ORG VeriSign, Inc. Title Senior Research Scientist BIO Casey Deccio is a Senior Research Scientist at Verisign Labs. His interests include protocol analysis and improvement and tool development, with the objective of increasing stability, security, and safety of the Internet. Among his research and development focuses are DNSSEC deployment enhancements, DNS ecosystem tools/monitoring, and the measurement, modeling, and analysis of deployed Internet protocols, including DNS/DNSSEC and IPv6. Previously, Casey was a Principal Research and Development Cyber Security Staff member at Sandia National Laboratories, where he had been employed since 2004, and where he was responsible for network-related research and development, including DNSSEC and IPv6 deployment efforts. At Sandia he developed DNSViz (link to http:// dnsviz.net/), the widely used Web-based tool for DNS analysis and visualization. Casey also served as an ICANN Research Fellow supporting the Security and Stability Advisory Committee (SSAC) in 2013. Casey earned B.S. and M.S. degrees in Computer Science from Brigham Young University, in 2002 and 2004, respectively, and received a Ph.D. from UC Davis in 2010, also in Computer Science. His dissertation was a study of dependencies in the DNS, which form a model for quantifying and improving DNS availability through careful deployment practices.