Clarence Filsfils, a Cisco Systems Fellow, has a 20-year expertise leading innovation, productization, marketing and deployment for Cisco Systems. Trusted and respected by key decision makers across major WEB/OTT, SP’s and large Enterprises, Clarence enjoys working with these operators to listen to their needs and requirements, and then get things done from product design to deployment. He invented the Segment Routing Technology (over 40 patents) and is leading its productization, marketing and deployment at record execution speed. For this contribution, he and his team received the Pioneer Award - Cisco's most prestigious award honoring innovative engineering. The award celebrates engineering contribution that brings growth in new markets, redefines current markets, and provides game-changing improvements to engineering productivity. Previously, Clarence invented and led the Fast Routing Convergence Technology (over 30 patents) and was the lead designer for Cisco System’s QoS (20 patents) and large-scale IP/MPLS deployments. Clarence is a regular speaker at leading industry conferences. He holds over 140 patents and is a prolific writer, either in academic circle (Sigcomm 2015), or standard (8 RFC’s, 20 drafts on standard’s track) or books. Clarence holds a Masters in Management from Solvay Business School and a Masters of Engineering in Computer Science from the University of Liege.