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Wikimedia Foundation
  • We are the non-profit organization behind Wikipedia and 13 other free knowledge projects.

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  • From technology to advocacy efforts, we provide the backbone of knowledge online.

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    Wikimedia projects

    Learn more about Wikipedia and
    the other free knowledge projects
    we host.

    Technology

    Explore the technology products we design and maintain to power knowledge worldwide.

    Public policy

    Read about our advocacy efforts to safeguard free knowledge.

    Closing knowledge gaps

    Discover how we are working to ensure all the world’s knowledge is reflected on Wikipedia.

    Volunteer safety

    Learn how we work to keep volunteers safe while they support our mission.

  • Our projects are made by humans. The more people take part, the better the internet's knowledge gets.

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    Donate to help keep Wikipedia free and accessible.

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    From editing to organizing, find out how you can get involved.

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    Advocate

    Help us protect Wikipedia and the people who make it possible.

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  • Now more than ever, people need access to information they can trust. Stay up to date on our efforts to maintain free knowledge.

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    • Ahead of UN General Assembly, Wikipedia nonprofit calls on governments to ensure the future internet is shaped by communities for the public interest
      Advocacy, Events, Wikimedia Foundation

      Ahead of UN General Assembly, Wikipedia nonprofit calls on governments to ensure the future internet is shaped by communities for the public interest

    • Wikimania 2024 in Poland celebrates global volunteers who make Wikipedia and sister projects possible
      Events, Wikimania

      Wikimania 2024 in Poland celebrates global volunteers who make Wikipedia and sister projects possible

    • Wikimedia Foundation calls on US Supreme Court to strike laws that threaten Wikipedia
      Legal, United States, Wikimedia Foundation

      Wikimedia Foundation calls on US Supreme Court to strike laws that threaten Wikipedia

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Staff and Contractors

Margo Lee

Deputy Chief of Staff, Office of the Chief Executive Officer

Wikimedia Foundation offices - camera shy photo
Profile on Meta-Wiki

Photo credits

Wikimedia United Nations General Assembly 2024 Hero Image File provided by Wikimedia Commons

Wikimedia Foundation

CC BY-SA 4.0

Wikimania Katowice 2024 Bird Header

Wikimedia Foundation

CC BY-SA 4.0

US Supreme Court File provided by Wikimedia Commons

Jarek Tuszyński

CC BY-SA 3.0

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