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David is currently a special strategic advisor for a group of top-industry start-ups, specializing in building and delivering innovative technologies for the new telecommunication industry. He served until very recently as the Group Head of Network Virtualization, SDN and NFV for Vodafone and led one of the biggest transformations in Vodafone's history (Vodafone Ocean). In this role, he was responsible for developing Vodafone’s vision, strategy, end-to-end architecture, vendor selections and the execution plan for Software Defined Networks (SDN) and Network Functions Virtualization (NFV) in more than 30 operators worldwide. Prior to Vodafone, he served as the Vice President for Virtual Telecommunications & NFV at Alcatel-Lucent where he designed the first company-wide vision and strategy for network virtualization and was responsible, in addition, for the entire technology vision, strategy and architecture of ALU's NFV Management & Orchestration. Prior to Alcatel-Lucent, David served as the Chief Technology Officer and an Executive Vice President at Amdocs. In this role he was responsible, among others, for planning and developing Amdocs' technology vision as well as Amdocs' future strategy, architecture and roadmap of the entire product portfolio. Prior to Amdocs, he served as the Chief Scientist of 21st Century Network (21CN) of BT, where he was responsible for design, plan and optimize solutions in BT networks, architectures and infrastructures in more than 100 countries and 250 networks worldwide. David has over 25 years of unique experience in Telecommunications in leading, developing, and executing strategies, transformations, technological innovation, and advanced solutions in very large operators, software vendors, network equipment vendors and start-ups.