Hayim Porat is CTO of Ribbon’s IP Optical Business Unit, where he heads the innovation center and is responsible for the development and design of the company's forward-looking technology strategy which includes: SDN, 5G, big data and cloud services. Prior to Ribbon, Mr. Porat shepherded the research of cloud and SDN technologies for various international organizations. He served as the Chief Cloud IaaS and SDN Architect at Toga Networks and was the founder and CTO of Ethos Networks, a pioneer in centralized control of telecom metro Ethernet networks which was sold to Tejas Networks in 2010. Mr. Porat holds multiple telecommunications patents and seven certifications, and his work has been published. He earned a BScEE from the Technion – Israel Institute of Technology in Haifa, Israel, and an MBA from Tel Aviv University.