Vasilios N. Katsikis is an Associate Professor of Mathematics and Informatics at the Department of Economics, National and Kapodistrian University of Athens, Greece. He received his Diploma of Mathematics from the National and Kapodistrian University of Athens, his MSc in Applied Mathematics as well as his PhD in Mathematics from the National Technical University of Athens. He has also worked as a post-doctoral researcher in Applied and Computational Mathematics under the financial support of the State Scholarship Foundation (IKY). His research interests lie in the fields of Applied Mathematics, Computational Finance, Artificial Intelligence, Matrix Analysis and Applied Linear Algebra. He has published more than 80 journal papers in high-quality journals, 4 research books and 7 book chapters on the above-mentioned fields, and has a variety of other research activities. He also serves as a reviewer for several journals and congresses.