CTO & Head of AI, Five9

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Pioneer in the telecommunications industry with 25 years of experience. Co-inventor of SIP and related technologies (ICE, STUN, SIMPLE, SDP), many of which are now the foundation of all modern telecommunications. Shipped many of the industry's first products - first SIP stack, first SIP proxy, first Session Border Controller (SBC), first SIP application server, first Internet Multimedia Subsystem (IMS) network. Current CTO and Head of AI for Five9, previously CTO of Cisco's multi-billion dollar Collaboration business, and was the principle behind Webex Teams (formerly Cisco Spark). Prior to that, Chief Technology Strategist for Skype, Cisco Fellow at Cisco and CTO of SIP pioneer dynamicsoft. With an h-index of 35, the most impactful author of Internet standards of all time (72 RFCs), 90 Issued US patents. Named to the TR100 - the 100 most innovative technologists in the world by Technology Review magazine. Breadth and depth of technology expertise in VoIP, networking, distributed systems. Accomplished speaker, strong business acumen.