Nonprofit · EIN 31-1688738
RETHINKING AIDS THE GROUP FOR THE SCIENTIFIC REAPPRAISAL OF THE HIV
Also known as REAPPRAISAL OF HIV HYPOTHESIS
Tax-exempt · COLORADO SPGS, CO 80909
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $0 | $1,890 | -$1,890 | $2,082 | $0 | $2,082 |
| December 31, 2024 | 990-PF | $0 | $3,056 | -$3,056 | $3,972 | $0 | $3,972 |
| December 31, 2023 | 990-PF | $5 | $7,694 | -$7,689 | $7,028 | $0 | $7,028 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
Expenses
- Grants and similar amounts paid
- $0
Balance sheet and other
- Total assets, start of year
- $3,972
- Total assets, end of year
- $2,082
- Total liabilities, end of year
- $0
- Net assets, end of year
- $2,082
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 |
|---|---|---|---|
| TOM DIFERDINANDO COOPER STATION PO BOX 1621, NEW YORK, NY 10003 | PRESIDENT | 0.5 | $0 |
| DAVID RASNICK 407 LEAWOOD DRIVE, GREENSBORO, NC 27410 | DIRECTOR | 0.25 | $0 |
| RAUL EHRICHS DE PALMA CALLE PENA 18 1 1ZQ, MALAGA ANDALUCIA, SP | DIRECTOR | 0.25 | $0 |
| CHRISTIAN FIALA GYNMED CLINIC MARIA HILFERGUERTEL 37, VIENNA, AU | DIRECTOR | 0.25 | $0 |
| CHARLES GESHEKTER 2560 NORTH AVENUE, CHICO, CA 95973 | DIRECTOR | 0.25 | $0 |
| CLAUS KOEHNLEIN 24103 KIEL, KONIGSWEG, GM | DIRECTOR | 0.25 | $0 |
| ROPERT LEPPO 532 MORNINGHOME ROAD, DANVILLE, CA 94526 | DIRECTOR | 0.25 | $0 |
| JOAN SHENTON 17 IVY LODGE 122 NOTTING HILL GAE, LONDON, UK | DIRECTOR | 0.25 | $0 |
| HELEN LAUER PO BOX 35753, DARES SALAAM, TZ | DIRECTOR | 0.25 | $0 |
990-PF for the year ended December 31, 2024: 9 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| TOM DIFERDINANDO 43 E 1ST STREET, NEW YORK, NY 10003 | PRESIDENT | 0.5 | $595 |
| DAVID RASNICK 407 LEAWOOD DRIVE, GREENSBORO, NC 27410 | DIRECTOR | 0.25 | $0 |
| RAUL EHRICHS DE PALMA CALLE PENA 18 1 1ZQ, MALAGA ANDALUCIA, SP | DIRECTOR | 0.25 | $0 |
| CHRISTIAN FIALA GYNMED CLINIC MARIA HILFERGUERTEL 37, VIENNA, AU | DIRECTOR | 0.25 | $0 |
| CHARLES GESHEKTER 2560 NORTH AVENUE, CHICO, CA 95973 | DIRECTOR | 0.25 | $0 |
| CLAUS KOEHNLEIN 24103 KIEL, KONIGSWEG, GM | DIRECTOR | 0.25 | $0 |
| ROPERT LEPPO 532 MORNINGHOME ROAD, DANVILLE, CA 94526 | DIRECTOR | 0.25 | $0 |
| JOAN SHENTON 17 IVY LODGE 122 NOTTING HILL GAE, LONDON, UK | DIRECTOR | 0.25 | $0 |
| HELEN LAUER PO BOX 35753, DARES SALAAM, TZ | DIRECTOR | 0.25 | $0 |
990-PF for the year ended December 31, 2023: 9 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| TOM DIFERDINANDO 43 E 1ST STREET, NEW YORK, NY 10003 | PRESIDENT | 0.5 | $596 |
| DAVID RASNICK 407 LEAWOOD DRIVE, GREENSBORO, NC 27410 | DIRECTOR | 0.25 | $0 |
| RAUL EHRICHS DE PALMA CALLE PENA 18 1 1ZQ, MALAGA ANDALUCIA, SP | DIRECTOR | 0.25 | $0 |
| CHRISTIAN FIALA GYNMED CLINIC MARIA HILFERGUERTEL 37, VIENNA, AU | DIRECTOR | 0.25 | $0 |
| CHARLES GESHEKTER 2560 NORTH AVENUE, CHICO, CA 95973 | DIRECTOR | 0.25 | $0 |
| CLAUS KOEHNLEIN 24103 KIEL, KONIGSWEG, GM | DIRECTOR | 0.25 | $0 |
| ROPERT LEPPO 532 MORNINGHOME ROAD, DANVILLE, CA 94526 | DIRECTOR | 0.25 | $0 |
| JOAN SHENTON 17 IVY LODGE 122 NOTTING HILL GAE, LONDON, UK | DIRECTOR | 0.25 | $0 |
| HELEN LAUER PO BOX 35753, DARES SALAAM, TZ | DIRECTOR | 0.25 | $0 |
Address and contacts
- Address (IRS master file)
- 2302 ZANE PL, COLORADO SPGS, CO 80909-1651
- Signed the 990-PF
- TOM D FERDINANDO, PESIDENT
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
- 31-1688738
- 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
- 2000
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Education (B99)
- Assets (IRS master file)
- $2,082
- Income (IRS master file)
- $1
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $0 | $1,890 | $2,082 | XML |
| 990-PF | December 2024 | $0 | $3,056 | $3,972 | XML |
| 990-PF | December 2023 | $5 | $7,694 | $7,028 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | December 2018 | – | – | – | IRS |
| 990-PF | December 2017 | – | – | – | 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 31-1688738).
Questions about RETHINKING AIDS THE GROUP FOR THE SCIENTIFIC REAPPRAISAL OF THE HIV
- What is the EIN of RETHINKING AIDS THE GROUP FOR THE SCIENTIFIC REAPPRAISAL OF THE HIV?
- The employer identification number (EIN) of RETHINKING AIDS THE GROUP FOR THE SCIENTIFIC REAPPRAISAL OF THE HIV is 31-1688738.
- Is RETHINKING AIDS THE GROUP FOR THE SCIENTIFIC REAPPRAISAL OF THE HIV tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2000.
- Are donations to RETHINKING AIDS THE GROUP FOR THE SCIENTIFIC REAPPRAISAL OF THE HIV tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does RETHINKING AIDS THE GROUP FOR THE SCIENTIFIC REAPPRAISAL OF THE HIV file?
- Form 990-PF. Private foundations file every year.
- When is the next return of RETHINKING AIDS THE GROUP FOR THE SCIENTIFIC REAPPRAISAL OF THE HIV 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 RETHINKING AIDS THE GROUP FOR THE SCIENTIFIC REAPPRAISAL OF THE HIV 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 RETHINKING AIDS THE GROUP FOR THE SCIENTIFIC REAPPRAISAL OF THE HIV?
- The 990-PF for the year ended December 31, 2025 lists 9 people; 0 received compensation from the organization.
- How much revenue does RETHINKING AIDS THE GROUP FOR THE SCIENTIFIC REAPPRAISAL OF THE HIV have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $0, expenses of $1,890 and total assets of $2,082 at year end.
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