Janet H & C Harry Knowles Foundation Inc
The Janet H & C Harry Knowles Foundation Inc. is a private foundation based in Moorestown, New Jersey. It does business as the Knowles Teacher Initiative, which supports a national community of mathematics and science teachers through fellowships, professional learning, mentoring, and financial support.
Janet H & C Harry Knowles Foundation Inc at a glance
In short: Janet H & C Harry Knowles Foundation Inc gave $1.2M across 220 grants in 2025 (avg $5K), top state California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $1,197,961
- -5.2% vs 2024
- Grants made (2025)
- 220
- -2.7% vs 2024
- Average grant
- $5,445
- -2.6% vs 2024
- Median grant
- $5,540
- Total assets
- $86,451,802
- +5.9% vs 2024
- Primary geography
- California (34% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
How to apply to Janet H & C Harry Knowles Foundation Inc
- Contact
Application contact: Jennifer Mossgrove
Mailing address: 1000 North Church Street, Moorestown, NJ 08057
Phone: (856) 608-0001
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Open Grants
1 open opportunity from Janet H & C Harry Knowles Foundation Inc
Who Janet H & C Harry Knowles Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Christian Royer ($9K).
Organizations only. It also paid 219 grants to individuals ($1,189,259), which are not listed by name.
Grant Size Distribution
1,092 grants across all recorded years
The most common grant size was under $50K: 1,092 grants of 1,092 (100%).
Geographic Focus
Where this funder awards grants
The foundation’s 2025 grant dollars went to recipients in multiple states. The largest reported shares were California (34%), Illinois (8%), Michigan (8%), New York (6%), and Pennsylvania (4%). Its Teaching Fellowship is for teachers in the United States.
Grant Distribution by State
Share of 2025 grant dollars across all 220 itemized grants.
States
Cities
How Janet H & C Harry Knowles Foundation Inc gives
- Giving held roughly steady from 2022 to 2025 (−10%). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $1.1M (2021) to $1.3M (2019). In 2025 it made 220 grants totaling $1.2M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| 49 grants to individuals Recipients not named | — | $449,989 |
| Christian Royer San Jose, CA | Grant Support | $8,702 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income |
|---|---|---|---|---|---|---|---|
| 2025 | $86,451,802 | $8,070,831 | $6,688,140 | $1,197,961 | 220 | $5,439,952 | $7,173,486 |
| 2024 | $81,632,561 | $5,309,784 | $7,156,689 | $1,263,660 | 226 | $6,072,207 | $4,346,902 |
| 2023 | $83,476,702 | $2,401,132 | $7,611,742 | $1,073,228 | 200 | $6,418,696 | $1,441,616 |
| 2022 | $83,707,741 | $6,312,977 | $7,467,269 | $1,325,724 | 246 | $5,956,987 | $3,420,143 |
| 2021 | $110,054,280 | $41,056,382 | $5,602,352 | $1,052,095 | 200 | — | $5,759,622 |
| 2020 | $61,314,604 | $3,440,878 | $6,379,552 | $1,188,434 | 209 | — | $790,021 |
| 2019 | $63,918,300 | $4,274,744 | $6,456,301 | $1,335,811 | 201 | — | $1,781,901 |
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
The founders established the organization on the conviction that the country’s well-being and economic future depend on bringing new scientists and mathematicians into the workforce. The foundation’s website describes its work as supporting a national network of mathematics and science teachers and improving education for students in the United States.
Its central program is a four-year Teaching Fellowship for early-career high school mathematics and science teachers. The program combines professional development, mentoring, cohort learning, and financial support, and aims to help fellows develop teaching expertise and leadership.
Grantmaking
In filing year 2025, the foundation reported 220 grants totaling $1,197,961. Grants ranged from $22 to $13,636, with a median of $5,540. The largest listed awards were to individual recipients: $13,636 in Pennsylvania, $13,344 in California, and $12,478 in Texas. The filing lists their purposes as “GRANT SUPPORT.”
The Knowles Teaching Fellowship is a four-year program for early-career high school mathematics and science teachers in the United States. The 2027 cohort application is open, with an application close date of January 19, 2027. Applicants must be entering their first, second, or third year of high school teaching in September 2027, be committed to teaching grades 9–12 in the United States, and have earned or be on track to earn a degree in mathematics, biology, chemistry, or physics within the specified period. The application process includes a video interview, group interview, and individual interview. The foundation’s filing says applications are submitted online and that application materials, deadlines, and fellowship restrictions are provided on its website.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Jeffrey Rozelle as president; Stephanie Anne Holm as treasurer; Amy Gheysens as assistant treasurer; Lawrence Tint as chair; Steve Emerson as vice chair; and Janet Knowles as secretary. Trustees listed are Dr. Lucy Rorke-Adams, George Wohlreich, Bei Saville, and Melissa Braaten.
Janet H & C Harry Knowles Foundation Inc is led by Jeffrey Rozelle, President since 2024 (on filings since 2019); 3 of 13 officers listed in 2025 are compensated.
Officers on the 2025 filing
Jeffrey Rozelle
President
Vice President → CEO & President, 2022
CEO & President → President, 2024
On filings since 2019
40 hrs/week
$186K (2019) → $218K (2025)
Lawrence Tint
Chair
Chairman → Chair, 2024
On filings since 2019
5 hrs/week
No compensation reported
Bei Saville
Trustee
On filings since 2019
5 hrs/week
No compensation reported
George Wohlreich
Trustee
On filings since 2019
5 hrs/week
No compensation reported
Lucy Balian Rorke-Adams
Trustee
On filings since 2019
5 hrs/week
No compensation reported
Melissa Braaten
Trustee
On filings since 2022
5 hrs/week
No compensation reported
Briana Clarke
Trustee
New on the 2025 filing
5 hrs/week
No compensation reported
Doug Larkin
Trustee
New on the 2025 filing
5 hrs/week
No compensation reported
Joel Amidon
Trustee
New on the 2025 filing
5 hrs/week
No compensation reported
Amy Gheysens
Assistant Treasurer
Assistant Treasurer → Controller & Assistant Treasurer, 2022
Controller & Assistant Treasurer → Assistant Treasurer, 2024
On filings since 2019
20 hrs/week
$77K (2019) → $78K (2025)
Stephanie Anne Holm
Treasurer
Treasurer → COO & Treasurer, 2022
COO & Treasurer → Treasurer, 2024
On filings since 2019
40 hrs/week
$189K (2019) → $218K (2025)
Janet H. Knowles
Secretary
Secretary → Founder & Secretary, 2022
Founder & Secretary → Secretary, 2024
On filings since 2019
5 hrs/week
No compensation reported
Steve Emerson
Vice Chair
Trustee → Vice Chair, 2025
On filings since 2022
5 hrs/week
No compensation reported
Former officers (8)
- Former: Edward D. Viner (2019–2024) — Trustee
- Former: Paul Kuerbis (2019–2024) — Vice Chair
- Former: Dwaina Sookhoo (2022–2024) — Senior Fellow Trustee
- Former: Nicole Gillespie (2019–2022) — CEO
- Former: Heather Buskirk (2019–2021) — Trustee
- Former: Michael Wittmann (2019–2021) — Trustee
- Former: Robert Morris (2019–2021) — Trustee
- Former: C. Harry Knowles Dec'd (2019–2020) — Chairman Emeritus
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 $218K, to Jeffrey Rozelle (President). 3 officers or directors reported compensation on that filing.
Frequently asked questions about Janet H & C Harry Knowles Foundation Inc
How much does Janet H & C Harry Knowles Foundation Inc give each year?
Janet H & C Harry Knowles Foundation Inc gave $1.2M across 220 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $1.3M across 226 grants.
What is Janet H & C Harry Knowles Foundation Inc's typical grant size?
Janet H & C Harry Knowles Foundation Inc's median grant in 2025 was $5,540, and its average grant was $5,445, across 220 grants on its 2025 IRS Form 990-PF.
Where does Janet H & C Harry Knowles Foundation Inc give grants?
Janet H & C Harry Knowles Foundation Inc's top state is California, with 34% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Illinois (8%) and Michigan (8%).
Does Janet H & C Harry Knowles Foundation Inc give general operating support?
Not in 2025: none of the 220 grants with a stated purpose on Janet H & C Harry Knowles Foundation Inc's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Grant Support" (220 grants).
How large is Janet H & C Harry Knowles Foundation Inc?
Janet H & C Harry Knowles Foundation Inc reported $86.5M in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $8.1M.
What does Janet H & C Harry Knowles Foundation Inc fund?
The founders established the organization on the conviction that the country’s well-being and economic future depend on bringing new scientists and mathematicians into the workforce. See mission & focus areas ↑
How do I apply for a grant from Janet H & C Harry Knowles Foundation Inc?
Janet H & C Harry Knowles Foundation Inc has no public application process in the sources Grantable reviewed. Contact the foundation directly before submitting a request.
What is Janet H & C Harry Knowles Foundation Inc's EIN?
Janet H & C Harry Knowles Foundation Inc's EIN (Employer Identification Number) is 01-0485964. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated October 2026.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS May 19, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS April 13, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS April 15, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS April 17, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS April 12, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS April 11, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS April 14, 2026)
- IRS filings on file for fiscal years 2019–2025
Live grants for the work Janet H & C Harry Knowles Foundation Inc funds
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