She has been a member of the Executive Committee of the U.S. Public Policy Committee of ACM (USACM) for over 10 years. She co-chairs USACM's working group on algorithmic accountability and helped coauthor the USACM Statement on Algorithmic Transparency and Accountability. Matthews served as chair of the ACM Special Interest Group on Operating systems (SIGOPS). Her research interests include the intersection of virtualization, cloud computing and security. She received her Ph.D. in Computer Science from the University of California at Berkeley.