Nonprofit · EIN 26-0467490
FARALLON INSTITUTE
Tax-exempt · PETALUMA, CA 94952
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $911,027 | $878,812 | $32,215 | $202,041 | $15,683 | $186,358 |
| December 31, 2024 | 990 | $1,419,388 | $1,417,079 | $2,309 | $190,678 | $36,535 | $154,143 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $740,122
- of which government grants
- $613,417
- Program service revenue
- $169,427
- Investment income
- $1,478
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $116,543
- Compensation of officers, directors and key employees
- $127,316
- Other salaries and wages
- $409,967
- Salaries, compensation and benefits (total)
- $603,848
- Professional fundraising fees
- $0
- Accounting fees
- $24,000
- Occupancy
- $28,383
- Travel
- $15,836
- Depreciation
- $1,142
- Program services (functional)
- $738,518
- Management and general (functional)
- $112,203
- Fundraising (functional)
- $28,091
Balance sheet and other
- Total assets, start of year
- $190,678
- Total assets, end of year
- $202,041
- Total liabilities, end of year
- $15,683
- Net assets, end of year
- $186,358
- Net assets without donor restrictions
- $168,137
- Net assets with donor restrictions
- $18,221
- Gross receipts
- $911,027
- Employees
- 10
- Volunteers
- 5
- Year formed
- 2007
- State of legal domicile
- CA
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 | Other / benefits |
|---|---|---|---|---|
| WILLIAM J SYDEMAN PHD | PRESIDENT Trustee or director, Officer | 36 | $73,147 | $12,853 |
| JEFFREY DORMAN PHD | EXECUTIVE DIRECTOR Officer | 28 | $39,813 | $1,503 |
| HOPE MILLHOLLAND | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| CATHERINE MADONIA | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| ALEC D MACCALL PHD | DIRECTOR Trustee or director | 1 | $0 | $0 |
| NATHAN MANTUA PHD | DIRECTOR Trustee or director | 1 | $0 | $0 |
990 for the year ended December 31, 2024: 8 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| WILLIAM J SYDEMAN PHD | PRESIDENT Trustee or director, Officer | 40 | $145,950 | $17,234 |
| TROND KRISTIANSEN | PRINCIPAL SCIENTIST Highest-paid employee | 40 | $119,850 | $1,833 |
| MARISOL GARCIA REYES | PRINCIPAL SCIENTIST Highest-paid employee | 40 | $106,407 | $8,206 |
| JEFFREY DORMAN PHD | EXECUTIVE DIRECTOR Officer | 32 | $92,869 | $1,833 |
| HOPE MILLHOLLAND | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| CATHERINE MADONIA | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| ALEC D MACCALL PHD | DIRECTOR Trustee or director | 1 | $0 | $0 |
| NATHAN MANTUA PHD | DIRECTOR Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 101 H ST STE Q, PETALUMA, CA 94952-5100
- In care of
- % WILLIAM J SYDEMAN
- Principal officer (990 for 2025)
- WILLIAM SYDEMAN PHD, 101 H STREET Q, PETALUMA, CA 94952
- Signed the 990
- WILLIAM SYDEMAN PHD, PRESIDENT
- Phone
- (707) 981-8033
- Website
- WWW.FARALLONINSTITUTE.ORG
- Return prepared by
- DILLWOOD BURKEL & MILLAR LLP
Mission
SCIENTIFIC RESEARCH ORGANIZATION DEDICATED TO THE UNDERSTANDING AND PRESERVATION OF HEALTHY MARINE ECOSYSTEMS.
Program accomplishments
- CONDUCTED VARIOUS RESEARCH PROJECTS SUBJECT TO ECOLOGICAL CHANGES, SPECIFICALLY IN THE PACIFIC NORTHWEST. PROJECTS INCLUDED STUDIES ON MARINE BIRDS, PLANKTON IN THE GULF OF ALASKA, ANALYSIS OF ECOSYSTEMS INFORMATION IN SUPPORT OF THE NORTHERN CALIFORNIA COASTAL AREA. PROJECTS FUNDED BY FEDERAL, STATE AND LOCAL GOVERNMENTS, AND CHARITABLE FOUNDATION GRANTS. ALL RESULTS OF THE INSTITUTE'S PROJECTS ARE HELD IN THE PUBLIC DOMAIN FOR THE BENEFIT OF THE GENERAL PUBLIC.Expenses $738,518 · grants $116,543 · revenue $169,427
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
- 26-0467490
- 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
- 2008
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C05)
- Assets (IRS master file)
- $202,041
- Income (IRS master file)
- $911,027
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $911,027 | $878,812 | $202,041 | IRS |
| 990 | December 2024 | $1,419,388 | $1,417,079 | $190,678 | XML |
| 990 | December 2023 | $2,100,575 | $2,117,057 | $268,012 | IRS |
| 990 | December 2022 | $1,713,480 | $1,750,727 | $337,258 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.
Questions about FARALLON INSTITUTE
- What is the EIN of FARALLON INSTITUTE?
- The employer identification number (EIN) of FARALLON INSTITUTE is 26-0467490.
- Is FARALLON INSTITUTE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2008.
- Are donations to FARALLON INSTITUTE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does FARALLON 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 FARALLON 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 FARALLON 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 FARALLON INSTITUTE?
- The 990 for the year ended December 31, 2025 names WILLIAM SYDEMAN PHD.
- Who are the officers and directors of FARALLON INSTITUTE?
- The 990 for the year ended December 31, 2025 lists 6 people; 2 received compensation from the organization, the highest $73,147 (WILLIAM J SYDEMAN PHD, PRESIDENT).
- How much revenue does FARALLON INSTITUTE have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $911,027, expenses of $878,812 and total assets of $202,041 at year end.
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- COMMUNITY LAND SHEPHERDS EIN 93-3342068 · last filed 990-EZ for 2025