Wikimedia Foundation Email Format

Software DevelopmentCalifornia, United States1001-5000 Employees

The Wikimedia Foundation is a nonprofit organization that operates Wikipedia and the broader Wikimedia free knowledge projects. It maintains the technology infrastructure that supports billions of visits to Wikipedia each month. Since 2003, it has supported hundreds of thousands of volunteer editors by providing up-to-date tools, ensuring fast, secure, and private access to the platform, and developing new technologies to meet the needs of readers and editors.

The foundation also funds individuals and organizations worldwide to expand knowledge on Wikipedia and engages in legal and advocacy work to defend open access to information. As a charitable, not-for-profit entity, it relies on donations from millions of individuals and institutional grants and gifts, and it operates as a United States 501(c)(3) tax-exempt organization with offices in San Francisco, California. In December 2025, the organization announced the appointment of Bernadette Meehan as chief executive officer.

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