FURP.ORG / PUBLIC DATA EXPLORER

THOMAS AND STACEY SIEBEL FOUNDATION

Cite this

Plain text THOMAS AND STACEY SIEBEL FOUNDATION. furp.org, nonprofit organization profile, tax years 2020–2024. https://furp.org/org/943256331. Retrieved 2026-10-21.

APA furp.org. (n.d.). THOMAS AND STACEY SIEBEL FOUNDATION [Nonprofit organization profile; tax years 2020–2024]. Retrieved October 21, 2026, from https://furp.org/org/943256331

MLA “THOMAS AND STACEY SIEBEL FOUNDATION.” furp.org, tax years 2020–2024, https://furp.org/org/943256331. Accessed 21 Oct. 2026.

Retrieved 2026-10-21; covers tax years 2020–2024. Data: furp.org, CC BY 4.0.

2024 · Form 990PF · revenue $10.2M · expenses $57.1M · assets $69.9M

Also known as
FOUNDATION
EIN
94-3256331
Address
PO BOX 5287, REDWOOD CITY, CA 94063-0287
NTEE code
T20Z
Subsection
501(c)(3)
Ruling year
1997
Cross-check
ProPublica Nonprofit Explorer

Each tax year counts once: when a return was amended, only the latest return for that period is used below (superseded returns stay listed, greyed, under Finances).

People paid by the organization

None of the 5 people listed on these returns reported compensation from the organization. They are listed below.

Officers and directors, no compensation reported

5 people listed on the returns with $0 (or no amount) in every compensation column: current people first. Hours are as filed on the latest return each person appears on.

NameLatest titleYearsHrs/wk (latest)CompensationOrganizations
Thomas M Siebel PRESIDENT2020-2024 1 $0 reported 4
Stacey Siebel SECRETARY/CFO/TREASURER2020-2024 1 $0 reported 3
Jennifer Stern (former) DIRECTOR2022-2023 1 $0 reported 1
Mark Berwick (former) CFO/TREASURER2021 1 $0 reported 2
Ann Akichika (former) CFO/TREASURER2020 1 $0 reported 3

People by year

2024 · 2 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
THOMAS M SIEBEL PRESIDENT1 $0-$0 $04
STACEY SIEBEL SECRETARY/CFO/TREASURER1 $0-$0 $03
2023 · 3 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
THOMAS M SIEBEL PRESIDENT1 $0-$0 $04
STACEY SIEBEL SECRETARY/CFO/TREASURER1 $0-$0 $03
JENNIFER STERN DIRECTOR1 $0-$0 $01
2022 · 3 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
THOMAS M SIEBEL PRESIDENT1 $0-$0 $04
STACEY SIEBEL SECRETARY/CFO/TREASURER1 $0-$0 $03
JENNIFER STERN DIRECTOR1 $0-$0 $01
2021 · 3 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
THOMAS M SIEBEL PRESIDENT1 $0-$0 $04
STACEY SIEBEL SECRETARY/CFO/TREASURER1 $0-$0 $03
MARK BERWICK CFO/TREASURER1 $0-$0 $02
2020 · 3 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
THOMAS M SIEBEL PRESIDENT1 $0-$0 $04
STACEY SIEBEL SECRETARY1 $0-$0 $03
ANN AKICHIKA CFO/TREASURER1 $0-$0 $03

Highest-paid independent contractors

2024 · 2 contractors · $160K
NameLocationServicePaid
BLACKROCK INCSAN FRANCISCO, CAINVESTMENT MANAGEMENT$104,168
FRANK RIMERMAN CO LLPPALO ALTO, CAACCOUNTING$55,500

Who the money went to

Grants this organization reported paying: Schedule I Part II of the Form 990, or the grants-paid list on the 990-PF. Open a year for every recipient. Recipients link to their own page when the grant names an EIN we have (990-PF grants list no EIN, so those link only on an exact, unique name and state). Grants to individuals are counted; their names are not shown.

2024 · 22 grants to organizations · $56.0M
2023 · 23 grants to organizations · $6.2M
2022 · 28 grants to organizations · $7.0M
2021 · 26 grants to organizations · $20.6M
2020 · 24 grants to organizations · $6.0M

Negative amounts are returned or refunded grants; they are listed last and left out of the totals of grants paid.

Who gave

No contributors are listed on Schedule B in the e-filed returns we have for this organization.

Finances

Newest first. Each filing: its name on one row, its figures on the row beneath. Greyed filings are superseded by a later return for the same period and are left out everywhere else on this page.

RevenueExpensesAssetsNet assetsContributionsProgram revenueOfficer payEmployeesVolunteers
2024 · Form 990PF period ending 2024-12-31 · view filing · original 990 ↗
$10,241,925$57,108,769 $69,890,219$69,587,414 $0- $0--
2023 · Form 990PF period ending 2023-12-31 · view filing · original 990 ↗
$5,396,362$7,394,501 $116,780,977$116,454,255 $0- $0--
2022 · Form 990PF period ending 2022-12-31 · view filing · original 990 ↗
$5,871,710$8,422,267 $114,993,885$114,450,628 $0- $0--
2021 · Form 990PF period ending 2021-12-31 · view filing · original 990 ↗
$9,137,480$22,811,373 $131,945,562$131,693,814 $0- $0--
2020 · Form 990PF period ending 2020-12-31 · view filing · original 990 ↗
$7,775,074$7,107,963 $140,125,341$139,849,579 $0- $0--

Funders of this organization

Not reported: no grants to this organization appear in the filings we have (tax years 2010 to 2025).

Similar organizations

Ranked without any AI: same NTEE code first, then the same NTEE group; then revenue within 2x, 5x or 10x; then the same state; then similar name and mission text. Same state only · More (100)

OrganizationStateNTEELatest revenueLatest expensesTop-paid titleTop payWhy similar
ANDREW FOUNDATIONCAT20 $7,661,725$658,980 PRESIDENT$0 Same NTEE code T20, revenue within 2x, same state
S L GIMBEL FOUNDATIONCAT20 $14,810,818$16,533,767 Trustee$0 Same NTEE code T20, revenue within 2x, same state
SIJBRANDIJ FOUNDATIONCAT20 $17,940,646$6,189,173 CHIEF EXECUTIVE OFFICER$199,385 Same NTEE code T20, revenue within 2x, same state
ANGELL FOUNDATIONCAT20 $12,904,298$8,800,068 PRESIDENT$407,280 Same NTEE code T20, revenue within 2x, same state
SHURL AND KAY CURCI FOUNDATIONCAT20 $17,400,205$13,234,322 SCIENCE OFFICER$257,500 Same NTEE code T20, revenue within 2x, same state
STUPSKI FOUNDATIONCAT20 $9,070,239$65,016,161 CHIEF EXECUTIVE OFFICER$637,748 Same NTEE code T20, revenue within 2x, same state
THE BARBARA AND GERSON BAKAR FOUNDATIONCAT20 $9,930,967$6,945,988 SENIOR PROGRAM COORD$151,969 Same NTEE code T20, revenue within 2x, same state
SMIDT FOUNDATIONCAT20 $8,134,180$17,163,900 DIRECTOR / PRESIDENT$0 Same NTEE code T20, revenue within 2x, same state
SAAVAN FOUNDATIONCAT20 $10,391,937$83,939 CHAIR & DIRECTOR$0 Same NTEE code T20, revenue within 2x, same state
SAKANA FOUNDATIONCAT20 $8,788,900$15,164,530 TRUSTEE$0 Same NTEE code T20, revenue within 2x, same state
MILIAS FOUNDATIONCAT20 $14,559,994$5,002,512 CEO$10,000 Same NTEE code T20, revenue within 2x, same state
THE SABAN FAMILY FOUNDATIONCAT20 $8,453,495$5,175,222 DIRECTOR, NORTH AMER$286,607 Same NTEE code T20, revenue within 2x, same state
KEVIN AND NICOLE SYSTROM FOUNDATIONCAT20 $13,435,102$1,641,207 CO-PRESIDENT/TREASURER$0 Same NTEE code T20, revenue within 2x, same state
THE KIMBALL FOUNDATIONCAT20 $8,351,612$5,013,388 PRESIDENT$0 Same NTEE code T20, revenue within 2x, same state
SINHA FAMILY FOUNDATIONCAT20 $7,702,879$119,631 President$0 Same NTEE code T20, revenue within 2x, same state
STONE FAMILY FOUNDATIONCAT20 $6,844,290$3,186,055 PRESIDENT$0 Same NTEE code T20, revenue within 2x, same state
AKONADI FOUNDATIONCAT20 $7,077,618$6,855,651 President$517,866 Same NTEE code T20, revenue within 2x, same state
LAYGEND FOUNDATIONCAT20 $17,759,962$18,997,621 PRESIDENT & CEO$0 Same NTEE code T20, revenue within 2x, same state
SPRUCE STREET FOUNDATIONCAT20 $8,679,398$1,266,264 President$0 Same NTEE code T20, revenue within 2x, same state
GSF FOUNDATIONCAT20 $6,957,543$2,433,118 CFO/DIRECTOR$0 Same NTEE code T20, revenue within 2x, same state
LOUD HOUND FOUNDATIONCAT20 $8,057,536$19,073,045 PRESIDENT$0 Same NTEE code T20, revenue within 2x, same state
KAREN AND RICK HARGROVE FOUNDATIONCAT20 $8,678,848$3,326,396 President$0 Same NTEE code T20, revenue within 2x, same state
SIMONIAN FAMILY FOUNDATIONCAT20 $17,887,293$12,891,472 CEO$0 Same NTEE code T20, revenue within 2x, same state
KELSON FOUNDATIONCAT20 $8,090,595$7,607,566 PRESIDENT$0 Same NTEE code T20, revenue within 2x, same state
GUZIK FOUNDATIONCAT20 $7,846,226$4,391,708 PRESIDENT$0 Same NTEE code T20, revenue within 2x, same state

Who funds organizations like this

Grantors that funded the 100 most similar organizations. Ranked by total given to them. Foundations (990-PF) and donor-advised fund sponsors only. Same matching as Funders above (by EIN, or by name for foundations).

GrantorTypeTotal givenGrantsOrganizations fundedYearsWhich ones
SAMUEL AND JEAN FRANKEL FOUNDATION Private foundation$140,716,7052 12015–2016 THE SAMUEL AND JEAN FRANKEL FINE ARTS FOUNDATION
DORIS & DONALD FISHER FOUNDATION Private foundation$10,000,0002 12020–2021 SAKANA FOUNDATION
SILICON VALLEY COMMUNITY FOUNDATION DAF sponsor$6,904,44628 52010–2024 FOOTHILL-DE ANZA COMMUNITY COLLEGES FOUNDATION; TUMO FOUNDATION; JUST KEEP LIVIN FOUNDATION; TENT FOUNDATION and 1 more
FIDELITY INVESTMENTS CHARITABLE GIFT FUND DAF sponsor$4,552,55319 42016–2024 FOOTHILL-DE ANZA COMMUNITY COLLEGES FOUNDATION; JUST KEEP LIVIN FOUNDATION; MATER DEI MONARCH FOUNDATION; TUMO FOUNDATION
CHOBANI FOUNDATION INC Private foundation$3,990,0314 12016–2020 TENT FOUNDATION
TIDES FOUNDATION DAF sponsor$3,636,0005 32019–2024 MITCHELL KAPOR FOUNDATION; TENT FOUNDATION; JUST KEEP LIVIN FOUNDATION
THE HEISING-SIMONS FOUNDATION Private foundation$3,340,0007 12016–2022 FOOTHILL-DE ANZA COMMUNITY COLLEGES FOUNDATION
JHM CHARITABLE FOUNDATION Private foundation$3,098,1472 12024–2024 TUMO FOUNDATION
DONOR ADVISED CHARITABLE GIVING DAF sponsor$2,338,40422 42014–2024 FOOTHILL-DE ANZA COMMUNITY COLLEGES FOUNDATION; TUMO FOUNDATION; JUST KEEP LIVIN FOUNDATION; MATER DEI MONARCH FOUNDATION
MORGAN STANLEY GLOBAL IMPACT FUNDING TRUST INC DAF sponsor$1,942,55012 32014–2024 JUST KEEP LIVIN FOUNDATION; MITCHELL KAPOR FOUNDATION; FOOTHILL-DE ANZA COMMUNITY COLLEGES FOUNDATION
GATES FOUNDATION Private foundation$1,388,7301 12017–2017 MITCHELL KAPOR FOUNDATION
ENTERTAINMENT INDUSTRY FOUNDATION DAF sponsor$971,0808 22015–2024 JUST KEEP LIVIN FOUNDATION; MITCHELL KAPOR FOUNDATION
DENVER FOUNDATION DAF sponsor$750,0002 22020–2024 JUST KEEP LIVIN FOUNDATION; MITCHELL KAPOR FOUNDATION
NATIONAL PHILANTHROPIC TR DAF sponsor$635,50012 42018–2024 FOOTHILL-DE ANZA COMMUNITY COLLEGES FOUNDATION; MATER DEI MONARCH FOUNDATION; MITCHELL KAPOR FOUNDATION; JUST KEEP LIVIN FOUNDATION
CALIFORNIA COMMUNITY FOUNDATION DAF sponsor$593,2475 22016–2024 TUMO FOUNDATION; JUST KEEP LIVIN FOUNDATION

The full list · all similar organizations

Where the money went

Every expense line on each return, biggest first: Form 990 Part IX (with its program, management and fundraising columns), 990-EZ Part I, or 990-PF Part I. Event marks lines the organization itself describes as events. “Events” in each summary adds those lines, conferences and meetings, and the direct costs of fundraising events. Unusual is not the same as improper. Many of these patterns have ordinary explanations. Check the filing.

2024 · Form 990PF · $57,108,769 spent · pay $0 · grants $55,963,000 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $55,963,000 98.0%
Other expenses $638,296 1.1%
Taxes $342,122 0.6%
Fees: other professional $72,712 0.1%
Fees: accounting $55,500 0.1%
Depreciation and depletion $28,389 0.0%
Fees: legal $8,750 0.0%
Total$57,108,769100%

View the filing

2023 · Form 990PF · $7,394,501 spent · pay $82,687 · grants $6,244,343 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $6,244,343 84.4%
Other expenses $565,833 7.7%
Taxes $394,688 5.3%
Other salaries and wages $81,202 1.1%
Fees: accounting $55,500 0.8%
Fees: other professional $47,444 0.6%
Depreciation and depletion $2,986 0.0%
Pension plans and employee benefits $1,485 0.0%
Fees: legal $1,020 0.0%
Total$7,394,501100%

View the filing

2022 · Form 990PF · $8,422,267 spent · pay $134,110 · grants $7,037,977 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $7,037,977 83.6%
Other expenses $770,869 9.2%
Taxes $242,647 2.9%
Fees: other professional $181,423 2.2%
Other salaries and wages $128,542 1.5%
Fees: accounting $51,100 0.6%
Pension plans and employee benefits $5,568 0.1%
Depreciation and depletion $2,986 0.0%
Fees: legal $1,155 0.0%
Total$8,422,267100%

View the filing

2021 · Form 990PF · $22,811,373 spent · pay $81,340 · grants $20,565,000 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $20,565,000 90.2%
Other expenses $1,728,371 7.6%
Fees: other professional $239,919 1.1%
Taxes $143,057 0.6%
Other salaries and wages $78,333 0.3%
Fees: accounting $50,050 0.2%
Pension plans and employee benefits $3,007 0.0%
Depreciation and depletion $2,986 0.0%
Fees: legal $650 0.0%
Total$22,811,373100%

View the filing

2020 · Form 990PF · $7,107,963 spent · pay $42,049 · grants $6,017,500 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $6,017,500 84.7%
Other expenses $701,547 9.9%
Fees: other professional $247,113 3.5%
Taxes $61,004 0.9%
Other salaries and wages $40,833 0.6%
Fees: accounting $35,750 0.5%
Depreciation and depletion $2,986 0.0%
Pension plans and employee benefits $1,216 0.0%
Fees: legal $14 0.0%
Total$7,107,963100%

View the filing