddie’s Fund?

Maddie’s Fund's profile is part of Altss's continuous-refresh dataset, with a full update cycle at least every 30 days and priority changes applied as new information is verified.

Profile maintained by using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Continuous refresh with full update cycles at least every 30 days.

Need institutional-grade insight on family offices?

Altss delivers:

Principals with verified direct contactsAllocation history by asset classLive OSINT deal alerts
Start your free trial

Prefer a guided tour?

We’ll walk you through:

Interactive funding timelinesCustom mandate & allocation filters
Book a demo