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
No grants recorded for .
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
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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