Steve Deering is a Cisco Fellow and a member of Cisco's
  Advanced Internet Architectures Group, where he is working on
  the  development and standardization of architectural enhancements
  to the Internet Protocol.  He is a member of the Internet
  Architecture Board, a present or past chair of several Working Groups
  of the Internet Engineering Task Force (IETF), the inventor of IP
  Multicast, and the lead designer of the new version of the Internet
  Protocol, IPv6.  He received his Ph.D. from Stanford University.