George A. Tsihrintzis is a full professor in the Department of Informatics in the University of Piraeus, Greece, and served as its head from September 2016 through August 2020. He received the Diploma of Electrical Engineer from the National Technical University of Athens, Greece (with honors) and the M.Sc. and Ph.D. degrees in Electrical Engineering from Northeastern University, Boston, Massachusetts, USA. His current research interests include Pattern Recognition, Machine Learning, Decision Theory, and Statistical Signal Processing and their applications in Multimedia Interactive Services, User Modeling, Knowledge-based Software Systems, Human–Computer Interaction,and Information Retrieval. He has authored or co-authored over 350 research publications in these areas, which include 5 monographs and 23 edited volumes.