Nonprofit · EIN 22-2989704
US SIF FOUNDATION LTD
Tax-exempt · WASHINGTON, DC 20035
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $639,256 | $1,006,050 | -$366,794 | $1,032,571 | $320,146 | $712,425 |
| December 31, 2024 | 990 | $502,062 | $686,204 | -$184,142 | $1,228,513 | $149,294 | $1,079,219 |
| December 31, 2023 | 990 | $890,399 | $623,523 | $266,876 | $1,556,839 | $293,478 | $1,263,361 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $603,894
- Program service revenue
- $13,857
- Investment income
- $21,505
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Other salaries and wages
- $544,050
- Salaries, compensation and benefits (total)
- $644,323
- Professional fundraising fees
- $0
- Occupancy
- $63,128
- Travel
- $15,672
- Depreciation
- $46,264
- Program services (functional)
- $551,176
- Management and general (functional)
- $411,217
- Fundraising (functional)
- $43,657
Balance sheet and other
- Total assets, start of year
- $1,228,513
- Total assets, end of year
- $1,032,571
- Total liabilities, end of year
- $320,146
- Net assets, end of year
- $712,425
- Land, buildings and equipment
- $64,603
- Publicly traded securities
- $620,919
- Net assets without donor restrictions
- $712,425
- Gross receipts
- $639,256
- Employees
- 0
- Volunteers
- 12
- Year formed
- 1989
- State of legal domicile
- MA
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 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| MARIA LETTINI | CEO (CHIEF EXECUTIVE OFFICER) Officer | 20 | $0 | $291,748 | $22,637 |
| BRYAN MCGANNON | MANAGING DIRECTOR Highest-paid employee | 20 | $0 | $164,440 | $19,941 |
| STEPHANIE COHN RUPP | CHAIR Trustee or director, Officer | 1 | $0 | $0 | $0 |
| IYASSU ESSAYAS | VICE CHAIR Trustee or director, Officer | 1 | $0 | $0 | $0 |
| SAURABH NARAIN | TREASURER Trustee or director, Officer | 1 | $0 | $0 | $0 |
| NAKIA MADDOX-EUBANKS | SECRETARY Trustee or director, Officer | 1 | $0 | $0 | $0 |
| ANTHONY EAMES | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| DANIEL HANSON | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| LESLIE SAMUELRICH | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| STROCHER DEREK | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| KIMBERLY GLUCK | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| MAMADOU-ABOU SARR | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| ELIZABETH LEVY | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| NELLE CODE JOUBERT | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
990 for the year ended December 31, 2024: 13 people
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| MARIA LETTINI | CEO (CHIEF EXECUTIVE OFFICER) Officer | 13 | $0 | $338,250 | $25,808 |
| BRYAN MCGANNON | MANAGING DIRECTOR Highest-paid employee | 1.5 | $0 | $159,650 | $19,526 |
| IYASSU ESSAYAS | VICE CHAIR Trustee or director, Officer | 1 | $0 | $0 | $0 |
| KIMBERLY GLUCK | TREASURER Trustee or director, Officer | 1 | $0 | $0 | $0 |
| DANIEL HANSON | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| ELIZABETH LEVY | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| STEPHANIE COHN RUPP | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| LINDA-ELING LEE | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| MAMADOU-ABOU SARR | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| ANTHONY EAMES | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| JULIE GORTE | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| KILEY MILLER | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| DIEDERIK TIMMER | CHAIR Officer | 1 | $0 | $0 | $0 |
990 for the year ended December 31, 2023: 14 people
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| BRYAN M MCGANNON | MANAGING DIRECTOR Highest-paid employee | 1.5 | $0 | $168,141 | $18,036 |
| MARIA A LETTINI BEG 51523 | CEO (CHIEF EXECUTIVE OFFICER) Officer | 13 | $0 | $173,039 | $11,210 |
| LISA WOLL THRU 6123 | CEO (CHIEF EXECUTIVE OFFICER) Officer | 13 | $0 | $153,541 | $6,709 |
| DIEDERIK TIMMER | CHAIR Trustee or director, Officer | 1 | $0 | $0 | $0 |
| IYASSU ESSAYAS | VICE-CHAIR Trustee or director, Officer | 1 | $0 | $0 | $0 |
| KIMBERLY GLUCK | TREASURER Trustee or director, Officer | 1 | $0 | $0 | $0 |
| STEPHANIE COHN RUPP | SECRETARY Trustee or director, Officer | 1 | $0 | $0 | $0 |
| DANIEL HANSON | VOTING MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| KIMBERLY GRIEGO-KIEL | VOTING MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| LINDA-ELING LEE | VOTING MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| MAMADOU-ABOU SARR | VOTING MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| ANTHONY EAMES | VOTING MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| JONAS KRON | VOTING MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| JULIE GORTE | VOTING MEMBER Trustee or director | 1 | $0 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 1050 CONNECTICUT AVE PO BOX 6506, WASHINGTON, DC 20035-7594
- Principal officer (990 for 2025)
- MARIA LETTINI, 1050 CONNECTICUT AVE PO BOX 6506, WASHINGTON, DC 200355064
- Signed the 990
- MARIA LETTINI, CEO (CHIEF EXECUTIVE OFFICER)
- Phone
- (202) 872-5361
- Website
- WWW.USSIF.ORG
- Return prepared by
- SIKICH LLC
Mission
THE US SIF FOUNDATION'S MISSION IS TO RAPIDLY SHIFT INVESTMENT PRACTICES TOWARDS SUSTAINABILITY, FOCUSING ON LONG-TERM INVESTMENT AND THE GENERATION OF POSITIVE SOCIAL AND ENVIRONMENTAL IMPACTS. IT UNDERTAKES EDUCATIONAL, RESEARCH AND PROGRAMMATIC ACTIVITIES IN SUPPORT OF US SIF: THE FORUM FOR SUSTAINABLE AND RESPONSIBLE INVESTMENT, ITS SOLE MEMBER.
Program accomplishments
- PROMOTION AND EDUCATION OF SUSTAINABLE AND RESPONSIBLE INVESTING (SRI), THE PUBLICATION OF RESEARCH REPORTS AND OTHER RESOURCES, AND PROFESSIONAL EDUCATIONAL COURSES, SEMINARS AND FORUMS RELATING TO THE CONCEPT OF SUSTAINABLE AND RESPONSIBLE INVESTING AND PRACTICE.Expenses $551,176 · revenue $13,857
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. 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 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 22-2989704
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Supporting organization (509(a)(3))
- Donations deductible (Pub 78)
- Supporting organization of unknown type
- Exempt since
- 1991
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $1,032,571
- Income (IRS master file)
- $639,256
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $639,256 | $1,006,050 | $1,032,571 | XML |
| 990 | December 2024 | $502,062 | $686,204 | $1,228,513 | IRS |
| 990 | December 2023 | $890,399 | $623,523 | $1,556,839 | XML |
| 990 | December 2022 | $790,227 | $752,134 | $1,527,208 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | IRS |
| 990 | 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 22-2989704).
Questions about US SIF FOUNDATION LTD
- What is the EIN of US SIF FOUNDATION LTD?
- The employer identification number (EIN) of US SIF FOUNDATION LTD is 22-2989704.
- Is US SIF FOUNDATION LTD tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1991.
- Are donations to US SIF FOUNDATION LTD tax-deductible?
- Yes. It is listed in IRS Publication 78 (Supporting organization of unknown type).
- Which annual return does US SIF FOUNDATION LTD file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of US SIF FOUNDATION LTD 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 US SIF FOUNDATION LTD last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of US SIF FOUNDATION LTD?
- The 990 for the year ended December 31, 2025 names MARIA LETTINI.
- Who are the officers and directors of US SIF FOUNDATION LTD?
- The 990 for the year ended December 31, 2025 lists 14 people; 0 received compensation from the organization.
- How much revenue does US SIF FOUNDATION LTD have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $639,256, expenses of $1,006,050 and total assets of $1,032,571 at year end.
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