Frances Haugen is an American data scientist and technology whistleblower best known for exposing internal research from Facebook in 2021. A former product manager at the company, she disclosed thousands of documents showing how the platform’s algorithms could amplify misinformation, political polarization and harm to young users. Her testimony before the United States Congress and other governments made her a central figure in global debates about social media regulation and corporate accountability.

Haugen has continued to campaign for stronger oversight of technology companies and greater transparency in platform design. She has advised policymakers and spoken internationally on online safety, algorithmic accountability and the governance of large technology platforms.