Vassilis Christophides is Professor of Computer Science at the University of Crete. He has been recently appointed to an advanced research position at INRIA Paris - Rocquencourt. Previously, he worked as Distinguished Scientist at Technicolor, R&I Center in Paris. His main research interests include Databases and Web Information Systems, Big Data Processing and Analysis, as well as Personal Information Systems. He has published over 130 articles in high-quality international conferences, journals and workshops. He has been scientific coordinator of a number of research projects funded by the European Union, the Greek State and private foundations on the Semantic Web and Digital Preservation at the Institute of Computer Science of FORTH. He has received the 2004 SIGMOD Test of Time Award and the Best Paper Award at the 2nd and 6th International Semantic Web Conference in 2003 and 2007. He served as General Chair of the joint EDBT/ICDT Conference in 2014 at Athens and as Area Chair for the ICDE “Semi-structured, Web, and Linked Data Management” track in 2016 at Bali, Indonesia.