Gerasimos Vonitsanos is a Researcher Ph.D. candidate in the Department of Computer Engineering and Informatics at the University of Patras (CEID). He received his Master of Science Degree from the Department of Informatics at Ionian University. His Μaster thesis entitled " Data Management (and Knowledge Extraction) over Spark " lies in the field of Data Mining. He holds a degree in Education from the School of Educational Sciences, a Master of Business Administration from the School of Social Sciences, and a diploma in Open and Distance Learning from the Hellenic Open University. His research interests span the broad areas of Data Mining, Big Data, Machine Learning, Bioinformatics, Educational Technologies, and E-learning. He has published several papers in refereed scientific conferences and journals and has been served as program committee in various conferences.