Bill Woodcock is the executive director of Packet Clearing House, the international non-governmental organization that builds and supports critical Internet infrastructure, including Internet exchange points and the core of the domain name system. Since entering the Internet industry in 1985, Bill has helped establish more than two hundred Internet exchange points. In 1989, Bill developed the anycast routing technique that now protects the domain name system. In 1998, he was one of the principal drivers of California 17538.4, the world's first anti-spam legislation. Bill was principal author of the Multicast DNS and Operator Requirements of Infrastructure Management Methods IETF drafts. In 2002, he co-founded INOC-DBA, the security-coordination hotline system that interconnects the network operations centers of more than three thousand ISPs around the world. And in 2007, Bill was one of the two international liaisons deployed by NSP-Sec to the Estonian CERT during the Russian cyber-attack. In 2011, Bill authored the first survey of Internet interconnection agreements, as input to the OECD's analysis of the Internet economy. Now, Bill's work focuses principally on the security and economic stability of critical Internet infrastructure.