Dr. Harilaos Koumaras is a research associate professor at the Institute of Informatics and Telecommunications of NCSR “Demokritos” and head of the FutuRe cOmmunication NeTworks (FRONT) Research Group (https://front-research-group.eu/). He is also an editorial board member of the Telecommunications Systems Journal, regular TPC member of renowned international conferences and a reviewer of various journals and magazines. His research interests include 5G, B5G, 6G networks, Network Programmability, Distributed and Edge Cloud computing continuum, Network Function Virtualization (NFV), Software-defined Networking (SDN) and objective/subjective evaluation of the perceived quality of services. Dr. Koumaras is also a founding members of ETSI OpenCAPIF Software Development Group. Currently, he is the author or co-author of more than 100 scientific papers in international journals, technical books and book chapters, numbering approx. 2000 citations. Dr. H. Koumaras received his BSc degree in Physics in 2002 from the University of Athens, Physics Department, his MSc in Electronic Automation and Information Systems in 2004, being scholar of the non-profit organization Alexander S Onassis, from the University of Athens, Computer Science Department and his PhD in 2007 at Computer Science from the University of Athens, Computer Science Department, having granted the four-year scholarship of National Centre of Scientific Research “Demokritos”. He has received twice the Greek State Foundations (IKY) scholarship during the academic years 2000-01 and 2003-04.