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Hollaback! offers people all over the world a platform to share their stories of sexual harassment and is working to develop a world where harassment is not tolerated and where everyone enjoys equal access to public spaces.

Founded: 2005 by Emily May

  • Program Area

    Health & Healthcare, Human Rights
  • Location of Impact

  • Headquarters Location

    New York, New York, United States
  • Product Platforms

    Web, Mobile Apps
  • Budget

    $0 to $500,000
  • Founder Demographics


Hollaback! is a more than a nonprofit organization—it’s a movement. With an international, decentralized model that inspires local activists to make change in their communities, Hollaback! has sites in 49 cities and 25 countries. In each different community, site leaders lead debates, participate in grassroots activism, collect stories, and speak to government officials to enact change. The Hollaback! app is available in 14 languages and allows people around the world to report data of sexual harassment. In addition to the option to share one's story, the app includes a Map, where one sees incidents of harassment mapped in pink dots, and incidents of bystander intervention mapped in green dots. There is also a resources section, where one can learn more about how to respond to harassment and be a better bystander.