Erhan Lokman is currently working as Technology Director in the R&D unit in Argela Technologies, Istanbul, where he is responsible for managing the R&D activities performed within Software-Defined Networking (SDN) and Network Function Virtualization (NFV) domains. Prior to joining to Argela, which is a Turk Telekom Group company, he worked in Alcatel and Oksijen Technology, leading many high-tech telecommunication projects. Mr. Lokman has 20+ years of experience in telecommunications and has extensive knowledge in Telecommunication Networks, Value Added Services, Fixed Mobile Convergence, VoIP, IMS, IPTV, SDN and NFV domains. Erhan Lokman has also contributed in many patents and papers.