Bill Cerveny is a Principal Software Quality Assurance Engineer at NETSCOUT (formerly Arbor Networks), where he tests IPv6 and other network functionality in products. Bill has been active with IPv6 since 2001, having coordinated and instructed in more than 25 IPv6 engineering workshops, overseen IPv6-related activities on a nationwide US research and education network, and assisted with IPv6 transition activities for a US government agency. He also serves as co-chair of the IETF Internet Protocol Performance Metrics (IPPM) working group. Previously, Bill worked in network engineering roles at Internet2, Advanced Network and Services and AT&T Network Services/Bell Labs. Bill holds a M.S. in Telecommunications Systems from DePaul University and a B.A. in Telecommunication Systems from Purdue University.