Mozilla Foundation
Mozilla Foundation reported $37.2 million in revenue and $41.2 million in expenses for calendar year 2024. Of every $100 it spent, $66.43 went to program services, $26.16 to management and general costs and $7.41 to fundraising. Its largest source of revenue was program service revenue such as fees, sales and contracts: 64.3% of the total. The highest compensation it reported for one person was $6,134,165 (PAID ONLY BY A RELATED FOR-PROFIT). 65 people received more than $100,000 in reportable compensation. Revenue rose 31% between 2019 and 2024. Source: Form 990, 2024.
Where $100 of spending went
Calendar year 2024 · Form 990, Part IX, line 25 · total expenses $41MFor context, the median across 192 covered science & technology charities: $84.33 programs, $15.67 management, $0.00 fundraising (medians computed separately, so they may not sum to $100).
Where $100 of revenue came from
Calendar year 2024 · Form 990, Part VIII · total revenue $37M- Contributions & grants (non-government)$16.22 $6.0M
- Government grants$1.26 $469K
- Program service revenue$64.14 $24M
- Investment income$18.38 $6.8M
Other revenue was negative: −$93,567. The bar shows the positive sources only.
The 990 scorecard · same measures for every charity, no grades
| Measure | 2024 | Median |
|---|---|---|
| Program services Part IX 25(B) ÷ 25(A) | 66.4% | 83.2% |
| Management & general Part IX 25(C) ÷ 25(A) | 26.2% | 15.5% |
| Fundraising Part IX 25(D) ÷ 25(A) | 7.4% | 0.0% |
| Fundraising cost per $1 of contributions Part IX 25(D) ÷ Part VIII 1h | $0.47 | $0.00 |
| Contributions & grants share of revenue Part VIII 1h ÷ 12 | 17.5% | 51.6% |
| Government grants share of revenue Part VIII 1e ÷ 12 | 1.3% | 3.2% |
| Program service revenue share Part VIII 2g ÷ 12 | 64.3% | 19.2% |
| Highest reported compensation Part VII-A, columns D–F | $6,134,165 | $513,729 |
| Highest compensation as share of expenses Part VII-A ÷ Part IX 25(A) | 14.89% | 1.72% |
| People paid over $100,000 Part VII, line 2 | 65 | 27 |
| Net assets, in months of expenses Part X 33(B) ÷ monthly expenses | 34.2 | 14.7 |
| Independent voting board members Part VI 1a–1b | 8 of 10 | 94.3% |
A median is context, not a target: hospitals, universities, food banks and grantmakers spend in very different ways. What these measures can and can't tell you.
What the money paid for, in its own words
2024 · Form 990, Part III · the three largest programs by expenseAgenda setting mozilla researches issues at the intersection of technology and society and then propels them into the public conversation. In 2024, mozilla provided research, commentary, and analysis on topics like openness in ai, the environmental impacts of ai, protecting consumer privacy, and upholding online information integrity on major platforms. In 2024, mozilla spent $750,102 to support its agenda-setting work
Leadership development mozilla supports people and projects making ai more trustworthy and the internet healthier. In 2024, mozilla welcomed several new fellows and awardees working at the intersection of ai and climate justice, public policy, ethics, art, and a range of other topics. In 2024, mozilla spent $10,984,792 to support its leadership development work
Movement building mozilla fuels the movement for a better internet, building bridges between digital rights activists, open-source champions, and other communities. In 2024, mozilla published our * privacy not included guide with a focus on privacy in dating apps, as well as ai chatbots, published a range of petitions and open letters about platform transparency, and held signature mozfest convenings in the netherlands and zambia. In 2024, mozilla spent $15,633,446 to support its movement-building work
Highest reported compensation
2024 · Form 990, Part VII, Section A · roles as filed; names are in the filing, not here| Role | From this org | From related orgs | Other | Total |
|---|---|---|---|---|
| PAID ONLY BY A RELATED FOR-PROFIT Director/trustee, 1.00 hrs/week | $0 | $6,098,858 | $35,307 | $6,134,165 |
| PRESIDENT, DIRECTOR Director/trustee, officer, 40.00 hrs/week | $610,704 | $0 | $47,754 | $658,458 |
| SVP, GLOBAL PROGRAMS Key employee, 40.00 hrs/week | $434,746 | $0 | $82,621 | $517,367 |
| COO, SECRETARY & TREASURER Officer, 40.00 hrs/week | $363,756 | $0 | $28,339 | $392,095 |
| SVP, GLOBAL ADVOCACY Key employee, 40.00 hrs/week | $309,984 | $0 | $73,123 | $383,107 |
| DIR., ORGANIZATIONAL EFFECTIVENESS Highest compensated employee, 40.00 hrs/week | $281,271 | $0 | $72,952 | $354,223 |
| EXECUTIVE DIRECTOR (BEG 04/2024) Officer, 40.00 hrs/week | $310,566 | $0 | $29,075 | $339,641 |
| SR. LEAD, PARTNERSHIPS + FUNDRAISING Highest compensated employee, 40.00 hrs/week | $260,056 | $0 | $52,766 | $312,822 |
65 people received more than $100,000 in reportable compensation from Mozilla Foundation (Part VII, line 2). Compensation of current officers, directors and key employees totaled $3.3M (Part IX, line 5).
6 years of filings
Form 990, Parts I, VII, IX and X · each row is that year's own filing, linkedGovernance answers, as filed
2024 · the organization's own yes/no answers; explanations, if any, are in Schedule O of the filing · what each means- Voting board members, and how many are independent Part VI, lines 1a–1b10 · 8 independent
- Audited financial statements Part XII 2bYes
- Conflict-of-interest policy Part VI 12aYes
- Whistleblower policy Part VI 13Yes
- Document retention policy Part VI 14Yes
- Independent process for top executive pay Part VI 15aYes
- Board given the 990 before filing Part VI 11aYes
- Family or business ties among insiders Part VI 2No
- Aware of a significant diversion of assets Part VI 5No
- Excess benefit transaction with an insider Part IV 25aNo
- Loans to or from insiders outstanding Part IV 26No
- Lobbying, or a 501(h) election in effect Part IV 4Yes
- Over $15,000 of professional fundraising services Part IV 18No
- Over $10,000 of activity outside the U.S. Part IV 14bYes
- Employees Part I, line 573
- Volunteers Part I, line 610,000
Largest outside contractors
2024 · Form 990, Part VII, Section B · businesses only| MISSION NORTH INC Strategic communications | $1,357,688 |
| MAUVE CORPORATE SYSTEMS Contract employees | $1,040,250 |
| AYAB INC Technical strategy and management | $809,859 |
| BEE AGENCY BV Event management services | $520,759 |
| RSM US LLP Accounting and financial management | $507,101 |
Individuals listed as contractors are left out. 32 contractors were paid more than $100,000 in all.
Private foundation grants it received
23 private foundations reported grants to Mozilla Foundation totaling $3.8M on their tax year 2023 Form 990-PF returns. See which foundations, on WHOFUNDS.
Source: WHOFUNDS open grant graph, matched from Form 990-PF Part XV.
Correct a figure or respond
Every number above is copied from Mozilla Foundation's own Form 990. If one doesn't match the filing, that's our error and we'll fix it. If you work for Mozilla Foundation, you can publish a response that is linked from this page.
Share or embed this breakdown
Of every $100 Mozilla Foundation spent in 2024, $66.43 went to programs. The full breakdown, from its IRS Form 990:
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Similar-sized charities in this cause
- Virginia Innovation Partnership CorporationHerndon, VA · revenue $34M · programs 78.3% · FY2025
- IcipeKenya, · revenue $39M · programs 0.0% · 2025
- Marine Environmental Sciences ConsortiumDauphin Island, AL · revenue $34M · programs 89.6% · FY2025
- American Mathematical SocietyProvidence, RI · revenue $40M · programs 85.9% · 2024
- Florida Institute for Human and Machine CognitionPensacola, FL · revenue $33M · programs 75.7% · FY2025
All science & technology charities · Largest charities in California
Questions people ask
How much of Mozilla Foundation's spending goes to programs?
In calendar year 2024, Mozilla Foundation reported that 66.4% of its $41.2 million in expenses went to program services, 26.2% to management and general and 7.4% to fundraising (Form 990, Part IX).
How much does Mozilla Foundation pay its top executive?
The largest total compensation Mozilla Foundation reported for one person in calendar year 2024 was $6,134,165, for the role of PAID ONLY BY A RELATED FOR-PROFIT (Form 990, Part VII, including compensation from related organizations and other compensation).
Where does Mozilla Foundation get its money?
Of $37.2 million in revenue in calendar year 2024, 17.5% came from contributions and grants (including 1.3% from government grants) and 64.3% from program service revenue (Form 990, Part VIII).
Is Mozilla Foundation a registered charity?
The IRS lists EIN 20-0097189 as a 501(c)(3) organization (publicly supported organization (170(b)(1)(a)(vi))), and its records show contributions as tax-deductible. Form 990 filings on record here cover tax years 2019, 2020, 2021, 2022, 2023, 2024. A filing shows what the organization reported; it doesn't by itself show whether a program works.
Sources
- 2024: Form 990 for calendar year 2024, object 202543219349326304 · read the filing · XML
- 2023: Form 990 for calendar year 2023, object 202443209349319444 · read the filing
- 2022: Form 990 for calendar year 2022, object 202313199349323576 · read the filing
- 2021: Form 990 for calendar year 2021, object 202203199349300105 · read the filing
- 2020: Form 990 for calendar year 2020, object 202103199349300710 · read the filing
- 2019: Form 990 for calendar year 2019, object 202043219349308039 · read the filing
All filings for EIN 20-0097189: ProPublica Nonprofit Explorer · IRS Tax Exempt Organization Search. Figures are as the organization reported them; we have not audited them.