American Rhododendron Society Portland Chapter
The promotion of genus rhododendron.
American Rhododendron Society Portland Chapter at a glance
In short: American Rhododendron Society Portland Chapter gave $150K across 1 grant in 2025 (avg $150K), mostly in Oregon. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $150,000
- +115.5% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $150,000
- +115.5% vs 2024
- Median grant
- $150,000
- Total assets
- $6,471,457
- +4.4% vs 2024
- Primary geography
- Oregon (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who American Rhododendron Society Portland Chapter funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Van Veen Heritage Gardens ($150K).
Grant Size Distribution
4 grants across all recorded years
The most common grant size was in the $50–100K range: 2 grants of 4 (50%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
How American Rhododendron Society Portland Chapter gives
- Giving grew 78% from 2022 to 2025. Method
From the foundation's IRS Form 990 filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2022 to 2025, annual grant giving ranged from $70K (2024) to $150K (2025). In 2025 it made 1 grant totaling $150K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Van Veen Heritage Gardens Portland, OR | Support affiliated non-profit organization in their mission to encourage interest in and dissemination of inormation and knowledge about genus rhododendron. | $150,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $6,471,457 | $900,203 | $845,336 | $150,000 | 1 | $156,002 |
| 2024 | $6,199,292 | $863,205 | $703,169 | $69,620 | 1 | $72,885 |
| 2023 | $5,601,937 | $683,233 | $712,006 | $127,500 | 1 | $144,029 |
| 2022 | $5,642,845 | $704,569 | $511,956 | $84,350 | 1 | $163,655 |
| 2021 | $5,854,056 | $634,387 | $288,446 | — | — | $10,887 |
| 2019 | $4,949,141 | $596,015 | $263,969 | — | — | $184,283 |
About American Rhododendron Society Portland Chapter
Based on IRS filings
American Rhododendron Society Portland Chapter is a public charity focused on Environment & Animals, based in Fairview, OR. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $6.5M in total assets. In 2025, it awarded 1 grant totaling $150K. Net investment income was $156K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
American Rhododendron Society Portland Chapter is led by Ray Clack, President since 2025 (on filings since 2019); 1 of 11 officers listed in 2025 is compensated.
Officers on the 2025 filing
Ray Clack
President
Director → Vice President, 2022
Vice President → President, 2025
On filings since 2019
8 hrs/week
No compensation reported
Brandon Baker
Director Crystal Springs
Director → Director Crystal Springs, 2022
On filings since 2021
2 hrs/week
$59K (2022) → $6K (2025)
Ann Clack
Director
On filings since 2019
4 hrs/week
No compensation reported
Joanne Turner
Director
On filings since 2019
4 hrs/week
No compensation reported
Mike Stewart
Director
On filings since 2019
6 hrs/week
No compensation reported
Lisa Volpel
Director
On filings since 2024
2 hrs/week
No compensation reported
Mike Domashovski
Director
On filings since 2024
2 hrs/week
No compensation reported
Brenda Ziegler
Treasurer
Director → Treasurer, 2025
On filings since 2019
8 hrs/week
No compensation reported
Dennis O'Malley
Director - Former President
Past President → Director - Former President, 2021
On filings since 2019
2 hrs/week
No compensation reported
Steve Hopkins
Past President
Vice President → President, 2022
President → Past President, 2025
On filings since 2019
6 hrs/week
No compensation reported
Martha Dibblee
Vice President & Acting Secretary
Director → Vice President & Acting Secretary, 2025
On filings since 2024
10 hrs/week
No compensation reported
Former officers (12)
- Former: Karen Hanson (2024) — Director
- Former: Andrew Stern (2019–2023) — Director
- Former: Caroline Enns (2019–2023) — Director - Former President
- Former: David Anderson (2019–2023) — Director
- Former: John Stephens (2019–2023) — Director
- Former: Maria Stewart (2019–2023) — Director
- Former: Steve McCormick (2019–2023) — Director - Former President
- Former: Steve Hall (2021–2023) — Secretary
- Former: Jim Peters (2022–2023) — Treasurer
- Former: Richard Cavendar (2019–2021) — Treasurer
- Former: Betsy Soifer (2019) — Director
- Former: Dan McLaughlin (2019) — Director
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $6K, to Brandon Baker (Director Crystal Springs).
Frequently asked questions about American Rhododendron Society Portland Chapter
How much does American Rhododendron Society Portland Chapter give each year?
American Rhododendron Society Portland Chapter gave $150K across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $70K across 1 grant.
How large is American Rhododendron Society Portland Chapter?
American Rhododendron Society Portland Chapter reported $6.5M in total assets on its 2025 IRS Form 990. Its revenue that year was $900K.
What is American Rhododendron Society Portland Chapter?
American Rhododendron Society Portland Chapter is a public charity focused on Environment & Animals, based in Fairview, OR. It holds $6.5M in total assets as of 2025.
Where does American Rhododendron Society Portland Chapter operate?
American Rhododendron Society Portland Chapter has awarded grants in Oregon.
What is American Rhododendron Society Portland Chapter's EIN?
American Rhododendron Society Portland Chapter's EIN (Employer Identification Number) is 93-6032883. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2022 (received by the IRS April 17, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS May 15, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS September 22, 2025)
- Added Form 990 for fiscal year 2025 (received by the IRS May 11, 2026)
- Added Form 990 for fiscal year 2019 (received by the IRS May 8, 2020)
- IRS filings on file for fiscal years 2021–2024
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