Si Robin Foundation

Foundation · Grantmaker Woodland Hills, CA EIN: 81-2673844 Website

Si Robin Foundation is a private foundation based in Woodland Hills, California, established in 2016. The foundation carries on the legacy of Si Robin by supporting aviation education and related causes. The foundation operates with no employees and focuses its grantmaking on museums and aviation-related organizations.

Key facts about Si Robin Foundation

EIN: 81-2673844
Latest 990 filing: Form 990-PF, 2024
Annual giving (2024): $3,333,171
Grants made (2024): 27
Average grant: $123,451
Median grant: $51,800
Total assets: $2,335,694
Primary geography: North Dakota (30% of itemized 2024 grant dollars)

Data from IRS Form 990-PF, 2024; updated September 2026.

Who Si Robin Foundation funds

By grant dollars, the top recipient states for Si Robin Foundation's 27 itemized 2024 grants were North Dakota (30%), California (27%) and Hawaii (22%). The most frequent recipient cities were Los Angeles, CA (3 grants), Grand Forks, ND (2 grants), Honolulu, HI (2 grants) and Santa Monica, CA (2 grants). 44% of grants with a stated purpose were for general or operating support. Recurring purposes include "Museum" (10 grants) and "Education" (3 grants).

How Si Robin Foundation gives

76% of 2024 grantees were also funded in 2023. Method
Giving grew 2464% from 2021 to 2024. Method
In 2024 it paid out well above its IRS minimum distribution (the 5% rule). Method

Estimate from itemized IRS Form 990-PF grant lists (2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

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Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$2.3M

-56.2% YoY

Annual Giving

$3.3M

+85.6% YoY

Grant Count

+17.4% YoY

Avg Grant Size

$123K

+58.1% YoY

Under IRS private-foundation payout rules, Si Robin Foundation reported a distributable amount of $310K for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation's mission centers on "carrying on Si's legacy by continuing to help mold the future of aviation."

Primary funding areas include:

Aviation Museums: Support for aviation museums and educational facilities
Aviation Education: University aviation programs and infrastructure
Medical Transportation: Support for medical transportation services

Grantmaking

The foundation made four grants in 2024 totaling approximately $1.9 million:

How to Apply

; grants awarded through trustee discretion

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Geographic Focus

Where this funder awards grants

The foundation primarily supports organizations in California and nationally, with notable grants to institutions in Hawaii (Pearl Harbor Aviation Museum) and North Dakota (University of North Dakota Aerospace Foundation).

Grant Distribution by State

North Dakota $999K (30%)

California $910K (27%)

Hawaii $738K (22%)

Texas $161K (5%)

Colorado $150K (5%)

All other $375K (11%)

Share of all 27 itemized 2024 grant dollars.

States

California Colorado District of Columbia Florida Hawaii North Dakota Nevada Tennessee Texas Washington Wisconsin

Cities

HonoluluLos AngelesSanta MonicaGrand ForksSan DiegoSeattleCamarilloEl SegundoMcclellanMemphisVan NuysWashingtonChinoChino HillsDallasDenverOshkoshPalm SpringsRenoDaytona Beach

Financial History

Multi-year comparison from IRS filings

As of December 2024:

Total Assets: $2,335,694
Total Revenues: $345,581
Total Expenses: $3,345,657
Investment Income: Primary revenue source

The foundation's expenses exceed revenues, indicating it is distributing accumulated assets through its grantmaking activities.

Revenue

Expenses

Qualifying Distributions

Net Investment Income

Metric	2024	2023	2022
Total Assets	$2,335,694	$5,335,763	$6,932,571
Revenue	$345,581	$200,970	$1,939,095
Expenses	$3,345,657	$1,797,778	$1,095,848
Qualifying Distributions	$3,333,171	$1,795,508	$1,095,000
Net Investment Income	$340,006	$200,970	$156,075
Distributable Amount	$309,985	$323,838	$263,567

Data update history

When this profile's IRS filing data changed on Grantable

March 3, 2026 IRS filings on file for fiscal years 2020–2024

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

65 grants across all recorded years

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest recipients include Und Aerospace Foundation ($999,455 across 2 grants), Pearl Harbor Aviation Museum ($738,082 across 2 grants), Planes of Fame Air Museum ($355,133).

Recipient	Purpose	Amount
UND AEROSPACE FOUNDATION Grand Forks, ND	GENERAL OPERATING SUPPORT	$857,455
PEARL HARBOR AVIATION MUSEUM Honolulu, HI	MUSEUM	$704,682
PLANES OF FAME AIR MUSEUM Chino, CA	MUSEUM	$355,133
THE COMMEMORATIVE AIR FORCE Dallas, TX	MUSEUM	$161,000
San Diego Air and Space Museum San Diego, CA	MUSEUM	$150,000
UND AEROSPACE FOUNDATION Grand Forks, ND	GENERAL OPERATING SUPPORT	$142,000
Museum of Flight Foundation Seattle, WA	MUSEUM	$100,000
COLORADO SKIES ACADEMY Englewood, CO	EDUCATION	$100,000
Embry-Riddle Aeronautical Universit Daytona Beach, FL	EDUCATION	$75,000
RENO AIR RACING ASSOCIATION INC Reno, NV	GENERAL OPERATING SUPPORT	$60,000

Leadership & Key People

Leadership team and compensation from IRS filings

James Vreeke — Chief Executive Officer (as of December 2023)

Compensation Overview

No officer or director reported compensation in the available filings.

From 2024 IRS filing

Name	Title	Hours	Compensation
Seymour Robin	President	2	—
Lori Vreeke	Secretary	10	—
Jeffrey Robin	Vice President	2	—
James Vreeke	CEO	1	—

Subject Areas

Focus areas based on grantmaking activity

Philanthropy, Voluntarism & Grantmaking

Frequently Asked Questions

What does Si Robin Foundation fund?

The foundation's mission centers on "carrying on Si's legacy by continuing to help mold the future of aviation." Primary funding areas include: • **Aviation Museums**: Support for aviation museums and educational facilities • **Aviation Education**: University aviation programs and infrastructure • **Medical Transportation**: Support for medical transportation services

How do I apply for a grant from Si Robin Foundation?

The foundation made four grants in 2024 totaling approximately $1.9 million: | Grantee | Amount | Type | |---------|--------|------| | University of North Dakota Aerospace Foundation (UNDAF) | $857,455 | General Operating Support | | Pearl Harbor Aviation Museum | $704,682 | Museum | | Planes of Fame Air Museum | $355,133 | Museum | | Additional grants | $3,141,777 | (19 additional grants) | The foundation distributed a total of $3,141,777 across 23 grants in 2024. • Grants range from hundreds …

Where does Si Robin Foundation make grants?

What size grants does Si Robin Foundation award?

In 2024, Si Robin Foundation awarded 27 grants totaling $3.3M — an average of about $123K per grant, based on its IRS Form 990 filings.

How much is Si Robin Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Si Robin Foundation reported a distributable amount of $310K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.