Libby Weingarten is a partner in the Washington, D.C., office of Wilson Sonsini Goodrich & Rosati, where she advises companies on a broad range of U.S. and international privacy, consumer protection, and data security issues. She has extensive experience defending major corporations facing investigations by the FTC and other federal and state regulators. She has defended retailers, software companies, advertising technology companies, mobile app developers, and ed-tech companies against regulatory investigations into privacy and data security practices, and she has assisted them in conducting internal investigations in high-profile data security breaches.