Frances Haugen is an American product manager, data engineer, scientist, and whistleblower. She disclosed tens of thousands of Facebook’s internal documents to the Securities and Exchange Commission and The Wall Street Journal in 2021. Haugen has also testified before the United States Senate Commerce Committee’s Sub-Committee on Consumer Protection, Product Safety, and Data Security, the Parliament of the United Kingdom, and the European Parliament. In 2023, her memoir, The Power of One: How I Found the Strength to Tell the Truth and Why I Blew the Whistle on Facebook, was published by Little, Brown & Company.