Nonprofit · EIN 26-2239849
FOUNDATION FOR SCIENTIFIC ADVANCEMENT
Tax-exempt (reinstated) · SIERRA VISTA, AZ 85650
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $16,500 | $26,641 | -$10,141 | $13,494 | $0 | $13,494 |
| December 31, 2024 | 990-EZ | $31,950 | $27,236 | $4,714 | $23,635 | $0 | $23,635 |
| December 31, 2023 | 990-EZ | $0 | $21,889 | -$21,889 | $18,921 | $0 | $18,921 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $16,500
Expenses
- Compensation of officers, directors and key employees
- $0
- Professional fees and payments to contractors
- $1,778
- Occupancy
- $8,003
- Printing, publications and postage
- $624
- Other expenses
- $16,236
- Program services (functional)
- $11,786
Balance sheet and other
- Total assets, start of year
- $23,635
- Total assets, end of year
- $13,494
- Total liabilities, end of year
- $0
- Net assets, end of year
- $13,494
- Cash, savings and investments
- $4,082
- Gross receipts
- $16,500
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-EZ for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| THOMAS KOTSIOPOULOS | CHIEF EXECUTIVE OFFICER | 20 | $0 |
| BETH CHRISTIE | VP | 0 | $0 |
| CAROL KOTSIOPOULOS | TREASURER | 2 | $0 |
990-EZ for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| THOMAS KOTSIOPOULOS | CHIEF EXECUTIVE OFFICER | 20 | $0 |
| BETH CHRISTIE | VP | 0 | $0 |
| CAROL KOTSIOPOULOS | TREASURER | 2 | $0 |
990-EZ for the year ended December 31, 2023: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| THOMAS KOTSIOPOULOS | CHIEF EXECUTIVE OFFICER | 20 | $0 |
| BETH CHRISTIE | VP | 0 | $0 |
| CAROL KOTSIOPOULOS | TREASURER | 2 | $0 |
| JOHN INNIS | DIRECTOR | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 7023 E ALHAMBRA DR, SIERRA VISTA, AZ 85650-9102
- In care of
- % THOMAS CAROL POULOS
- Signed the 990-EZ
- THOMAS KOTSIOPOULOS, CEO
- Phone
- (847) 533-8990
- Return prepared by
- DETTERBECK JOHNSON & MONSEN LTD
Mission
THE FOUNDATION FOR SCIENTIFIC ADVANCEMENT SPECIALIZES IN PRIVATELY FUNDED SCIENTIFIC RESEARCH PROJECTS.
Program accomplishments
- RESEARCH AND PUBLISHED ARTICLES AS IT RELATES TO ASTRONOMY PROJECTS: ON GOING STUDIES OF STARS, PLANETS, ASTERIODS AND METEORSExpenses $6,396
- RESEARCH AND PUBLISHED ARTICLES AS IT RELATES TO ARCHEOLOGY PROJECTS: ON GOING STUDIES OF ANCIENT SURFACES AND MUMMIES USING LASER SIMULATED FLOURESCENCEExpenses $1,042
- RESEARCH AND PUBLISHED ARTICLES AS IT RELATES TO PALEONTOLOGY PROJECTS: ON GOING STUDIES OF VERTEBRAE PALEONTOGOLY ANALYSISExpenses $4,348
What it must file and when
IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. 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-EZ on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 26-2239849
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2014
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Science and technology (U99)
- Assets (IRS master file)
- $13,494
- Income (IRS master file)
- $16,500
Revocation and reinstatement
- Exemption revoked
- May 15, 2012
- Posted by the IRS
- March 11, 2013
- Reinstated
- Effective May 15, 2012
From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $16,500 | $26,641 | $13,494 | IRS |
| 990-EZ | December 2024 | $31,950 | $27,236 | $23,635 | XML |
| 990-EZ | December 2023 | $0 | $21,889 | $18,921 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | 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 26-2239849).
Questions about FOUNDATION FOR SCIENTIFIC ADVANCEMENT
- What is the EIN of FOUNDATION FOR SCIENTIFIC ADVANCEMENT?
- The employer identification number (EIN) of FOUNDATION FOR SCIENTIFIC ADVANCEMENT is 26-2239849.
- Is FOUNDATION FOR SCIENTIFIC ADVANCEMENT tax-exempt?
- Yes. The IRS revoked its exemption on May 15, 2012 and reinstated it effective May 15, 2012.
- Are donations to FOUNDATION FOR SCIENTIFIC ADVANCEMENT tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does FOUNDATION FOR SCIENTIFIC ADVANCEMENT file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of FOUNDATION FOR SCIENTIFIC ADVANCEMENT 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 FOUNDATION FOR SCIENTIFIC ADVANCEMENT last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who are the officers and directors of FOUNDATION FOR SCIENTIFIC ADVANCEMENT?
- The 990-EZ for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
- How much revenue does FOUNDATION FOR SCIENTIFIC ADVANCEMENT have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $16,500, expenses of $26,641 and total assets of $13,494 at year end.
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