A co-founder and former Chief Technology Officer of Extreme Networks, Haddock has 25 years of experience in networking equipment design, project leadership and engineering management. He has developed products based on technologies including Ethernet, FDDI and ATM, as well as switching/routing architectures and client and server adapters. Within the IEEE Haddock is currently chair of the 802.1 Interworking Task Group, and has held positions of co-chair, editor, and co-editor on projects including 802.3z Gigabit Ethernet, 802.3ae 10 Gigabit Ethernet, 802.3ad Link Aggregation, 802.1ad Provider Bridging, and 802.1ah Provider Backbone Bridging. Prior to Extreme Networks, Haddock was chief engineer at Network Peripherals and held various engineering and project management positions at Sun Microsystems and Hewlett-Packard. He holds an MSEE and a BSME from Stanford University.