Siomos Alexandros graduated from the Aristotle University of Thessaloniki (AUTH), School of Mathematics (2019), where he gained superior knowledge of programming, and theoretical and applied mathematics. In 2021 he acquired the MSc in Data Science from International Hellenic University (IHU) and expand his skills in preprocessing, management, and visualizing big data. Since 2021, he works as Data Analyst at the Hellenic Institute of Transport of the Centre for Research and Technology Hellas. He analyzes transport data from different sources and develops predictive models for forecasting patterns. He uses MySQL and Python for data analysis and Tableau to visualize the processed data.