The Robert W Duggan Foundation concentrates its giving into a very small number of large, targeted awards, prioritizing institutional support for education and peace/cultural initiatives. Recent grants include a major international gift to establish a Peace Museum in Costa Rica and substantial support for scholarship and fundraising initiatives at California educational institutions. The foundation appears to favor large, one-off or event-driven gifts that underwrite capital projects, scholarship funds, and signature fundraising events.
The Robert W Duggan Foundation’s largest recent gift was a $5,000,045 economic donation to help develop the "Peace Museum" in San Jose, Costa Rica, through the Arias Foundation for Peace and Human Progress. That single award shows a pattern of very large, highly specific grants rather than broad, dispersed philanthropy. The foundation’s recent giving also includes substantial institutional support for California education, including a $500,000 contribution to the University of California Santa Barbara’s Dilling Yang staff scholarship program and a $400,000 gift tied to Junipero Serra High School’s 2022 Fund a Dream event. Beyond education and peace-related work, the foundation has backed biomedical and cultural initiatives, such as a microbiome fund at Stanford University and support for a chronic lymphocytic leukemia advocacy group. The recent record suggests project-defined funding that often supports named programs, events, or capital-style initiatives. Grants are concentrated in a small number of recipients, with amounts typically in the six-figure range when not making a single transformative award.
Education is a recurring theme in the foundation’s recent grants. It gave $500,000 to the University of California Santa Barbara for the Dilling Yang staff scholarship program, and $50,040 to Manhattan College for educational scholarships. School-based support also appears in a $90,000 educational contribution to The Riviera Ridge School, described as support for a co-ed independent day school for junior kindergarten through 8th grade. The foundation also directed $400,000 to Junipero Serra High School for the 2022 Fund a Dream event, showing a preference for event-linked fundraising in addition to scholarship support. Outside education, it funded a $100,000 microbiome grant to The Board of Trustees of the Leland Stanford Junior University and a $100,000 award to Cll Society to raise awareness and provide support services for people living with chronic lymphocytic leukemia.
Typical grant size is large: the 25th percentile is $97,500, the median is $150,000, and the 75th percentile is $425,000. The recent list is dominated by one-off, named-purpose awards rather than a broad portfolio of small grants. Two recipients appear in the data only once, and the pattern is centered on specific programs, events, and institutional projects. The foundation funds individuals, but the recent grants shown here are institutional. No application process is described in the provided data.
$0
$91.1M
$14.3M
$89K
Most grants fall between $98K and $425K, with a median of $150K.
25th Percentile
$98K
Median
$150K
75th Percentile
$425K
About 0% of grants go to recipients in CA.
Top 2 recipient countries by grant volume for Robert W Duggan Foundation.
| Rank | Country | Grants | Total | Share |
|---|---|---|---|---|
| 1 | United StatesDomestic | 7 | $1.4M | 87.5% |
| 2 | Costa Rica |
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Highly concentrated giving: very few, large grants (one exceptionally large international gift and two six-figure education-related awards); appears to make one-off or event-driven commitments rather than many small or recurring payments, with limited geographic restriction but a notable California and Costa Rica focus.
Notable grantees: ARIAS FOUNDATION FOR PEACE AND HUMAN PROGRESS, UNIVERSITY OF CALIFORNIA SANTA BARBARA, JUNIPERO SERRA HIGH SCHOOL
The foundation gives most often in California, which accounts for the top state by grant count, while 0% of grants in the recent sample go to Florida recipients despite the Miami headquarters. Recent California grants reached San Jose, Santa Barbara, San Mateo, Los Angeles, Stanford, and Chula Vista. Outside the United States, the recipient country distribution includes one grant to Costa Rica, tied to San Jose there. The recent record therefore shows a California-heavy regional footprint with a small international component.
Recent grants support a Peace Museum in San Jose, Costa Rica; scholarship programs at the University of California Santa Barbara and Manhattan College; a microbiome fund at Stanford University; and support services for people living with chronic lymphocytic leukemia through Cll Society. The pattern is project-specific and program-tied rather than general operating support.
The grant-size distribution is high: p25 is $97,500, the median is $150,000, and p75 is $425,000. The recent list also includes a much larger outlier of $5,000,045 for the Peace Museum project in Costa Rica.
California is the top state by grant count. The recent grants list includes recipients in San Jose, Santa Barbara, San Mateo, Los Angeles, Stanford, and Chula Vista, showing a strong concentration there.
Yes. Recent examples include $500,000 to the University of California Santa Barbara for the Dilling Yang staff scholarship program and $50,040 to Manhattan College for educational scholarships. It also gave $90,000 to The Riviera Ridge School for educational purposes.
Yes. One recent grant went to Costa Rica: $5,000,045 to the Arias Foundation for Peace and Human Progress in San Jose for development of the Peace Museum.
2025
Source: IRS Form 990-PF, fiscal year 2025.
| 1 |
| $5M |
12.5% |
Recipient country reflects the grantee's headquarters per IRS 990-PF and Schedule F filings, not the program's implementation country.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| ARIAS FOUNDATION FOR PEACE AND HUMAN PROGRESS | SAN JOSE | $5,000,045 | 2025 | AN ECONOMIC DONATION TO ASSIST IN THE DEVELOPMENT OF THE "PEACE MUSEUM" IN SAN JOSE, COSTA RICA. |
| CLL SOCIETY | CHULA VISTA, CA | $100,000 | 2025 | TO RAISE AWARENESS AND PROVIDE SUPPORT SERVICES TO THOSE LIVING WITH CHRONIC LYMPHOCYTIC LEUKEMIA. |
| UNIVERSITY OF CALIFORNIA SANTA BARBARA | SANTA BARBARA, CA | $500,000 | 2024 | CONTRIBUTION TO DILLING YANG STAFF SCHOLARSHIP PROGRAM |
| JUNIPERO SERRA HIGH SCHOOL | SAN MATEO, CA | $400,000 | 2024 | 2022 FUND A DREAM EVENT. |
| CHURCH OF SCIENTOLOGY INTERNATIONAL | LOS ANGELES, CA | $200,000 | 2024 | RELIGIOUS CONTRIBUTION TOWARDS TORINO IDEAL ORG. |
| THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY | STANFORD, CA | $100,000 | 2024 | CONTRIBUTION TO THE ROBERT DUGGAN MICROBIOME FUND. |
| THE RIVIERA RIDGE SCHOOL | SANTA BARBARA, CA | $90,000 | 2024 | EDUCATIONAL CONTRIBUTION FOR CO-ED INDEPENDENT DAY SCHOOL FOR JUNIOR KINDERGARTEN THROUGH 8TH GRADE. |
| MANHATTAN COLLEGE | BRONX, NY | $50,040 | 2024 | EDUCATIONAL SCHOLARSHIPS. |
ARIAS FOUNDATION FOR PEACE AND HUMAN PROGRESS
$5,000,045AN ECONOMIC DONATION TO ASSIST IN THE DEVELOPMENT OF THE "PEACE MUSEUM" IN SAN JOSE, COSTA RICA.
CLL SOCIETY
$100,000TO RAISE AWARENESS AND PROVIDE SUPPORT SERVICES TO THOSE LIVING WITH CHRONIC LYMPHOCYTIC LEUKEMIA.
UNIVERSITY OF CALIFORNIA SANTA BARBARA
$500,000CONTRIBUTION TO DILLING YANG STAFF SCHOLARSHIP PROGRAM
JUNIPERO SERRA HIGH SCHOOL
$400,0002022 FUND A DREAM EVENT.
CHURCH OF SCIENTOLOGY INTERNATIONAL
$200,000RELIGIOUS CONTRIBUTION TOWARDS TORINO IDEAL ORG.
CONTRIBUTION TO THE ROBERT DUGGAN MICROBIOME FUND.
EDUCATIONAL CONTRIBUTION FOR CO-ED INDEPENDENT DAY SCHOOL FOR JUNIOR KINDERGARTEN THROUGH 8TH GRADE.