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Bloomberg Philanthropies: Mayor Challenge

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    Funder Type

    Private Foundation

    IT Classification

    B - Readily funds technology as part of an award


    Bloomberg Philanthropies


    The Mayors Challenge, sponsored by Bloomberg Philanthropies, is designed to help hundreds of cities develop ideas that solve the most urgent problems facing cities today. The five cities with the best ideas will receive millions to implement their ideas at scale. In addition, innovation experts will visit each of the first 300 cities that sign up for the Challenge to deliver one-day city hall training workshops to accelerate idea development by drawing upon the expertise of the community.

    All entrants will receive expert guidance to develop their ideas and will join Bloombergs cities network, which promotes innovations that work across cities.


    History of Funding

    A newsfeed of 2018 Champion Cities is available to view at:

    Additional Information

    Each city can submit only one application, representing a single idea that addresses a specific problem.  Bloomberg strongly encourages every city to use the Mayors Challenge to help city leaders think big, be bold, and uncover new or unexpected and ultimately, shareable ideas that tackle todays most urgent problems. Successful ideas might, among other things, reimagine or drastically improve how cities delivers services, create efficiencies, or improve citizen engagement. Innovation is no longer optional.


    Bloomberg Philanthropies Staff

    Bloomberg Philanthropies Staff
    909 3rd Ave., 16th Fl.
    New York, NY 10022-4797
    (212) 205-0100

  • Eligibility Details

    Eligible applicants are US cities with more than 30,000 residents.

    Deadline Details

    Interested applicants are encouraged to contact the foundation to learn more about in-person Idea Accelerator workshops, which are designed to help city leaders strengthen idea development by drawing upon the expertise of the community.

    Award Details

    In 2018, thirty-five champion cities were awarded $100,000 each to test their ideas and build local support. Similar funding levels are anticipated annually.

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