Chief Scientist, Nominum, Inc.Inventor of the DNS. Chief Scientist and Chairman of the Board at Nominum, Inc. Paul Mockapetris created DNS in the 1980s at USC’s Information Sciences Institute, where he was later the Director of ISI’s High Performance Computing and Communications Division. Mockapetris has been associated with the IETF since its creation, chaired several DNS and non-DNS working groups, and was Chair of the IETF from 1994 to 1996. He was program manager for networking at ARPA in the early 1990s, supervising efforts such as gigabit and optical networking. From 1995 on, He held leadership roles at several networking startups, including @Home, Software.com, Fiberlane, and Siara. He has dual B.S. degrees in Physics and Electrical Engineering from MIT, and a Ph.D. in Information and Computer Science from UC, Irvine.