Nonprofit · EIN 81-3478010
DASSAULT SYSTEMES FOUNDATION
Tax-exempt · WALTHAM, MA 02451
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $400,000 | $444,109 | -$44,109 | $135,871 | $0 | $135,871 |
| December 31, 2024 | 990-PF | $400,000 | $242,241 | $157,759 | $179,980 | $0 | $179,980 |
| December 31, 2023 | 990-PF | $400,327 | $451,820 | -$51,493 | $22,221 | $0 | $22,221 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $400,000
Expenses
- Grants and similar amounts paid
- $412,276
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $444,109
Balance sheet and other
- Total assets, start of year
- $179,980
- Total assets, end of year
- $135,871
- Total liabilities, end of year
- $0
- Net assets, end of year
- $135,871
- Fair market value of assets
- $135,871
- Qualifying distributions
- $444,109
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990-PF for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DEBORAH DEAN 175 WYMAN STREET, WALTHAM, MA 024511223 | DIRECTOR/PRESIDENT | 0.25 | $0 |
| MARK NEIL 175 WYMAN STREET, WALTHAM, MA 024511223 | DIRECTOR | 0.25 | $0 |
| THIBAULT DE TERSANT 175 WYMAN STREET, WALTHAM, MA 024511223 | DIRECTOR | 0.25 | $0 |
| VICTOIRE DE MARGERIE 175 WYMAN STREET, WALTHAM, MA 024511223 | DIRECTOR | 0.25 | $0 |
| WANDA EPSTEIN 175 WYMAN STREET, WALTHAM, MA 024511223 | DIRECTOR | 0.25 | $0 |
| DONNA DEVITA 175 WYMAN STREET, WALTHAM, MA 024511223 | TREASURER | 0.25 | $0 |
| BERNARD CHARLES 175 WYMAN STREET, WALTHAM, MA 024511223 | HONORARY CHAIRMAN | 0.25 | $0 |
| ERIN CHRZANOWSKI 175 WYMAN STREET, WALTHAM, MA 024511223 | SECRETARY | 0.25 | $0 |
990-PF for the year ended December 31, 2024: 8 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DEBORAH DEAN 175 WYMAN STREET, WALTHAM, MA 024511223 | DIRECTOR/PRESIDENT | 0.25 | $0 |
| MARK NEIL 175 WYMAN STREET, WALTHAM, MA 024511223 | DIRECTOR | 0.25 | $0 |
| THIBAULT DE TERSANT 175 WYMAN STREET, WALTHAM, MA 024511223 | DIRECTOR | 0.25 | $0 |
| VICTOIRE DE MARGERIE 175 WYMAN STREET, WALTHAM, MA 024511223 | DIRECTOR | 0.25 | $0 |
| WANDA EPSTEIN 175 WYMAN STREET, WALTHAM, MA 024511223 | DIRECTOR | 0.25 | $0 |
| DONNA DEVITA 175 WYMAN STREET, WALTHAM, MA 024511223 | TREASURER | 0.25 | $0 |
| BERNARD CHARLES 175 WYMAN STREET, WALTHAM, MA 024511223 | HONORARY CHAIRMAN | 0.25 | $0 |
| ERIN CHRZANOWSKI 175 WYMAN STREET, WALTHAM, MA 024511223 | SECRETARY | 0.25 | $0 |
990-PF for the year ended December 31, 2023: 9 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| THIBAULT DE TERSANT 175 WYMAN STREET, WALTHAM, MA 024511223 | DIRECTOR | 0.25 | $0 |
| DEBORAH DEAN 175 WYMAN STREET, WALTHAM, MA 024511223 | DIRECTOR/PRESIDENT | 0.25 | $0 |
| MARK NEIL 175 WYMAN STREET, WALTHAM, MA 024511223 | DIRECTOR | 0.25 | $0 |
| VICTOIRE DE MARGERIE 175 WYMAN STREET, WALTHAM, MA 024511223 | DIRECTOR | 0.25 | $0 |
| WANDA EPSTEIN 175 WYMAN STREET, WALTHAM, MA 024511223 | DIRECTOR | 0.25 | $0 |
| DONNA DEVITA 175 WYMAN STREET, WALTHAM, MA 024511223 | TREASURER | 0.25 | $0 |
| BERNARD CHARLES 175 WYMAN STREET, WALTHAM, MA 024511223 | HONORARY CHAIRMAN | 0.25 | $0 |
| ERIN CHRZANOWSKI 175 WYMAN STREET, WALTHAM, MA 024511223 | SECRETARY | 0.25 | $0 |
| MICHELLE-KIM COHEN 175 WYMAN STREET, WALTHAM, MA 024511223 | SECRETARY (LEFT 5/5/23) | 0.25 | $0 |
Address and contacts
- Address (IRS master file)
- 175 WYMAN ST, WALTHAM, MA 02451-1223
- In care of
- % CORY SINCLAIR
- Signed the 990-PF
- DONNA DEVITA, TREASURER
- Phone
- (781) 810-3000
- Return prepared by
- CLIFTONLARSONALLENLLP
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990-PF on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-PF on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-PF on file |
IRS record
- EIN
- 81-3478010
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private non-operating foundation
- Donations deductible (Pub 78)
- Private foundation, 30% limit
- Exempt since
- 2016
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T20)
- Assets (IRS master file)
- $135,871
- Income (IRS master file)
- $400,000
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $400,000 | $444,109 | $135,871 | IRS |
| 990-PF | December 2024 | $400,000 | $242,241 | $179,980 | IRS |
| 990-PF | December 2023 | $400,327 | $451,820 | $22,221 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | December 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 81-3478010).
Questions about DASSAULT SYSTEMES FOUNDATION
- What is the EIN of DASSAULT SYSTEMES FOUNDATION?
- The employer identification number (EIN) of DASSAULT SYSTEMES FOUNDATION is 81-3478010.
- Is DASSAULT SYSTEMES FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2016.
- Are donations to DASSAULT SYSTEMES FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does DASSAULT SYSTEMES FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of DASSAULT SYSTEMES FOUNDATION due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did DASSAULT SYSTEMES FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2025.
- Who are the officers and directors of DASSAULT SYSTEMES FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 8 people; 0 received compensation from the organization.
- How much revenue does DASSAULT SYSTEMES FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $400,000, expenses of $444,109 and total assets of $135,871 at year end.
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