Apostolos N. Papadopoulos is an Associate Professor of Computer Science at the School of Informatics of Aristotle University of Thessaloniki (AUTH). He received his five-year Diploma Degree in Computer Engineering and Informatics from the University of Patras, and his Ph.D. Degree in Informatics from the School of Informatics (AUTH). His research interests include Data Management, Data Mining, and Big Data Analytics. He has served as a track co-chair of ACM SAC DTTA (Database Technologies Techniques and Applications) Track from 2005 until now, as well as a PC member in several International Conferences related to Data Management and Data Mining. He has co-presented four tutorials in ASONAM 2015, EDBT/ICDT 2016, ICDM 2016, and ECML/PKDD 2017 on the "Core Decomposition of Networks." The paper "SkyGraph: an algorithm for important subgraph discovery in relational graphs," Proceedings of ECML/PKDD, Antwerp, Belgium, 2008, received the Best Knowledge Discovery Paper Award, whereas the paper "Metric-Based Top-k Dominating Queries," Proceedings of the 17th International Conference on Extending Database Technology (EDBT), Athens, 2014, was selected as the best paper for publication in ACM Transactions on Database Systems. Based on Google Scholar, he has around 3200 citations in his research work.