Nonprofit · EIN 39-6285287
FRIENDS OF THE GEOLOGY MUSEUM UNIVERSITY OF WISCONSIN MADISON IN
Tax-exempt · MADISON, WI 53706
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $82,092 | $28,919 | $53,173 | $815,701 | $0 | $815,701 |
| December 31, 2024 | 990 | $131,035 | $84,668 | $46,367 | $693,637 | $0 | $693,637 |
| December 31, 2023 | 990 | $58,640 | $25,361 | $33,279 | $573,389 | $0 | $573,389 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $29,495
- Membership dues
- $3,735
- Program service revenue
- $0
- Investment income
- $31,534
- Net gain from sales of assets
- $17,957
- Net income from sales of inventory
- $21,063
- Other revenue
- $21,063
Expenses
- Grants and similar amounts paid
- $26,258
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Program services (functional)
- $26,822
- Management and general (functional)
- $1,888
- Fundraising (functional)
- $209
Balance sheet and other
- Total assets, start of year
- $693,637
- Total assets, end of year
- $815,701
- Total liabilities, end of year
- $0
- Net assets, end of year
- $815,701
- Publicly traded securities
- $665,793
- Gross receipts
- $82,821
- Employees
- 0
- Volunteers
- 20
- Year formed
- 1977
- State of legal domicile
- WI
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 |
|---|---|---|---|
| Theresa Marche | President Trustee or director, Officer | 1 | $0 |
| Amy Rambow-Larsen | Vice President Trustee or director, Officer | 0.5 | $0 |
| Dorothy Brar | Secretary Trustee or director, Officer | 0.5 | $0 |
| Daniel Lindner | Treasurer Trustee or director, Officer | 0.5 | $0 |
| Lucretia Ghastin | Board Member Trustee or director | 0.5 | $0 |
| Jennifer Herron | Board Member Trustee or director | 0.5 | $0 |
| Lance Larsen | Board Member Trustee or director | 0.5 | $0 |
| Brooke Norsted | Board Member Trustee or director | 2 | $0 |
| Richard Slaughter | Board Member Trustee or director | 4 | $0 |
990 for the year ended December 31, 2024: 9 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Theresa Marche | President Trustee or director, Officer | 0.5 | $0 |
| Amy Rambow-Larsen | Vice President Trustee or director, Officer | 0.5 | $0 |
| Dorothy Brar | Secretary Trustee or director, Officer | 0.5 | $0 |
| Daniel Lindner | Treasurer Trustee or director, Officer | 0.5 | $0 |
| Lucretia Ghastin | Board Member Trustee or director | 0.5 | $0 |
| Jennifer Herron | Board Member Trustee or director | 0.5 | $0 |
| Lance Larsen | Board Member Trustee or director | 0.5 | $0 |
| Brooke Norsted | Board Member Trustee or director | 2 | $0 |
| Richard Slaughter | Board Member Trustee or director | 4 | $0 |
990 for the year ended December 31, 2023: 10 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Theresa Marche | President Trustee or director, Officer | 0.5 | $0 |
| Amy Rambow-Larsen | Vice President Trustee or director, Officer | 0.5 | $0 |
| Dorothy Brar | Secretary Trustee or director, Officer | 0.5 | $0 |
| Daniel Lindner | Treasurer Trustee or director, Officer | 0.5 | $0 |
| Lucretia Ghastin | Board Member Trustee or director | 0.5 | $0 |
| Jennifer Herron | Board Member Trustee or director | 0.5 | $0 |
| Lance Larsen | Board Member Trustee or director | 0.5 | $0 |
| Brooke Norsted | Board Member Trustee or director | 2 | $0 |
| George Rothdrake | Board Member Trustee or director | 0.5 | $0 |
| Richard Slaughter | Board Member Trustee or director | 4 | $0 |
Address and contacts
- Address (IRS master file)
- 1215 W DAYTON ST, MADISON, WI 53706-1600
- Mailing address (990-N for 2020)
- 1215 West Dayton Street, Madison WI 53706
- Principal officer (990 for 2025)
- Theresa Marche, 1215 West Dayton Street, Madison, WI 53706
- Principal officer (990-N for 2020)
- George Rothdrake, 123 West Gorham Street, Madison WI 53703
- Signed the 990
- Daniel Lindner, Treasurer
- Phone
- (608) 262-1412
Mission
To support the University of Wisconsin Geology Museum including its collections, exhibits, educational programs, research efforts, and personnel.
Program accomplishments
- Provided financial assistance and supplies to the University of Wisconsin Geology Museum. The grant was for general museum operations while the supplies and other expenses benefited a range of projects (e.g., exhibit repairs, annual open house). Contributions to the museum's collections included a Wisconsin trilobite fossil and a set of orange thomsonite specimens from India.Expenses $26,258 · grants $25,000
- Deepened connections between the organization's membership and the University of Wisconsin Geology Museum. This included the publication and mailing of a quarterly newsletter that featured museum updates and specimens. This support was also used to purchase supplies for an educational Behind the Scenes Night at the museum for members.Expenses $564
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
- 39-6285287
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1988
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $815,701
- Income (IRS master file)
- $82,821
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $82,092 | $28,919 | $815,701 | IRS |
| 990 | December 2024 | $131,035 | $84,668 | $693,637 | XML |
| 990 | December 2023 | $58,640 | $25,361 | $573,389 | XML |
| 990 | December 2022 | $61,662 | $24,073 | $472,921 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990-N for 2020 Officer: George Rothdrake | December 31, 2020 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2019 Officer: George Rothdrake | December 31, 2019 | ≤ $50,000 receipts | – | – | e-Postcard |
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 39-6285287).
Questions about FRIENDS OF THE GEOLOGY MUSEUM UNIVERSITY OF WISCONSIN MADISON IN
- What is the EIN of FRIENDS OF THE GEOLOGY MUSEUM UNIVERSITY OF WISCONSIN MADISON IN?
- The employer identification number (EIN) of FRIENDS OF THE GEOLOGY MUSEUM UNIVERSITY OF WISCONSIN MADISON IN is 39-6285287.
- Is FRIENDS OF THE GEOLOGY MUSEUM UNIVERSITY OF WISCONSIN MADISON IN tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1988.
- Are donations to FRIENDS OF THE GEOLOGY MUSEUM UNIVERSITY OF WISCONSIN MADISON IN tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does FRIENDS OF THE GEOLOGY MUSEUM UNIVERSITY OF WISCONSIN MADISON IN 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 FRIENDS OF THE GEOLOGY MUSEUM UNIVERSITY OF WISCONSIN MADISON IN 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 FRIENDS OF THE GEOLOGY MUSEUM UNIVERSITY OF WISCONSIN MADISON IN 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 FRIENDS OF THE GEOLOGY MUSEUM UNIVERSITY OF WISCONSIN MADISON IN?
- The 990 for the year ended December 31, 2025 names Theresa Marche.
- Who are the officers and directors of FRIENDS OF THE GEOLOGY MUSEUM UNIVERSITY OF WISCONSIN MADISON IN?
- The 990 for the year ended December 31, 2025 lists 9 people; 0 received compensation from the organization.
- How much revenue does FRIENDS OF THE GEOLOGY MUSEUM UNIVERSITY OF WISCONSIN MADISON IN have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $82,092, expenses of $28,919 and total assets of $815,701 at year end.
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