THE ARBORETUM FOUNDATION PROMOTES, PROTECTS, AND ENHANCES THE WASHINGTON PARK ARBORETUM FOR CURRENT AND FUTURE GENERATIONS BY STRENGTHENING AND BUILDING A DIVERSE AND ENGAGED COMMUNITY OF DONORS, VOLUNTEERS, AND ADVOCATES.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$11.7M
+12.1% YoY
Annual Giving
$1.6M
+5.8% YoY
Grant Count
1
-50.0% YoY
Avg Grant Size
$1.6M
+111.5% YoY
About Arboretum Foundation
Based on IRS filings
Arboretum Foundation is a nonprofit organization focused on Environment & Animals, based in SEATTLE, WA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $11.7M in total assets. In 2024, it awarded 1 grants totaling $1.6M. Net investment income was $216K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $11,699,187 | $10,433,351 | $8,009,608 |
| Revenue | $4,043,563 | $4,785,446 | $4,956,558 |
| Expenses | $3,363,272 | $2,906,886 | $2,837,334 |
| Qualifying Distributions | — | — | — |
| Net Investment Income | $215,671 | $178,774 | $128,274 |
| Distributable Amount | — | — | — |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 1 recipients in 2024
Grant Size Distribution
10 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include University of Washington ($1,564,928).
| Recipient | Purpose | Amount |
|---|---|---|
| UNIVERSITY OF WASHINGTON SEATTLE, WA | CAPITAL PROJECTS, MAINTENANCE, EDUCATION, AND OTHER | $1,564,928 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| JANE STONECIPHER | EXECUTIVE DIRECTOR | 40 | $156,310 |
| CLARE HAUSMANN | ADVANCEMENT DIRECTOR | 40 | $123,000 |
| BRITTANY BOLSTAD | FINANCE DIRECTOR (RESIGNED) | 8 | $12,768 |
| PETER REES | PRESIDENT | 6 | — |
| MARIBETH O'CONNOR | VICE PRESIDENT | 4 | — |
| STEVE ALLEY | VICE PRESIDENT | 2 | — |
| SCOTT LINDSAY | VICE PRESIDENT | 2 | — |
| JENNIFER WYATT | VICE PRESIDENT (RESIGNED) | 4 | — |
| JEFF LEHMAN | TREASURER | 4 | — |
| JOSH DICKSON | SECRETARY | 2 | — |
| CONNOR BARCLAY | BOARD MEMBER | 2 | — |
| SANJAY KUMAR | BOARD MEMBER | 2 | — |
| MISSY WARD | BOARD MEMBER | 2 | — |
| MIKE RILEY | BOARD MEMBER | 2 | — |
| LARRY HUBBELL | BOARD MEMBER | 2 | — |
| KARA WEAVER | BOARD MEMBER | 2 | — |
| JOHN REED | BOARD MEMBER | 2 | — |
| YUKA SHIMIZU | BOARD MEMBER | 2 | — |
| SHAUN CORRY | BOARD MEMBER | 2 | — |
| BEVERLY SONG | BOARD MEMBER | 2 | — |
| ALISSA RUPP | BOARD MEMBER | 2 | — |
| BILL MCGEE | BOARD MEMBER | 2 | — |
| JOANNA THIAGARAJAN | BOARD MEMBER | 2 | — |
| TYLER MORIGUCHI | BOARD MEMBER (RESIGNED) | 2 | — |
| NORIKO PALMER | BOARD MEMBER (RESIGNED) | 2 | — |
| LISA YOUNGBLOOD HALL | BOARD MEMBER (RESIGNED) | 2 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Arboretum Foundation?
Arboretum Foundation is a nonprofit organization focused on Environment & Animals, based in SEATTLE, WA. It holds $11.7M in total assets as of 2024.
How large is Arboretum Foundation?
As of 2024, Arboretum Foundation holds $11.7M in total assets with $4.0M in annual revenue. It awarded 1 grants totaling $1.6M in 2024.
Where does Arboretum Foundation operate?
Arboretum Foundation has awarded grants in New Hampshire, Washington.
What size grants does Arboretum Foundation award?
In 2024, Arboretum Foundation awarded 1 grants totaling $1.6M — an average of about $1.6M per grant, based on its IRS Form 990 filings.
What is Arboretum Foundation's EIN?
Arboretum Foundation's EIN (Employer Identification Number) is 91-0613583. IRS Form 990 filing data is available on this page for 2020–2024.
Explore Open Grants
Browse active grant opportunities in Arboretum Foundation's focus areas in our free grants database
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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