Stuart S. Shapiro is the Chair of the U.S. Public Policy Council of the Association for Computing Machinery (USACM). USACM is the focal point for ACM's interaction with US government organizations, the computing community, and the public in all matters of US public policy related to computing and information technology. He is a Principal Cyber Security and Privacy Engineer at The MITRE Corporation. Shapiro has engaged in a wide range of security and privacy work, including critical infrastructure protection, policy frameworks, risk and control assessment, and incident response. He has led multiple research and operational efforts in the areas of privacy engineering, privacy risk management, and privacy enhancing technologies (PETs). He has written and presented on these topics in numerous forums. Shapiro holds a BS in Computer Science from Northwestern University, an MSc in Computing from the Open University (UK), and a PhD in Applied History and Social Sciences from Carnegie Mellon University. He is a Certified Information Privacy Professional with US commercial and government specializations (CIPP/US, CIPP/G).