Nonprofit · EIN 87-4788872
COLLABORATIVE EARTH INSTITUTE
Tax-exempt · BERKELEY, CA 94708
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $571,385 | $701,506 | -$130,121 | $272,037 | $0 | $272,037 |
| December 31, 2024 | 990 | $785,866 | $475,162 | $310,704 | $402,158 | $0 | $402,158 |
| December 31, 2023 | 990 | $261,533 | $170,179 | $91,354 | $91,454 | $0 | $91,454 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $570,721
- of which government grants
- $568,531
- Program service revenue
- $0
- Investment income
- $664
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $60,500
- Other salaries and wages
- $350,576
- Salaries, compensation and benefits (total)
- $471,285
- Professional fundraising fees
- $0
- Accounting fees
- $508
- Travel
- $31,413
- Depreciation
- $16,504
- Program services (functional)
- $555,975
- Management and general (functional)
- $145,531
Balance sheet and other
- Total assets, start of year
- $402,158
- Total assets, end of year
- $272,037
- Total liabilities, end of year
- $0
- Net assets, end of year
- $272,037
- Land, buildings and equipment
- $86,785
- Net assets without donor restrictions
- $21,355
- Net assets with donor restrictions
- $250,682
- Gross receipts
- $571,385
- Employees
- 10
- Year formed
- 2022
- State of legal domicile
- DE
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 |
|---|---|---|---|
| Aaron Hirsh | Executive Dir. Officer | 20 | $60,500 |
| Taylor Ricketts | Director Trustee or director | 0 | $0 |
| Sharon Collinge | Director Trustee or director | 0 | $0 |
| Aimee Classen | Director Trustee or director | 0 | $0 |
| Tim Tensen | Director Trustee or director | 0 | $0 |
| Troy Carter | Director Trustee or director | 0 | $0 |
990 for the year ended December 31, 2024: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Aaron Hirsh | Executive Dir. Officer | 20 | $42,857 |
| Taylor Ricketts | Director Trustee or director | 0 | $0 |
| Sharon Collinge | Director Trustee or director | 0 | $0 |
| Aimee Classen | Director Trustee or director | 0 | $0 |
| Tim Tensen | Director Trustee or director | 0 | $0 |
| Troy Carter | Director Trustee or director | 0 | $0 |
990 for the year ended December 31, 2023: 1 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Aaron Hirsh | Executive Dir. Officer | 20 | $23,500 |
Address and contacts
- Address (IRS master file)
- 5 MAYBECK TWIN DR, BERKELEY, CA 94708-2037
- In care of
- % AARON E HIRSH
- Principal officer (990 for 2025)
- Aaron Hirsh, 5 Maybeck Twin Dr, Berkeley, CA 94708
- Signed the 990
- Aaron Hirsh, Executive Dir.
- Phone
- (303) 261-5498
- Return prepared by
- ROSE E MELVILLE CPA
California records
California keeps its own records of charities and corporations. Search them by EIN 87-4788872 or by the name COLLABORATIVE EARTH INSTITUTE.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
Mission
We are scientists and engineers, humanists and designers. Coming together across disciplinary and cultural boundaries, we form focused teams to discover and co-create pathways to social and ecological regeneration.
Program accomplishments
- We are scientists and engineers, humanists and designers. Coming together across disciplinary and cultural boundaries, we form focused teams to discover and co-create pathways to social and ecological regeneration.Expenses $556,140
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
- 87-4788872
- 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
- 2022
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Science and technology (U20)
- Assets (IRS master file)
- $272,037
- Income (IRS master file)
- $571,385
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $571,385 | $701,506 | $272,037 | IRS |
| 990 | December 2024 | $785,866 | $475,162 | $402,158 | IRS |
| 990 | December 2023 | $261,533 | $170,179 | $91,454 | XML |
| 990-EZ | December 2022 | – | – | – | 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 87-4788872).
Questions about COLLABORATIVE EARTH INSTITUTE
- What is the EIN of COLLABORATIVE EARTH INSTITUTE?
- The employer identification number (EIN) of COLLABORATIVE EARTH INSTITUTE is 87-4788872.
- Is COLLABORATIVE EARTH INSTITUTE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2022.
- Are donations to COLLABORATIVE EARTH INSTITUTE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does COLLABORATIVE EARTH INSTITUTE 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 COLLABORATIVE EARTH INSTITUTE 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 COLLABORATIVE EARTH INSTITUTE 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 COLLABORATIVE EARTH INSTITUTE?
- The 990 for the year ended December 31, 2025 names Aaron Hirsh.
- Who are the officers and directors of COLLABORATIVE EARTH INSTITUTE?
- The 990 for the year ended December 31, 2025 lists 6 people; 1 received compensation from the organization, the highest $60,500 (Aaron Hirsh, Executive Dir.).
- How much revenue does COLLABORATIVE EARTH INSTITUTE have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $571,385, expenses of $701,506 and total assets of $272,037 at year end.
Other nonprofits in BERKELEY
- ASTERA INSTITUTE EIN 84-5162617 · last filed 990-PF for 2024
- SIMONS LAUFER MATHEMATICAL SCIENCES INSTITUTE EIN 94-2650833 · last filed 990 for 2025
- NAVIGATION CHARITABLE FUND EIN 92-1117448 · last filed 990 for 2024
- CONSTELLATION INSTITUTE INC EIN 93-2465256 · last filed 990 for 2024
- MATS RESEARCH INC EIN 99-0648563 · last filed 990 for 2024
- OPEN MOLECULAR SOFTWARE FOUNDATION EIN 86-2536664 · last filed 990 for 2024
- BERKELEY GEOCHRONOLOGY CENTER EIN 94-3202572 · last filed 990 for 2026
- SCIENCE COMMUNICATION LAB INC EIN 47-2404616 · last filed 990 for 2025
All nonprofits in BERKELEY · California · Science and technology