David X Marks Foundation
This corporation is formed for the purpose of benefiting the university of southern California and shall be operated exclusively for the benefit of the university of southern California.
David X Marks Foundation at a glance
In short: David X Marks Foundation gave $1.7M across 1 grant in 2025 (avg $1.7M), mostly in California. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $1,655,196
- Grants made (2025)
- 1
- Average grant
- $1,655,196
- Median grant
- $1,655,196
- Total assets
- $38,501,972
- Primary geography
- California (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated November 2026.
Who David X Marks Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was University of Southern California ($1.7M).
Grant Size Distribution
5 grants across all recorded years
The most common grant size was in the $1–5M range: 5 grants of 5 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
How David X Marks Foundation gives
- Giving held roughly steady from 2022 to 2025 (+1%). Method
From the foundation's IRS Form 990 filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $1.5M (2021) to $2.5M (2023). In 2025 it made 1 grant totaling $1.7M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| University of Southern California Los Angeles, CA | Program Support | $1,655,196 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $38,501,972 | $3,728,349 | $1,666,196 | $1,655,196 | 1 | $3,728,349 |
| 2023 | $30,847,931 | $3,144,990 | $2,559,009 | $2,549,009 | 1 | $3,144,990 |
| 2022 | $31,815,168 | $3,318,158 | $1,641,600 | $1,631,600 | 1 | $3,318,158 |
| 2021 | $37,421,091 | $2,367,982 | $1,534,723 | $1,524,723 | 1 | $2,367,982 |
| 2020 | $27,576,989 | $1,862,756 | $1,619,000 | $1,609,000 | 1 | $1,862,756 |
About David X Marks Foundation
Based on IRS filings
David X Marks Foundation is a public charity focused on Education, based in Los Angeles, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $38.5M in total assets. In 2025, it awarded 1 grant totaling $1.7M. Net investment income was $3.7M.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
David X Marks Foundation is led by Stephen Del Guercio, President & Director since 2025 (on filings since 2020); none of the 7 officers listed in 2025 report compensation.
Officers on the 2025 filing
Stephen Del Guercio
President & Director
Secretary, Treasurer & Director → Secretary, Treasurer, President & Director, 2023
Secretary, Treasurer, President & Director → President & Director, 2025
On filings since 2020
0.3 hrs/week
No compensation reported
Bruce Furniss
Secretary & Director
Vice President & Director → Vice President, Secretary & Director, 2023
Vice President, Secretary & Director → Secretary & Director, 2025
On filings since 2020
0.3 hrs/week
No compensation reported
Suzanne Nora Johnson
Director
On filings since 2022
0.3 hrs/week
No compensation reported
David Wright
Director
On filings since 2023
0.3 hrs/week
No compensation reported
Erik Brink
Director
On filings since 2023
0.3 hrs/week
No compensation reported
James Eddy III
Treasurer & Director
On filings since 2023
0.3 hrs/week
No compensation reported
Jennifer Cohen
Director
On filings since 2023
0.3 hrs/week
No compensation reported
Former officers (8)
- Former: Carol Folt (2020–2023) — Director · Filing note: Until 112722
- Former: James Staten (2020–2023) — Director · Filing note: Until 12023
- Former: Mike Bohn (2021–2023) — Director · Filing note: Until 51923
- Former: James Eddy II (2023) — President & Director · Filing note: Until 12622
- Former: James Eddy (2020–2022) — President & Director
- Former: Rick Caruso (2020–2022) — Director
- Former: Dave Roberts (2020) — Director · Filing note: Thru 111119
- Former: MIKE BOHN eff (2020) — Director
Data from IRS Form 990 filings, 2020–2025. "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 David X Marks Foundation
How much does David X Marks Foundation give each year?
David X Marks Foundation gave $1.7M across 1 grant in 2025, according to its 2025 IRS Form 990.
How large is David X Marks Foundation?
David X Marks Foundation reported $38.5M in total assets on its 2025 IRS Form 990. Its revenue that year was $3.7M.
What is David X Marks Foundation?
David X Marks Foundation is a public charity focused on Education, based in Los Angeles, CA. It holds $38.5M in total assets as of 2025.
Where does David X Marks Foundation operate?
David X Marks Foundation has awarded grants in California.
What is David X Marks Foundation's EIN?
David X Marks Foundation's EIN (Employer Identification Number) is 95-6034304. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated November 2026. Sourced from IRS Form 990 filings.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Added Form 990 for fiscal year 2025 (received by the IRS September 9, 2026)
- Updated Form 990 for fiscal year 2020 (received by the IRS September 15, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS September 15, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS September 13, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS September 13, 2024)
- IRS filings on file for fiscal years 2020–2023
Live grants for the work David X Marks Foundation funds
Education Open opportunities, soonest deadline first.
- Innovation Award (Student Competition) $10,000 total scholarship pool ($5,000 first place, $2,500 second place, $1,500 third place, plus $1,000 Realtors' Choice Award) · Due November 10, 2026
- Expand Energy STEM Education Fund Grant Up to US $1,000 · Due November 10, 2026
- Scholarship Drawing Due November 10, 2026
Explore Open Grants
Browse active grant opportunities in David X Marks Foundation's focus areas in our free grants database
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David X Marks Foundation down — hundreds of funders to go?