Dave is Chief Architect at Cisco Systems responsible for architectural governance, defining strategy, development of new technology and leading use-inspired research. Working via tight partnerships with customers, partners, developers and academia he is also leading co-development and co-innovation initiatives. He has been the Routing Area Director at the IETF and chair of four Working Groups: IS-IS, HIP, BFD, and Softwires, and worked with the ITU-T, ONF and several Open Source consortia. David was also a Juniper Fellow and Chief Architect working on the operating system and next-generation routing systems. Dave has a small vineyard in the Santa Cruz Mountains and an heirloom tomato farm along the St. Croix River in Somerset, Wisconsin.