Working Assumptions Foundation

Private foundation · Grantmaker Berkeley, CA EIN: 91-2037968

Working Assumptions Foundation is a private foundation focused on Arts, Culture & Humanities, based in Berkeley, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $718K in total assets. In 2024, it awarded 8 grants totaling $60K.

Working Assumptions Foundation at a glance

In short: Working Assumptions Foundation gave $60K across 8 grants in 2024 (avg $8K), top state California. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$60,000
+220.0% vs 2023
Grants made (2024)
8
+166.7% vs 2023
Average grant
$7,500
+20.0% vs 2023
Median grant
$7,500
Total assets
$718,297
+137.7% vs 2023
Primary geography
California (25% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated September 2026.

Who Working Assumptions Foundation funds

How this funder distributes its grants

Top Recipients

Top 3 recipients in 2024

Individual: $45K across 6 grantsIndividual$45K · 6 grantsPreston Gannaway Photography LLC: $8KPreston Gannaway PhotographyLLC$8KTrent Davis Bailey Ltd: $8KTrent Davis Bailey Ltd$8K

The largest 2024 recipient was Individual ($45K across 6 grants). Together the top 3 received $60K.

Grant Size Distribution

13 grants across all recorded years

12<$50K$50–100K1$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 12 grants of 13 (92%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

8states

Share of 2024 grant dollars across all 8 itemized grants.

Cities

BerkeleyCatonsvilleDenverForestvilleMiamiNew HopeNew YorkSaint JoeSanta MonicaBaton RougeRichmond

How Working Assumptions Foundation gives

  • Giving fell 44% from 2021 to 2024. Method

From the foundation's IRS Form 990-PF filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$50K$100K$150K0 grants2020 1 grant2021 1 grant2022 3 grants2023 8 grants2024

From 2021 to 2024, annual grant giving ranged from $10K (2022) to $107K (2021). In 2024 it made 8 grants totaling $60K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Individual Catonsville, MDTo support photo-based projects that look at family in new, meaningful ways$7,500
Individual Miami, FLTo support photo-based projects that look at family in new, meaningful ways$7,500
Individual New Hope, PATo support photo-based projects that look at family in new, meaningful ways$7,500
Individual New York, NYTo support photo-based projects that look at family in new, meaningful ways$7,500
Individual Saint Joe, ARTo support photo-based projects that look at family in new, meaningful ways$7,500
Individual Santa Monica, CATo support photo-based projects that look at family in new, meaningful ways$7,500
Preston Gannaway Photography LLC Forestville, CATo support photo-based projects that look at family in new, meaningful ways$7,500
Trent Davis Bailey Ltd Denver, COTo support photo-based projects that look at family in new, meaningful ways$7,500
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment Income
2024$718,297$1,910,337$1,508,312$60,0008$1,487,099—
2023$302,145$1,604,325$1,427,370$18,7503$1,074,565—
2022$330,909$852,314$1,633,162$10,0001$1,230,635—
2021$1,074,747$600,119$1,821,074$107,1431$1,410,600—
2020$2,288,312$2,407,258$1,142,017———$258

Leadership & Key People

Officers and directors from IRS filings

Working Assumptions Foundation is led by Eve Biddle, Board Chair on every filing since 2020; none of the 4 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Eve Biddle

    Board Chair

    On filings since 2020

    6 hrs/week

    No compensation reported

  • Geoffrey Biddle

    Vice Chairman

    Vice President → Vice Chairman, 2022

    On filings since 2020

    12 hrs/week

    No compensation reported

  • Jane Gottesman

    Secretary & Treasurer

    On filings since 2020

    30 hrs/week

    No compensation reported

  • James Hughes

    Board Member

    On filings since 2022

    0.5 hrs/week

    No compensation reported

Former officers (2)
  • Former: Annika M. Tubito (2020–2021) — Managing Director
  • Former: Jay Hughes (2020–2021) — Board Member

Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about Working Assumptions Foundation

How much does Working Assumptions Foundation give each year?

Working Assumptions Foundation gave $60K across 8 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $19K across 3 grants.

What is Working Assumptions Foundation's typical grant size?

Working Assumptions Foundation's median grant in 2024 was $7,500, and its average grant was $7,500, across 8 grants on its 2024 IRS Form 990-PF.

Where does Working Assumptions Foundation give grants?

Working Assumptions Foundation's top state is California, with 25% of the grant dollars itemized on its 2024 IRS Form 990-PF. The next largest states were Maryland (13%) and Florida (13%).

Does Working Assumptions Foundation give general operating support?

Not in 2024: none of the 8 grants with a stated purpose on Working Assumptions Foundation's 2024 IRS Form 990-PF were described as general or operating support.

Who are Working Assumptions Foundation's largest grantees?

Working Assumptions Foundation's largest 2024 grantees include Individual ($45,000 across 6 grants), Preston Gannaway Photography LLC ($7,500) and Trent Davis Bailey Ltd ($7,500), according to its 2024 IRS Form 990-PF.

How large is Working Assumptions Foundation?

Working Assumptions Foundation reported $718K in total assets on its 2024 IRS Form 990-PF. Its revenue that year was $1.9M.

What is Working Assumptions Foundation?

Working Assumptions Foundation is a private foundation focused on Arts, Culture & Humanities, based in Berkeley, CA. It holds $718K in total assets as of 2024.

What is Working Assumptions Foundation's EIN?

Working Assumptions Foundation's EIN (Employer Identification Number) is 91-2037968. IRS Form 990 filing data is available on this page for 2020–2024.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Working Assumptions Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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