Christos Kolias is a Principal Research Scientist and an Orange Expert. He is a co-founder of NFV and the ETSI group and had led the formation of the ONF's Wireless & Mobile working group of which it was its first chair. He has been a frequent speaker on NFV, SDN, SD-WAN and MEC. Christos holds a PhD in computer science from UCLA where he studied under Prof. L. Kleinrock.