The 7th International Workshop on Quality of Multimedia Experience (QoMEX 2015) will be held from 26 to 29 of May 2015 in Costa Navarino, Messinia in southwest Peloponnese, Greece. It will bring together leading experts from academia and industry interested in the evaluation of multimedia quality and user experience. QoMEX 2015 will address theory and applications of measuring the quality of user experiences, based on both objective and subjective psychophysiological measures. The program will include presentations of novel research theories, applications and results in lecture, poster and plenary sessions. A significant number of Special Sessions organised by internationally recognised experts in the area will feature in the program. In addition to the technical program, a social program will be offered to the participants in a backdrop of outstanding natural beauty and rich cultural heritage in one of the best-known international destinations.