Dr Ioannis Katakis is a Faculty Member at the University of Nicosia. He studied Computer Science and holds a PhD in Machine Learning for Text Classification. After his post-graduate studies, he served various universities as a lecturer and a senior researcher (Aristotle University of Thessaloniki, University of Cyprus, Cyprus University of Technology, Open University of Cyprus, Hellenic Open University, Athens University of Economics and Business, National and Kapodistrian University of Athens). His research interests include Mining Social, Web and Urban Data, Sentiment Analysis and Opinion Mining, Data Streams, Multi-label Learning. He has extensive experience in European Projects (www.vavel-project.eu, www.insight-ict.eu) where he participated as Quality Assurance Coordinator and Senior Researcher. He has published papers in International Conferences and Scientific Journals related to his areas of expertise (e.g. CIKM, ECML/PKDD, IEEE TKDE, ECAI), organized three workshops (at ICML, ECML/PKDD, EDBT/ICDT), edited four special issues (DAMI, InfSys) and is an Editor at the journal Information Systems. His research has been cited more than 4200 times in the literature. He regularly serves the programme committee of conferences (ECML/PKDD, WSDM, DEBS, IJCAI) and evaluates articles in numerous journals (TPAMI, DMKD, TKDE, TKDD, JMLR, TWEB, ML).