Wikimedia Foundation

The Wikimedia Foundation is a nonprofit organization established in 2003 by Jimmy Wales in St. Petersburg, Florida. Its primary mission is to empower people worldwide to create and share educational content freely. The Foundation supports a range of collaborative projects, including Wikipedia, Wikibooks, Wikidata, and Wikimedia Commons, among others. It manages the technical infrastructure and legal framework necessary for these projects and develops the MediaWiki software that powers them. In addition to maintaining these platforms, the Wikimedia Foundation provides grants to support community initiatives and events that promote free knowledge. It has awarded over $9 million in grants to various projects and actively fosters a diverse community of over 220,000 contributors across 170 countries. The Foundation also engages in advocacy related to copyright and press freedom, collaborating with various organizations to further its goals. Additionally, it operates a merchandise store, with proceeds supporting its mission and recognizing the contributions of volunteers.

Information Technology & Services San Francisco, United States Founded 2003 ~647 employees

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Employees
647
+0.9% in the 3 months to Jun 2025
Revenue / employee
$287K
Revenue ~$185M
12-month attrition
9.4%
Tech: 10%
H1B filings, FY2026
2
Sponsors visas
Open jobs
3
Last 30 days

Headcount trend

Wikimedia Foundation went from 613 employees in Jul 2023 to 647 in Jun 2025. Jan to Jun 2025: 28 people joined, 17 left.

Headcount data through Jun 2025

Org structure

Headcount by department

Other395
Engineering122
Operations41
Marketing34
Product12
Finance11
HR11
Design11

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Salaries at Wikimedia Foundation

All salaries

15 salary profiles in the US

Most reported roles

Pay by level, gender and ethnicity

H-1B sponsorship

H-1B Sponsorship Limited
H-1B Filings by Department
Engineering3
Design1
Legal1
Finance1

The department split adds up all the years listed above. FY2026 alone: 2 filings.

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Wikimedia Foundation FAQ

How many employees does Wikimedia Foundation have?

Wikimedia Foundation has about 647 employees, up 0.9% over the 3 months to Jun 2025.

Does Wikimedia Foundation sponsor H1B visas?

Yes. Wikimedia Foundation filed 2 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.

What is Wikimedia Foundation's revenue per employee?

Wikimedia Foundation makes about $287K in revenue per employee, based on $185.38M annual revenue and 647 employees.

How much does Wikimedia Foundation pay?

6figr has 15 salary profiles for Wikimedia Foundation in the US, with pay broken down by role, level, gender and ethnicity on the Wikimedia Foundation salaries page. See Wikimedia Foundation salaries

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.