Teachers Development Group
Teachers Development Group is dedicated to improving all students' mathematical understanding and achievement through meaningful, effective professional development for teachers and school leaders.
Teachers Development Group at a glance
In short: Teachers Development Group gave $299K across 5 grants in 2025 (avg $60K), mostly in Oregon. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $298,664
- -33.3% vs 2024
- Grants made (2025)
- 5
- +0.0% vs 2024
- Average grant
- $59,733
- -33.3% vs 2024
- Median grant
- $20,690
- Total assets
- $1,452,386
- -25.6% vs 2024
- Primary geography
- Oregon (67% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Teachers Development Group funds
How this funder distributes its grants
Top Recipients
Top 5 recipients in 2025
The largest 2025 recipient was Portland State University ($194K). Together the top 5 received $299K.
Grant Size Distribution
15 grants across all recorded years
The most common grant size was under $50K: 9 grants of 15 (60%).
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2023 to 2025, annual grant giving ranged from $299K (2025) to $448K (2024). In 2025 it made 5 grants totaling $299K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Portland State University Portland, OR | Subrecipient Co-Learning | $194,343 |
| University of Washington Chicago, IL | Subrecipient Co-Learning | $61,213 |
| Montana State University Bozeman, MT | Subrecipient Co-Learning | $20,690 |
| University of Maryland College Park, MD | Subrecipient Co-Learning | $15,504 |
| Oregon State University Corvallis, OR | Subrecipient Co-Learning | $6,914 |
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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 | $1,452,386 | $2,116,447 | $2,549,075 | $298,664 | 5 | $21,199 |
| 2024 | $1,952,921 | $2,888,434 | $3,005,480 | $448,008 | 5 | $6,493 |
| 2023 | $2,057,350 | $3,564,516 | $2,909,341 | $387,277 | 5 | $20,150 |
| 2022 | $1,315,965 | $1,914,246 | $2,005,617 | — | — | $417 |
| 2021 | $1,251,272 | $1,481,022 | $1,198,489 | — | — | $19,127 |
| 2020 | $1,427,709 | $2,087,971 | $2,135,018 | — | — | $1,896 |
| 2019 | $1,384,941 | $2,293,356 | $2,727,080 | — | — | $6,946 |
About Teachers Development Group
Based on IRS filings
Teachers Development Group is a public charity focused on Education, based in Portland, OR. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $1.5M in total assets. In 2025, it awarded 5 grants totaling $299K. Net investment income was $21K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Teachers Development Group is led by Ruth Heaton, Member & CEO on every filing since 2019; 4 of 8 officers listed in 2025 are compensated.
Officers on the 2025 filing
Ruth Heaton
Member & CEO
On filings since 2019
40 hrs/week
$175K (2019) → $195K (2025)
Jill Board
Past Chair & Executive Director of Programs
Chair & Executive Director of Programs → Past Chair & Executive Director of Programs, 2025
On filings since 2019
40 hrs/week
$169K (2019) → $163K (2025)
Robert Berry
Chair
Member → Recording Secretary, 2020
Recording Secretary → Chair, 2025
On filings since 2019
1 hr/week
No compensation reported
Cathy Martin
Past Vice Chair
Vice Chair → Past Vice Chair, 2025
On filings since 2019
1 hr/week
$10K (2022) → $9K (2025)
Kathy Pfaendler
Member & Prof. Development Special
On filings since 2019
40 hrs/week
$162K (2019) → $57K (2025)
Marielle Myers
Member
On filings since 2022
1 hr/week
No compensation reported
Richard Velasco
Vice Chair & Treasurer
Member → Vice Chair & Treasurer, 2025
On filings since 2023
1 hr/week
No compensation reported
Deborah Lowenberg Ball
Secretary
Member → Secretary, 2025
On filings since 2024
1 hr/week
No compensation reported
Former officers (9)
- Former: Deborah Loewenberg (2023) — Member
- Former: Harold Asturias (2019–2022) — Member
- Former: Linda Foreman (2019–2022) — Former Member & CEO
- Former: Marjorie Kostelnik (2020–2022) — Member
- Former: Mark Driscoll (2019–2021) — Member
- Former: Amanda Jansen (2019–2020) — Secretary
- Former: Cheryl Rectanus (2019–2020) — Professional Development Math Specialist
- Former: Kevin Foreman (2019–2020) — Director of Technology
- Former: Melissa Plummer (2019–2020) — Professional Development Math Specialist
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 $195K, to Ruth Heaton (Member and CEO). 4 officers or directors reported compensation on that filing.
Frequently asked questions about Teachers Development Group
How much does Teachers Development Group give each year?
Teachers Development Group gave $299K across 5 grants in 2025, according to its 2025 IRS Form 990. In 2024 it gave $448K across 5 grants.
What is Teachers Development Group's typical grant size?
Teachers Development Group's median grant in 2025 was $20,690, and its average grant was $59,733, across 5 grants on its 2025 IRS Form 990.
Where does Teachers Development Group give grants?
Teachers Development Group gives mostly in Oregon: 67% of the grant dollars itemized on its 2025 IRS Form 990 went to recipients there. The next largest states were Illinois (20%) and Montana (7%).
Does Teachers Development Group give general operating support?
Not in 2025: none of the 5 grants with a stated purpose on Teachers Development Group's 2025 IRS Form 990 were described as general or operating support. Recurring purposes include "Subrecipient Co-Learning" (5 grants).
Who are Teachers Development Group's largest grantees?
Teachers Development Group's largest 2025 grantees include Portland State University ($194,343), University of Washington ($61,213) and Montana State University ($20,690), according to its 2025 IRS Form 990. Together they received 92% of its itemized 2025 grant dollars.
How large is Teachers Development Group?
Teachers Development Group reported $1.5M in total assets on its 2025 IRS Form 990. Its revenue that year was $2.1M.
What is Teachers Development Group?
Teachers Development Group is a public charity focused on Education, based in Portland, OR. It holds $1.5M in total assets as of 2025.
What is Teachers Development Group's EIN?
Teachers Development Group's EIN (Employer Identification Number) is 93-1251787. 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
(5)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2023 (received by the IRS March 15, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS February 25, 2025)
- Added Form 990 for fiscal year 2025 (received by the IRS June 25, 2026)
- Added Form 990 for fiscal year 2019 (received by the IRS July 31, 2020)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work Teachers Development Group funds
Education Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Teachers Development Group's focus areas in our free grants database
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