Nonprofit · EIN 45-5002209
CHAN ZUCKERBERG INITIATIVE FOUNDATION
Tax-exempt · PALO ALTO, CA 94301
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990-PF | $1,494,476,554 | $323,025,697 | $1,171,450,857 | $7,499,068,854 | $486,083,497 | $7,012,985,357 |
| December 31, 2023 | 990-PF | $234,504,001 | $127,622,894 | $106,881,107 | $6,319,675,100 | $609,741,065 | $5,709,934,035 |
Financial details: 990-PF for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $690,457,560
- Dividends
- $61,701,638
- Net gain from sales of assets
- $694,204,812
- Other income
- $48,112,544
Expenses
- Grants and similar amounts paid
- $166,070,038
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $87,353,832
- Disbursements for charitable purposes
- $388,673,507
- Excise tax on investment income
- $16,816,683
Balance sheet and other
- Total assets, start of year
- $6,319,675,100
- Total assets, end of year
- $7,499,068,854
- Total liabilities, end of year
- $486,083,497
- Net assets, end of year
- $7,012,985,357
- Fair market value of assets
- $7,499,068,854
- Qualifying distributions
- $391,740,902
- Net investment income
- $1,276,463,182
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-PF for the year ended December 31, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| THEOFANIS KARALETSOS 314 LYTTON AVE, PALO ALTO, CA 94301 | SENIOR DIRECTOR, AI Highest-paid employee | 40 | $961,028 | $56,503 |
| SCOTT FRASER 314 LYTTON AVE, PALO ALTO, CA 94301 | VICE PRESIDENT, SCIE Highest-paid employee | 40 | $691,824 | $61,307 |
| TANIA SIMONCELLI 314 LYTTON AVE, PALO ALTO, CA 94301 | VICE PRESIDENT, SCIE Highest-paid employee | 40 | $634,784 | $54,315 |
| STEPHANI OTTE 314 LYTTON AVE, PALO ALTO, CA 94301 | SR SCIENCE PROGRAM O Highest-paid employee | 40 | $622,343 | $56,306 |
| KATJA BROSE 314 LYTTON AVE, PALO ALTO, CA 94301 | SENIOR SCIENCE PROGR Highest-paid employee | 40 | $614,165 | $54,315 |
| MARK ZUCKERBERG 314 LYTTON AVE, PALO ALTO, CA 94301 | TRUSTEE | 1 | $0 | $0 |
| LIZ CASTELLANOS 314 LYTTON AVE, PALO ALTO, CA 94301 | FINANCE OFFICER (AS OF 9/13/24) | 1 | $0 | $0 |
| KIMBERLY NEUFELD 314 LYTTON AVE, PALO ALTO, CA 94301 | FINANCE OFFICER (AS OF 9/13/24) | 1 | $0 | $0 |
| BRIAN MANCA 314 LYTTON AVE, PALO ALTO, CA 94301 | FINANCE OFFICER (THRU 9/13/24) | 1 | $0 | $0 |
990-PF for the year ended December 31, 2023: 13 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| ROBERT BROWN 314 LYTTON AVE, PALO ALTO, CA 94301 | DIRECTOR, ENGINEERIN Highest-paid employee | 40 | $654,428 | $60,086 |
| TANIA SIMONCELLI 314 LYTTON AVE, PALO ALTO, CA 94301 | VICE PRESIDENT, SCIE Highest-paid employee | 40 | $611,692 | $50,560 |
| KATJA BROSE 314 LYTTON AVE, PALO ALTO, CA 94301 | SENIOR SCIENCE PROGR Highest-paid employee | 40 | $600,207 | $50,560 |
| STEPHANI OTTE 314 LYTTON AVE, PALO ALTO, CA 94301 | SCIENCE PROGRAM OFFI Highest-paid employee | 40 | $574,521 | $55,292 |
| JONAH COOL 314 LYTTON AVE, PALO ALTO, CA 94301 | SCIENCE PROGRAM OFFI Highest-paid employee | 40 | $555,684 | $33,108 |
| MARK ZUCKERBERG 314 LYTTON AVE, PALO ALTO, CA 94301 | TRUSTEE | 1 | $0 | $0 |
| BRIAN MANCA 314 LYTTON AVE, PALO ALTO, CA 94301 | FINANCE OFFICER | 1 | $0 | $0 |
| MATTHIAS HAURY 314 LYTTON AVE, PALO ALTO, CA 94301 | COO AND ACTING ED, CZII | 40 | $0 | $0 |
| VICTOR COLUNGA 314 LYTTON AVE, PALO ALTO, CA 94301 | INTERIM TREASURER AND CFO, CZII | 1 | $0 | $0 |
| LEXI PEACOCK 314 LYTTON AVE, PALO ALTO, CA 94301 | SECRETARY, CZII | 1 | $0 | $0 |
| STEPHANIE OTTE 314 LYTTON AVE, PALO ALTO, CA 94301 | DIRECTOR, CZII | 10 | $0 | $0 |
| PHIL SMOOT 314 LYTTON AVE, PALO ALTO, CA 94301 | DIRECTOR, CZII | 1 | $0 | $0 |
| MARC MALANDRO 314 LYTTON AVE, PALO ALTO, CA 94301 | DIRECTOR, CZII | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 314 LYTTON AVE, PALO ALTO, CA 94301-1430
- In care of
- % APERCEN PARTNERS LLC
- Signed the 990-PF
- BEN ROH, FINANCE OFFICER
- Phone
- (650) 804-7100
- Return prepared by
- KPMG LLP
California records
California keeps its own records of charities and corporations. Search them by EIN 45-5002209 or by the name CHAN ZUCKERBERG INITIATIVE FOUNDATION.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | Not on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-PF on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-PF on file |
IRS record
- EIN
- 45-5002209
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private non-operating foundation
- Donations deductible (Pub 78)
- Private foundation, 30% limit
- Exempt since
- 2012
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T20)
- Assets (IRS master file)
- $7,499,068,854
- Income (IRS master file)
- $3,164,879,246
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2024 | $1,494,476,554 | $323,025,697 | $7,499,068,854 | XML |
| 990-T | December 2024 | – | – | – | IRS |
| 990-PF | December 2023 | $234,504,001 | $127,622,894 | $6,319,675,100 | XML |
| 990-T | December 2023 | – | – | – | IRS |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-T | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-T | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-T | December 2020 | – | – | – | IRS |
| 990-PF | December 2018 | – | – | – | IRS |
| 990-PF | December 2017 | – | – | – | 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 45-5002209).
Questions about CHAN ZUCKERBERG INITIATIVE FOUNDATION
- What is the EIN of CHAN ZUCKERBERG INITIATIVE FOUNDATION?
- The employer identification number (EIN) of CHAN ZUCKERBERG INITIATIVE FOUNDATION is 45-5002209.
- Is CHAN ZUCKERBERG INITIATIVE FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2012.
- Are donations to CHAN ZUCKERBERG INITIATIVE FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does CHAN ZUCKERBERG INITIATIVE FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of CHAN ZUCKERBERG INITIATIVE FOUNDATION due?
- The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did CHAN ZUCKERBERG INITIATIVE FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2024.
- Who are the officers and directors of CHAN ZUCKERBERG INITIATIVE FOUNDATION?
- The 990-PF for the year ended December 31, 2024 lists 9 people; 5 received compensation from the organization, the highest $961,028 (THEOFANIS KARALETSOS, SENIOR DIRECTOR, AI).
- How much revenue does CHAN ZUCKERBERG INITIATIVE FOUNDATION have?
- On its 990-PF for the year ended December 31, 2024 it reported revenue of $1,494,476,554, expenses of $323,025,697 and total assets of $7,499,068,854 at year end.
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