The 990 read · EIN 20-0049703 · CA · Fiscal year FY ending Jun 2025

Wikimedia Foundation

In its own words

“Wikimedia fdn supports wikipedia and its sister projects, for more)and the wikimedia community to help the world share in free knowledge.”

Data only Figures straight from the filing, screened by our rules. Not yet reviewed in depth by a CPA.

Methodology by Amir Arani, CPA, CA · Updated November 7, 2026

Top pay: $531K Maryana Iskander, 0.3% of spending
Revenue: $205.4M 91.3% from donations and grants
Spent: $189.7M 77.1% on programs, as reported
Net assets: $296.6M end of FY ending Jun 2025
Savings: 18.8 months of spending, net assets ÷ spending
People: 394 employees, 265,188 volunteers

Form 990 (FY ending Jun 2025), Parts I, VII, IX, X

01 · Red flags

No red flags in its latest filing.

We screen every filing against twelve rules. A flag is a prompt for a closer look, not a finding of wrongdoing.

No reported asset diversions, no insider transactions, no fundraisers keeping most of the money, and the governance policies we check for are in place.

02 · Where $1 goes · FY ending Jun 2025

Of each dollar it spent, 77.1¢ went to programs, as reported.

The split the charity filed.

77.1¢

Programs, $146.3M

11.5¢

Fundraising, $21.8M

11.4¢

Admin, $21.6M

Form 990 (FY ending Jun 2025), Part IX, line 25

Cost to raise $1

12¢

as reported

For each dollar donated, Wikimedia Foundation spent 12¢ on fundraising.

Fundraising ÷ $187.6M contributions · Form 990 Parts VIII, IX

03 · What it does

What it told the IRS it spent on.

The charity's own description of its largest programs, with what each cost.

Program 1 · 41.3% of program spending · $29.0M in grants $60.4M

Support for volunteers: the wikimedia foundation support for volunteers focuses on sustaining and growing the wikimedia projects and contributor communities around the world. Grantmaking provides funding to wikimedia affiliate organizations, as well as other mission-aligned organizations and individuals for programmatic work that advances wikimedia's free knowledge mission. Other activities include partnerships to position wikimedia as a key player in the free knowledge ecosystem, trust and safety to protect online contributor communities, legal and advocacy to raise awareness about and…

Form 990 (FY ending Jun 2025), Part III

04 · The savings

Net assets: $45.2M to $296.6M in 11 years.

Net assets at each fiscal year end, 2013 to 2025.

Net assets at year end, $ millions

113

135

166

180

231

239

255

297

Form 990 history via ProPublica Form 990 (FY ending Jun 2025)

05 · Who gets paid

The 8 highest-paid people.

Reportable pay in FY ending Jun 2025, from the charity and related organizations.

Maryana Iskander

Chief Executive Officer

$530,923

Selena Deckelmann

Chief Prod & Tech Officer

$475,965

Jaime Villagomez

CFO & Treasurer

$416,641

Lisa Seitz

Chief Adv Officer

$410,807

Courtney Bass Sherizen

Chief People Officer

$401,190

Stephen Laporte

Gen Counsel & Secretary

$376,705

Anusha Alikhan

Chief Communications Officer

$351,306

Tajh Taylor

VP of Data Science & Engineering

$341,090

Form 990 (FY ending Jun 2025), Part VII, Section A

Largest outside contractors

Contractor	Service	Paid
Jones Day	Legal services	$1,716,638
Trilegal	Legal services	$612,766
Jamaedge Group Inc Dba Proticom	Engineering services	$426,692
Teamcraft Consulting	Consulting services	$371,168
Minassian Media	Consulting services	$333,146

Form 990 (FY ending Jun 2025), Part VII, Section B

06 · Questions

The questions people ask about the Wikimedia Foundation.

Short, sourced answers. Each one stands on its own.

How much does the Wikimedia Foundation CEO make?

Maryana Iskander, Chief Executive Officer, received $530,923 in reportable compensation in FY ending Jun 2025, 0.3% of Wikimedia Foundation's $189.7M in spending.

Form 990 (FY ending Jun 2025), Part VII

What percentage of Wikimedia Foundation donations go to programs?

Wikimedia Foundation reported 77.1% of FY ending Jun 2025 spending as programs, 11.5% as fundraising and 11.4% as management.

Form 990 (FY ending Jun 2025), Part IX

How much money does Wikimedia Foundation have?

Net assets were $296.6M at the end of FY ending Jun 2025, about 18.8 months of spending.

Form 990 (FY ending Jun 2025), Part X

Does Wikimedia Foundation have any red flags in its filing?

Its latest Form 990 triggered none of our twelve screening rules, which cover reported asset diversions, insider transactions, fundraiser costs, governance policies and spending patterns.

Form 990 (FY ending Jun 2025)

07 · Sources and citing

Every number, traced.

Cite this page

Amir Arani, “Wikimedia Foundation: CEO salary, finances and where your dollar goes,” Charity Math, updated 2026-11-07. https://charitymath.com/charities/wikimedia-foundation/