Professor Nicholas Assimakis received the Diploma and Ph.D. degree from the Department of Computer Engineering and Informatics, University of Patras, Greece. He is currently a Professor with the General Department of the National and Kapodistrian University of Athens, Greece. His research interests include digital signal processing, estimation theory, filtering, algorithm design and development. He has 86 scientific publications in international journals and conferences. He authored 4 books and co-authored 7 books