Promys Inc
The Promys mission is to support deep exploratory mathematical learning for curious and motivated high school students and secondary teachers. It is a core Promys principle that financial need should not be a barrier to anyone seeking mathematical challenge. Promys programs either offer need-based financial aid up to the full cost of participation or are free for all participants.
Promys Inc at a glance
In short: Promys Inc gave $226K across 3 grants in 2025 (avg $75K), mostly in Massachusetts. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $225,798
- Grants made (2025)
- 3
- Average grant
- $75,266
- Median grant
- $50,000
- Total assets
- $1,206,346
- +382.3% vs 2024
- Primary geography
- Massachusetts (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Promys Inc funds
How this funder distributes its grants
Grant Size Distribution
3 grants across all recorded years
The most common grant size was under $50K: 1 grant of 3 (33%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 3 itemized grants.
States
Cities
Giving History
Giving Over Time
Total grant dollars and number of grants per year
In 2025 it made 3 grants totaling $226K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| 3 grants to individuals Recipients not named | — | $225,798 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants |
|---|---|---|---|---|---|
| 2025 | $1,206,346 | $1,256,881 | $413,605 | $225,798 | 3 |
| 2024 | $250,100 | $276,141 | $26,041 | — | — |
About Promys Inc
Based on IRS filings
Promys Inc is a public charity, based in Boston, MA. IRS filing data is available from 2024 through 2025. As of 2025, the organization holds $1.2M in total assets. In 2025, it awarded 3 grants totaling $226K.
Leadership & Key People
Officers and directors from IRS filings
Promys Inc is led by Keith Hilles-Pilant, President & Director since 2025 (on filings since 2024); none of the 5 officers listed in 2025 report compensation.
Officers on the 2025 filing
Keith Hilles-Pilant
President & Director
Chair of the Board → President & Director, 2025
On filings since 2024
10 hrs/week
No compensation reported
Glenn Stevens
Treasurer, Clerk & Director
President & Treasurer → Treasurer, Clerk & Director, 2025
On filings since 2024
10 hrs/week
No compensation reported
Thomas Hassan
Director
On filings since 2024
1 hr/week
No compensation reported
Wan-Yin Wu
Director
On filings since 2024
10 hrs/week
No compensation reported
Lanlan Zhang
Director
New on the 2025 filing
1 hr/week
No compensation reported
Former officers (1)
- Former: Demerise R. Dubois (2024) — Clerk
Data from IRS Form 990 filings, 2024–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Promys Inc
How much does Promys Inc give each year?
Promys Inc gave $226K across 3 grants in 2025, according to its 2025 IRS Form 990.
What is Promys Inc's typical grant size?
Promys Inc's median grant in 2025 was $50,000, and its average grant was $75,266, across 3 grants on its 2025 IRS Form 990.
Where does Promys Inc give grants?
Promys Inc gives mostly in Massachusetts: 100% of the grant dollars itemized on its 2025 IRS Form 990 went to recipients there.
Does Promys Inc give general operating support?
Not in 2025: none of the 3 grants with a stated purpose on Promys Inc's 2025 IRS Form 990 were described as general or operating support.
How large is Promys Inc?
Promys Inc reported $1.2M in total assets on its 2025 IRS Form 990. Its revenue that year was $1.3M.
What is Promys Inc's EIN?
Promys Inc's EIN (Employer Identification Number) is 99-4569473. IRS Form 990 filing data is available on this page for 2024–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990 for fiscal year 2025 (received by the IRS August 12, 2026)
- Added Form 990 for fiscal year 2024 (received by the IRS November 4, 2025)
Other open foundation grants in Massachusetts
Massachusetts Open opportunities, soonest deadline first.
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Browse active grant opportunities in Promys Inc's focus areas in our free grants database
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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open
Figures come from Promys Inc's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
Promys Inc down — hundreds of funders to go?