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Mr. Dimitrios E. Pournarakis has 15 years of professional experience in the field of Data Analysis and Digital Marketing and is currently the co-founder of Nimbata, a start-up company that offers solutions in the field of marketing analysis. In the past, he has held the role of IT Consultant at IBM, participating in large projects in the field of Digital Transformation. He holds a PhD from the Athens University of Economics and Business specializing in Digital Marketing and holds an MBA International from AUEB, as well as an MSc in Information Systems from City University London. At the same time, he teaches the course "Social Network Analysis" in the undergraduate and postgraduate departments of the DMST at the Athens University of Economics and Business and his works have been published in international journals and conferences in the field of information systems.