Hit Parade: 15 Notable Cisco Executive Departures

David Knight

Another hit for Cisco's collaboration team: David Knight, most recently CTO of Cisco's Collaboration Software Group, left Cisco this spring. In June, he was confirmed as the new executive vice president of product management and marketing at Proofpoint, a specialist in SaaS security.


Get a roundup of CRN's networking coverage right to your inbox with the CRN Networking newsletter.