Sotiris Karampatakis is a Developer and Data Analyst. He holds a B.Sc. in Physics, University of Crete and M.Sc. Web Science, School of Mathematics, Aristotle University of Thessaloniki. He is creator and maintainer of many datasets of the Greek LOD cloud (Greek libraries bibliographic and authority records, Greek WordNet), current administrator and developer of the Greek DBpedia, a contributor on Wikipedia and Wikidata, contributor in the open-source, public domain projects and active member of the Europeana Network Association and the DBpedia Association. He is an expert in Data Modeling, Ontology Engineering and Semantic Web technologies. His area of research includes Semantic Web, Ontology Alignment, NLP, Knowledge Engineering, Data Analytics, Data Visualization, SSNs, IoT.