Christos is Professor in Knowledge Discovery and Software Engineering systems at the International Hellenic University, School of Science & Technology. He was Chair of the Department of Science and Technology and Dean of the School of Science and Technology, International Hellenic University (2021-23) and Vice Dean (2020-21). He is Director for the MSc in Smart Cities and Communities. Formerly he was an adjunct Associate Professor at the University of Ioannina, Dept. of Computer Science & Engineering, an adjunct Assistant Professor at the University of Western Macedonia, Dept. Engineering Informatics and Telecommunications, a tenured Lecturer at the University of Manchester, Schools of Computer Science and Informatics, as well as UMIST, Department of Computation.