Dr. Apostolos Ampatzoglou is an Assistant Professor in the Department of Computer Science of the University of Macedonia, where he carries out research and teaching in the area of software engineering. In the period 2013-2016 he was an Assistant Professor at the Department of Computer Science in the University of Groningen (Netherlands). He holds a BSc on Information Systems (2003), a MSc on Computer Systems (2005) and a PhD in Software Engineering by the Aristotle University of Thessaloniki (2012). His current research interests are focused on technical debt, reverse engineering, software maintainability, software quality management, open source software engineering and software design. He has published more than 110 articles in international journals and conferences. He is/was involved in 15 R&D projects in ICT with funding from national and international organizations. He serves as a reviewer in numerous leading journals of the software engineering domain, as part of the organizing committee of several prestigious conferences, as a memeber of the Steering Committee of the “Workshop on Machine Learning Techniques for Software Quality Evaluation”, and as a member of various international conference program committees. Finally, he has been acknowledged as being among the top scholars in the field of design patterns, among the top early stage researchers in the field of software engineering for the period 2010-2017, and among the top consolidated researchers in the field of software engineering for the period 2013-2020.