Leonidas Kallipolitis holds a BSc in Informatics and Telecommunications and a MSc in Advanced Information Systems from the National and Kapodistrian University of Athens, Greece. He has been working as a software engineer since 2008. He has great experience in EU funded projects working as technical coordinator and contributing to the analysis, design and implementation of the developed systems. He is currently involved in designing and developing cyber security systems and applications using the latest technologies and software development methodologies. His s/w engineering activities include: (i) advanced forensic visualization services; (ii) business-style situation awareness dashboards; (iii) analytical reasoning, which comprises the calculation of indicators for content characterisation, grouping and clustering; (iv) Big data representations and transformations (dimensionality reduction of high-dimensional data structures); (v) interactive and multi-purpose user interfaces that allow users to explore and understand cyber security data and (vi) system integration