Alexandros – Marios Afratis is a 4th Year Undergraduate Student at Computer Engineering and Informatics Department – CEID – of Patras’ University, Greece (Integrated M.Sc. Diploma Program). He is also a Laboratory Assistant and a Researcher at CEID. His general research interests embrace Mathematical Foundations of Computer Science, Intelligent Computing Systems & Big Data Analysis. His particular research interests focus on Topological Data Analysis, Signal Processing & Graph Theory.