FURP.ORG / PUBLIC DATA EXPLORER

S MARK TAPER FOUNDATION

Cite this

Plain text S MARK TAPER FOUNDATION. furp.org, nonprofit organization profile, tax years 2020–2024. https://furp.org/org/320516588. Retrieved 2026-10-21.

APA furp.org. (n.d.). S MARK TAPER FOUNDATION [Nonprofit organization profile; tax years 2020–2024]. Retrieved October 21, 2026, from https://furp.org/org/320516588

MLA “S MARK TAPER FOUNDATION.” furp.org, tax years 2020–2024, https://furp.org/org/320516588. Accessed 21 Oct. 2026.

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

2024 · Form 990PF · revenue $16.7M · expenses $9.4M · assets $186.2M

EIN
32-0516588
Address
12011 SAN VICENTE BLVD STE 400, LOS ANGELES, CA 90049-4946
Website
WWW.SMTFOUNDATION.ORG
NTEE code
T22
Subsection
501(c)(3)
Ruling year
2017
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Each tax year counts once: when a return was amended, only the latest return for that period is used below (superseded returns stay listed, greyed, under Finances).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

9 people paid across every filing: current people first, then by total pay from this organization. Organizations counts every nonprofit each person appears on.

NameLatest titleYearsLatest year payTotal pay from hereOrganizations
Adrienne Wittenberg EXECUTIVE DIRECTOR2020-2024 $518,372$2,060,219 1
Ilene Silberman CHIEF FINANCIAL OFFI2022-2024 $377,974$971,782 1
Roy Weitz TRUSTEE AND INVESTMENT OFFICER2020-2024 $13,332$947,992 1
Kristen Haggins SENIOR PROGRAM OFFIC2020-2024 $219,895$798,737 1
Deborah Green SENIOR ACCOUNTANT2020-2024 $163,411$740,815 1
Thomas Gallatin GRANTS PROGRAM OFFIC2022-2024 $129,354$296,929 1
Amelia Taper Bolker TRUSTEE AND PRESIDENT2020-2024 $0$60,000 1
Alyssa Villaire (former) PROGRAM OFFICER2020-2021 $69,556$157,212 1
Amanda Adams (former) GRANTS ADMINISTRATOR2020-2021 $70,716$138,647 1

Officers and directors, no compensation reported

1 person 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
Janice Taper Lazarof TRUSTEE AND PRESIDENT EMERITUS2020-2024 10 $0 reported 1

People by year

2024 · 8 people listed · 6 paid, $1.4M
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
ADRIENNE WITTENBERG EXECUTIVE DIRECTOR40 $456,130-$62,242 $518,3721
ILENE SILBERMAN CHIEF FINANCIAL OFFI40 $348,676-$29,298 $377,9741
KRISTEN HAGGINS SENIOR PROGRAM OFFIC35 $195,551-$24,344 $219,8951
DEBORAH GREEN SENIOR ACCOUNTANT35 $157,742-$5,669 $163,4111
THOMAS GALLATIN GRANTS PROGRAM OFFIC35 $115,343-$14,011 $129,3541
ROY WEITZ TRUSTEE AND INVESTMENT OFFICER10 $12,914-$418 $13,3321
JANICE TAPER LAZAROF TRUSTEE AND PRESIDENT EMERITUS10 $0-$0 $01
AMELIA TAPER BOLKER TRUSTEE AND PRESIDENT15 $0-$0 $01
2023 · 8 people listed · 6 paid, $1.3M
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
ADRIENNE WITTENBERG EXECUTIVE DIRECTOR40 $425,244-$50,915 $476,1591
ILENE SILBERMAN CHIEF FINANCIAL OFFI40 $326,250-$24,157 $350,4071
KRISTEN HAGGINS SENIOR PROGRAM OFFIC35 $162,500-$20,882 $183,3821
DEBORAH GREEN SENIOR ACCOUNTANT35 $151,260-$3,607 $154,8671
THOMAS GALLATIN GRANTS PROGRAM OFFIC35 $85,417-$11,645 $97,0621
ROY WEITZ TRUSTEE AND INVESTMENT OFFICER10 $20,966-$419 $21,3851
JANICE TAPER LAZAROF TRUSTEE AND PRESIDENT EMERITUS10 $0-$0 $01
AMELIA TAPER BOLKER TRUSTEE AND PRESIDENT15 $0-$0 $01
2022 · 8 people listed · 6 paid, $1.1M
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
ADRIENNE WITTENBERG EXECUTIVE DIRECTOR40 $387,864-$45,814 $433,6781
ILENE SILBERMAN CHIEF FINANCIAL OFFI40 $231,923-$11,478 $243,4011
DEBORAH GREEN SENIOR ACCOUNTANT35 $116,444-$31,153 $147,5971
KRISTEN HAGGINS SENIOR PROGRAM OFFIC35 $125,011-$17,872 $142,8831
ROY WEITZ TRUSTEE, CFO THRU 01/22, INV. ADVISOR10 $94,393-$1,888 $96,2811
THOMAS GALLATIN GRANTS MANAGER35 $62,615-$7,898 $70,5131
JANICE TAPER LAZAROF PRESIDENT AND TRUSTEE10 $0-$0 $01
AMELIA TAPER BOLKER VP, TREASURER, SECRETARY, AND TRUSTEE15 $0-$0 $01
2021 · 8 people listed · 7 paid, $1.2M
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
ROY WEITZ TRUSTEE, CFO35 $392,601-$25,425 $418,0261
ADRIENNE WITTENBERG EXECUTIVE DIRECTOR35 $285,597-$43,603 $329,2001
DEBORAH GREEN ACCOUNTING35 $109,055-$30,885 $139,9401
KRISTEN HAGGINS PROGRAM OFFICER35 $113,542-$16,466 $130,0081
AMANDA ADAMS GRANTS ADMINISTRATOR35 $61,989-$8,727 $70,7161
ALYSSA VILLAIRE PROGRAM OFFICER35 $62,945-$6,611 $69,5561
AMELIA TAPER BOLKER TRUSTEE, VP, SECRETARY, TREASURER10 $30,000-$0 $30,0001
JANICE TAPER LAZAROF TRUSTEE, PRESIDENT10 $0-$0 $01
2020 · 8 people listed · 7 paid, $1.1M
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
ROY WEITZ TRUSTEE, CFO35 $373,840-$25,128 $398,9681
ADRIENNE WITTENBERG EXECUTIVE DIRECTOR35 $261,377-$41,433 $302,8101
DEBORAH GREEN ACCOUNTING35 $104,222-$30,778 $135,0001
KRISTEN HAGGINS PROGRAM OFFICER35 $107,043-$15,526 $122,5691
ALYSSA VILLAIRE PROGRAM OFFICER35 $79,167-$8,489 $87,6561
AMANDA ADAMS GRANTS ADMINISTRATOR35 $59,508-$8,423 $67,9311
AMELIA TAPER BOLKER TRUSTEE, VP, SECRETARY, TREASURER10 $30,000-$0 $30,0001
JANICE TAPER LAZAROF TRUSTEE, PRESIDENT10 $0-$0 $01

Highest-paid independent contractors

2024 · 3 contractors · $474K
NameLocationServicePaid
HOTCHKIS & WILEY CAPITAL MANAGEMENTLOS ANGELES, CAINVESTMENT MGMT$178,446
FRONTIER CAPITAL MANAGEMENTBOSTON, MAINVESTMENT MGMT$173,479
BANK OF AMERICAUS TRUSTDALLAS, TXINVESTMENT MGMT$122,516
2023 · 3 contractors · $436K
NameLocationServicePaid
HOTCHKIS & WILEY CAPITAL MANAGEMENTLOS ANGELES, CAINVESTMENT MGMT$185,414
FRONTIER CAPITAL MANAGEMENTBOSTON, MAINVESTMENT MGMT$149,560
BANK OF AMERICAUS TRUSTDALLAS, TXINVESTMENT MGMT$101,509
2022 · 3 contractors · $398K
NameLocationServicePaid
HOTCHKIS & WILEY CAPITAL MANAGEMENTLOS ANGELES, CAINVESTMENT MGMT$174,333
FRONTIER CAPITAL MANAGEMENTBOSTON, MAINVESTMENT MGMT$134,605
BANK OF AMERICAUS TRUSTDALLAS, TXINVESTMENT MGMT$89,531
2021 · 3 contractors · $428K
NameLocationServicePaid
HOTCHKIS & WILEY CAPITAL MANAGEMENTLOS ANGELES, CAINVESTMENT MGMT$183,481
FRONTIER CAPITAL MANAGEMENTBOSTON, MAINVESTMENT MGMT$145,465
BANK OF AMERICAUS TRUSTDALLAS, TXINVESTMENT MGMT$99,188
2020 · 3 contractors · $303K
NameLocationServicePaid
HOTCHKIS & WILEY CAPITAL MANAGEMENTLOS ANGELES, CAINVESTMENT MGMT$127,266
FRONTIER CAPITAL MANAGEMENTBOSTON, MAINVESTMENT MGMT$92,783
BANK OF AMERICAUS TRUSTDALLAS, TXINVESTMENT MGMT$83,102

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 · 71 grants to organizations · $6.6M
2023 · 70 grants to organizations · $6.9M
2022 · 79 grants to organizations · $7.5M
2021 · 79 grants to organizations · $5.8M
2020 · 88 grants to organizations · $5.9M

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 ↗
$16,708,190$9,381,572 $186,186,083$185,296,942 -- $12,914--
2023 · Form 990PF period ending 2023-12-31 · view filing · original 990 ↗
$8,374,826$9,309,803 $170,681,940$169,656,309 -- $20,966--
2022 · Form 990PF period ending 2022-12-31 · view filing · original 990 ↗
$7,706,659$9,704,637 $148,056,231$146,679,604 -- $94,394--
2021 · Form 990PF period ending 2021-12-31 · view filing · original 990 ↗
$17,411,120$8,115,894 $110,679,604$110,502,578 -- $708,199--
2020 · Form 990PF period ending 2020-12-31 · view filing · original 990 ↗
$6,225,096$7,904,978 $101,488,564$101,191,850 -- $403,840--

Funders of this organization

1 grantor reported grants to this organization, $6,000 in all, tax years 2025 to 2025. Exact: the grantor wrote this organization's EIN. Fuzzy: the grantor wrote only a name (foundations' 990-PF has no EIN field), matched to the same or a near-identical name in the same state; the name as filed is shown. From the latest return for each grantor and year, so amended returns aren't counted twice. CSV

GrantorTypeMatchYears givenGrantsTotalLatest yearLatest year's amountGrants
EIGHT DAYS OF HOPE INC Public charity Exact 2025 1$6,000 2025$6,000
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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
SHP FOUNDATIONCAT22 $12,827,460$5,569,199 SECRETARY, DIRECTOR$0 Same NTEE code T22, revenue within 2x, same state, similar name
SCOTT FOUNDATIONCAT22 $9,587,697$1,770,368 CHAIRMAN OF THE BOARD AND$0 Same NTEE code T22, revenue within 2x, same state, similar name
PWB FOUNDATIONCAT22 $14,849,149$24,266,892 DIRECTOR AND CEO$0 Same NTEE code T22, revenue within 2x, same state
WHH FOUNDATIONCAT22 $11,426,815$9,155,199 EXECUTIVE DIRECTOR$212,930 Same NTEE code T22, revenue within 2x, same state
MERCURY FOUNDATIONCAT22 $15,081,915$32,444,756 TRUSTEE$0 Same NTEE code T22, revenue within 2x, same state
RADY FOUNDATIONCAT22 $20,664,711$4,297,196 Trustee$0 Same NTEE code T22, revenue within 2x, same state
TROPER WOJCICKI FOUNDATIONCAT22 $33,262,240$21,659,053 PRESIDENT$0 Same NTEE code T22, revenue within 2x, same state
QUEST FOUNDATIONCAT22 $10,039,857$8,297,441 EXECUTIVE DIRECTOR, CFO & DIRECTOR$182,924 Same NTEE code T22, revenue within 2x, same state
KAVLI FOUNDATIONCAT22 $31,441,928$41,925,144 PRESIDENT$824,011 Same NTEE code T22, revenue within 2x, same state
KASPERICK FOUNDATIONCAT22 $14,613,245$5,690,368 TRUSTEE$0 Same NTEE code T22, revenue within 2x, same state
SUN FAMILY FOUNDATIONCAT22 $24,074,638$7,158,982 TREASURER$14,285 Same NTEE code T22, revenue within 2x, same state
THE PIMCO FOUNDATIONCAT22 $25,915,862$7,156,811 PRESIDENT/DIRECTOR$0 Same NTEE code T22, revenue within 2x, same state
PERENCHIO FOUNDATIONCAT22 $10,214,216$56,732,053 CEO$516,827 Same NTEE code T22, revenue within 2x, same state
MEADOWVIEW FOUNDATIONCAT22 $15,619,619$14,776,840 PRESIDENT & DIRECTOR$0 Same NTEE code T22, revenue within 2x, same state
COLBURN FOUNDATIONCAT22 $19,384,539$24,028,332 EXECUTIVE DIR.$96,609 Same NTEE code T22, revenue within 2x, same state
TORREY COAST FOUNDATIONCAT22 $15,017,451$10,078,289 PRESIDENT$0 Same NTEE code T22, revenue within 2x, same state
VALHALLA FOUNDATIONCAT22 $14,125,198$123,257,382 BOARD CHAIR$0 Same NTEE code T22, revenue within 2x, same state
MERKIN FAMILY FOUNDATIONCAT22 $11,222,341$11,269,010 PRESIDENT$0 Same NTEE code T22, revenue within 2x, same state
WEINGART FOUNDATIONCAT22 $25,893,187$54,890,881 PRESIDENT$586,000 Same NTEE code T22, revenue within 2x, same state
THE@MAURICE MARCIANO FAMILY FOUNDATIONCAT22 $8,662,112$2,807,325 PRESIDENT & DIRECTOR$0 Same NTEE code T22, revenue within 2x, same state
THE JOHN C MITHUN FOUNDATIONCAT22 $10,218,347$3,652,222 SECRETARY$15,000 Same NTEE code T22, revenue within 2x, same state
PAYETTE RIVER FOUNDATIONCAT22 $14,191,405$1,976,430 Director$54,048 Same NTEE code T22, revenue within 2x, same state
SHAH HAPPINESS FOUNDATIONCAT22 $11,009,666$877,493 DIRECTOR AND PRESIDENT$0 Same NTEE code T22, revenue within 2x, same state
ELBAZ FAMILY FOUNDATION TRCAT22 $8,950,586$3,877,403 Trustee$0 Same NTEE code T22, revenue within 2x, same state
ELKHORN SLOUGH FOUNDATIONCAT22 $8,549,320$5,853,417 Executive Director$198,680 Same NTEE code T22, 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
ORANGE COUNTY COMMUNITY FOUNDATION DAF sponsor$74,937,50812 22014–2024 THE PIMCO FOUNDATION; SUN FAMILY FOUNDATION
SNIDER FOUNDATION Private foundation$64,416,5666 22024–2024 CRAIG SNIDER FOUNDATION; LINDY SNIDER FOUNDATION
THE GOLDRICH FAMILY FOUNDATION C/O JONA GOLDRICH Private foundation$33,004,6805 12020–2024 CAYTON-GOLDRICH FAMILY FOUNDATION
THE SUSAN THOMPSON BUFFETT FOUNDATION Private foundation$21,509,84611 12013–2025 HENRY J KAISER FAMILY FOUNDATION
KOHLBERG FOUNDATION INC Private foundation$16,000,0002 12017–2017 KISCO CARES FOUNDATION
GATES FOUNDATION Private foundation$13,392,72810 12018–2024 HENRY J KAISER FAMILY FOUNDATION
SILICON VALLEY COMMUNITY FOUNDATION DAF sponsor$12,646,0007 22018–2024 HENRY J KAISER FAMILY FOUNDATION; ELKHORN SLOUGH FOUNDATION
LAURA AND JOHN ARNOLD FOUNDATION Private foundation$12,346,41127 12020–2024 HENRY J KAISER FAMILY FOUNDATION
FIDELITY INVESTMENTS CHARITABLE GIFT FUND DAF sponsor$10,746,92519 42016–2024 HENRY J KAISER FAMILY FOUNDATION; ELKHORN SLOUGH FOUNDATION; CCF COMMUNITY INITIATIVES FUND; THE PIMCO FOUNDATION
CALIFORNIA COMMUNITY FOUNDATION DAF sponsor$6,281,9958 22011–2023 CCF COMMUNITY INITIATIVES FUND; HENRY J KAISER FAMILY FOUNDATION
CONRAD N HILTON FOUNDATION Private foundation$5,787,00011 22020–2024 CCF COMMUNITY INITIATIVES FUND; HENRY J KAISER FAMILY FOUNDATION
LEONA M & HARRY B HELMSLEY CHARITABLE TRUST Private foundation$5,488,8124 12021–2024 HENRY J KAISER FAMILY FOUNDATION
FORD FOUNDATION Private foundation$4,512,00016 22009–2024 HENRY J KAISER FAMILY FOUNDATION; CCF COMMUNITY INITIATIVES FUND
THE CALIFORNIA ENDOWMENT Private foundation$4,440,17729 22011–2024 CCF COMMUNITY INITIATIVES FUND; HENRY J KAISER FAMILY FOUNDATION
GORDON E AND BETTY I MOORE FOUNDATION Private foundation$4,327,1612 12016–2020 HENRY J KAISER FAMILY 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 · $9,381,572 spent · pay $1,454,574 · grants $6,632,800 · events $1,726
LineAs describedTotalShare
Contributions, gifts, grants paid $6,632,800 70.7%
Other salaries and wages $1,267,639 13.5%
Fees: other professional $520,463 5.5%
Taxes $360,121 3.8%
Occupancy $225,214 2.4%
Pension plans and employee benefits $174,021 1.9%
Other expenses $133,287 1.4%
Fees: accounting $34,552 0.4%
Pay: officers, directors, trustees $12,914 0.1%
Depreciation and depletion $12,441 0.1%
Fees: legal $6,394 0.1%
Travel, conferences and meetings $1,726 0.0%
Total$9,381,572100%

View the filing

2023 · Form 990PF · $9,309,803 spent · pay $1,336,477 · grants $6,867,800 · events $3,611
LineAs describedTotalShare
Contributions, gifts, grants paid $6,867,800 73.8%
Other salaries and wages $1,175,660 12.6%
Fees: other professional $505,549 5.4%
Occupancy $227,779 2.4%
Taxes $179,103 1.9%
Other expenses $143,317 1.5%
Pension plans and employee benefits $139,851 1.5%
Fees: accounting $32,730 0.4%
Pay: officers, directors, trustees $20,966 0.2%
Depreciation and depletion $13,437 0.1%
Travel, conferences and meetings $3,611 0.0%
Total$9,309,803100%

View the filing

2022 · Form 990PF · $9,704,637 spent · pay $1,200,020 · grants $7,537,100 · events $1,795
LineAs describedTotalShare
Contributions, gifts, grants paid $7,537,100 77.7%
Other salaries and wages $983,193 10.1%
Fees: other professional $434,567 4.5%
Occupancy $215,032 2.2%
Taxes $145,778 1.5%
Pension plans and employee benefits $122,433 1.3%
Other expenses $121,068 1.2%
Pay: officers, directors, trustees $94,394 1.0%
Fees: accounting $29,943 0.3%
Depreciation and depletion $14,046 0.1%
Fees: legal $5,288 0.1%
Travel, conferences and meetings $1,795 0.0%
Total$9,704,637100%

View the filing

2021 · Form 990PF · $8,115,894 spent · pay $1,187,446 · grants $5,834,100 · events $747
LineAs describedTotalShare
Contributions, gifts, grants paid $5,834,100 71.9%
Pay: officers, directors, trustees $708,199 8.7%
Fees: other professional $468,612 5.8%
Other salaries and wages $347,531 4.3%
Taxes $230,485 2.8%
Occupancy $207,467 2.6%
Other expenses $132,065 1.6%
Pension plans and employee benefits $131,716 1.6%
Fees: accounting $30,324 0.4%
Depreciation and depletion $22,283 0.3%
Fees: legal $2,365 0.0%
Travel, conferences and meetings $747 0.0%
Total$8,115,894100%

View the filing

2020 · Form 990PF · $7,904,978 spent · pay $1,144,934 · grants $5,919,100 · events $2,136
LineAs describedTotalShare
Contributions, gifts, grants paid $5,919,100 74.9%
Other salaries and wages $611,317 7.7%
Pay: officers, directors, trustees $403,840 5.1%
Fees: other professional $345,635 4.4%
Occupancy $191,559 2.4%
Other expenses $136,326 1.7%
Pension plans and employee benefits $129,777 1.6%
Taxes $118,553 1.5%
Depreciation and depletion $21,921 0.3%
Fees: accounting $18,900 0.2%
Fees: legal $5,914 0.1%
Travel, conferences and meetings $2,136 0.0%
Total$7,904,978100%

View the filing