Dr. Harilaos Koumaras is an active researcher in the field of evaluation of the perceived quality of multimedia services (PQoS), including video and picture quality assessment, quality of experience (QoE), video traffic modeling, digital terrestrial television and video compression techniques. Within this framework, Dr. Koumaras is an active member of the Interest Group (IG) on QoE for Multimedia Communications of IEEE Multimedia Communication Technical Committee. During the last years Dr. Koumaras has developed consulting and project management activities by participating in research and industry projects.