Deirdre K. Mulligan serves as Principal Deputy U.S. Chief Technology Officer at the White House Office of Science and Technology Policy. In this role, Mulligan leads the Tech Division within OSTP, working to ensure that digital technologies benefit all Americans and advance democratic values. Mulligan is a Professor at the School of Information at UC Berkeley and a Faculty Director of the Berkeley Center for Law & Technology. Her research focuses on protecting values including privacy, equity, and freedom of expression in sociotechnical systems. Prior to joining the School of Information, Mulligan was the first Director of the Samuelson Law and Technology Clinic and a Clinical Professor at UC Berkeley School of Law. She is a founding board member of the Partnership on AI, a founding member of the Global Network Initiative, and a former Commissioner on the Oakland Privacy Advisory Commission. She helped start the Center for Democracy and Technology, where she worked on key tech policy issues during the emergence of the commercial internet.