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Nonprofit · EIN 94-2386151

GORILLA FOUNDATION

Tax-exempt · WOODSIDE, CA 94062

Financials

$530K$772K2022$1.1M$811K2023−$339K$1M2024
Revenue Expenses · by fiscal year end
Financials of GORILLA FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
May 31, 2025990-$339,439$1,039,572-$1,379,011$5,808,086$41,000$5,767,086
May 31, 2024990$1,071,038$811,143$259,895$6,976,426$31,231$6,945,195
May 31, 2023990$529,945$771,728-$241,783$6,737,605$69,129$6,668,476
Financial details: 990 for the year ended May 31, 2025

Revenue

Contributions, gifts and grants
$492,843
Program service revenue
$0
Investment income
-$834,554
Royalties
$2,753
Net gain from sales of assets
-$836,685
Net income from sales of inventory
-$481
Other revenue
$2,272

Expenses

Grants and similar amounts paid
$14,477
Compensation of officers, directors and key employees
$111,638
Other salaries and wages
$92,932
Salaries, compensation and benefits (total)
$236,005
Professional fundraising fees
$0
Legal fees
$9,076
Accounting fees
$41,050
Occupancy
$128,638
Travel
$1,833
Depreciation
$77,643
Program services (functional)
$759,331
Management and general (functional)
$176,923
Fundraising (functional)
$103,318

Balance sheet and other

Total assets, start of year
$6,976,426
Total assets, end of year
$5,808,086
Total liabilities, end of year
$41,000
Net assets, end of year
$5,767,086
Land, buildings and equipment
$197,456
Publicly traded securities
$1,749,951
Net assets without donor restrictions
$5,767,086
Gross receipts
$872,250
Employees
6
Volunteers
4
Year formed
1976
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 May 31, 2025, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
Christa NunesDirector & CSO
Trustee or director, Officer
40$83,200$0
Gary StanleyCOO
Officer
40$16,942$960
Francine PattersonPresident & CEO
Trustee or director, Officer
20$9,576$960
David RutanDirector
Trustee or director
1$0$0
Jeanne GardnerDirector
Trustee or director
1$0$0
Kerry HoganDirector
Trustee or director
1$0$0
Russell SkibstedDirector
Trustee or director
1$0$0
990 for the year ended May 31, 2024: 7 people
NameTitleHours / weekCompensationOther / benefits
Christa NunesCSO
Trustee or director, Officer
40$83,200$0
Gary StanleyCOO
Officer
40$16,942$960
Francine PattersonPresident & CEO
Trustee or director, Officer
20$9,576$960
David RutanDirector
Trustee or director
1$0$0
Jeanne GardnerDirector
Trustee or director
1$0$0
Kerry HoganDirector
Trustee or director
1$0$0
Russell SkibstedDirector
Trustee or director
1$0$0
990 for the year ended May 31, 2023: 6 people
NameTitleHours / weekCompensationOther / benefits
Christa NunesCSO
Trustee or director, Officer
40$83,200$0
Francine PattersonPresident & CEO
Trustee or director, Officer
20$0$844
Gary StanleyCOO
Officer
40$0$844
David RutanDirector
Trustee or director
5$0$0
Jeanne GardnerDirector
Trustee or director
1$0$0
Kerry HoganDirector
Trustee or director
1$0$0

Address and contacts

Address (IRS master file)
17820 SKYLINE BLVD, WOODSIDE, CA 94062-3784
Principal officer (990 for 2024)
Francine Patterson, PO Box 620530, Woodside, CA 94062
Signed the 990
Francine Patterson, President & CEO
Phone
(650) 216-6450
Return prepared by
Iryna AC

California records

California keeps its own records of charities and corporations. Search them by EIN 94-2386151 or by the name GORILLA FOUNDATION.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

Mission

To bring interspecies communication to the public, in order to save gorillas from extinction, and inspire our children to create a sustainable future for all great apes.

990 for the year ended May 31, 2025

Program accomplishments

  • EDUCATION: (aka KokoConnects) a) We continued to create and post weekly videos from our 5-decade archive featuring Koko, Ndume, Michael, and their caregivers, thereby educating the public about the true cognitive and emotional capacities of gorillas.b) We created Koko Signs pre/post surveys to help increase and evaluate the conservation impact of the app in shifting knowledge and behaviors toward gorilla protection.
    Expenses $232,429
  • RESEARCH: (aka KokoConnects)a) We continued to analyze our 2,000-hour research video collection for interspecies communication topics that make strong subjects for further analysis and public discussion.b) We added new signs, conversations, and interviews (KokoCasts) to the Koko Signs app, enhancing its value for conservation-education curriculum development.c) We created Koko Signs pre/post surveys to help measure the apps impact on changing attitudes toward, and actions on behalf of, gorillas.
    Expenses $215,266
  • WELFARE: (aka KokoCares)In FYE2025 we began a partnership with The Aspinall Foundation to design a state-of-the-art gorilla sanctuary in the Republic of Congo. Borrowing design concepts from the earlier 71-acre Maui Gorilla Sanctuary, we began planning a 300-acre, scalable site capable of accommodating both zoo-born gorillas seeking a more natural life and wild-born orphaned gorillas preparing for rewilding. The Aspinall Foundation brings decades of rewilding experience, and the Congo site lies within a protected national reserve with over 40 years of zero gorilla poaching. A Memorandum of Understanding is nearing completion, enabling us to engage a world-class designer in 2026 to convert conceptual plans into construction plans.
    Expenses $212,322
  • Conservation: (aka: KokoProtects)In FYE2025 we expanded our partnership with the Community-Based Biosynergy Management Foundation in Cameroon to focus on protecting the critically endangered Cross-River Gorilla subspecies along the CameroonNigeria border. This project integrates empathy-building via the Koko Signs app with a community-based monitoring program using camera traps to generate a more accurate population census. Earlier in the year, we concentrated on conservation education in Eastern Cameroon with communities living near Western Lowland Gorilla habitats. We also began introducing more accurate pre/post app surveys to measure the impact of our Koko-inspired educational materials.The overarching goal is to develop replicable, Koko-enriched conservation methods that can help protect all four gorilla subspecies from extinction.
    Expenses $99,314 · grants $14,477

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 May, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025May 31, 2026October 15, 2026Not on file
2024May 31, 2025October 15, 2025990 on file
2023May 31, 2024October 15, 2024990 on file

IRS record

EIN
94-2386151
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
1977
Accounting year ends
May
Files
Form 990 or 990-EZ
Assets (IRS master file)
$5,808,086
Income (IRS master file)
$872,250

Filing history

FormYear endedRevenueExpensesAssetsReturn
990May 2025-$339,439$1,039,572$5,808,086XML
990May 2024$1,071,038$811,143$6,976,426XML
990May 2023$529,945$771,728$6,737,605XML
990May 2022$4,977,178$453,560$6,948,662IRS
990May 2021–––IRS
990May 2020–––IRS
990May 2019–––IRS
990May 2018–––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 94-2386151).

Questions about GORILLA FOUNDATION

What is the EIN of GORILLA FOUNDATION?
The employer identification number (EIN) of GORILLA FOUNDATION is 94-2386151.
Is GORILLA FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1977.
Are donations to GORILLA FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does GORILLA FOUNDATION 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 GORILLA FOUNDATION due?
The return for tax year 2025 (the year ending May 31, 2026) is due October 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did GORILLA FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended May 2025.
Who is the principal officer of GORILLA FOUNDATION?
The 990 for the year ended May 31, 2025 names Francine Patterson.
Who are the officers and directors of GORILLA FOUNDATION?
The 990 for the year ended May 31, 2025 lists 7 people; 3 received compensation from the organization, the highest $83,200 (Christa Nunes, Director & CSO).
How much revenue does GORILLA FOUNDATION have?
On its 990 for the year ended May 31, 2025 it reported revenue of -$339,439, expenses of $1,039,572 and total assets of $5,808,086 at year end.

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