Dr. Charalampos Bratsas is the founder of the Greek Chapter of the Open Knowledge Foundation and the President of its Administration Board, and he is a special member of the teaching staff in the School of Mathematics of the Aristotle University of Thessaloniki. He teaches in the Departments of Mathematics, Journalism, Biology and Geology and on the MSc of Complex Systems in AUTH. He has extensive experience in Semantic Web with a focus on Linked Open Data Internationalization and Ontology engineering. Additionally he has been involved in ten EU research projects; his research interests include Data Mining algorithms, Semantic Web, Social Semantic Web, Internationalization of Linked Data, he is coordinator of Greek DBPedia, Applications of Statistical Knowledge, Data Journalism, as well as Neuroinformatics. He is the author of two theses, six chapters in books, eleven articles in journals, and more than thirty of his articles have been published in International conference proceedings. He has served as a programme committee member for more than fifteen conferences and acted as a reviewer for international journals.