Teachers
Christos Xenakis
email:xenakis@unipi.gr
Prof. Christos Xenakis completed his studies in Computer Science in 1993, and his M.Sc. in 1996 at the Department of Computer Science and Telecommunications of the University of Athens. In 2004, he received his Ph.D. degree from the University of Athens (Department of Computer Science and Telecommunications). From 1998 to 2001 he worked as a telecommunication engineer. From 1996 to 2007 he was a member of the Communications Networks Laboratory of the Department of Computer Science and Telecommunications (University of Athens).
Since 2007 he has been a member of the teaching and research staff of the Department of Digital Systems of the University of Piraeus, where he is currently a Professor.
At the same time, he is a member of the Systems Security Laboratory of the Department of Digital Systems of the University of Piraeus and director of the postgraduate program “Digital Systems Security”. He has been actively involved in more than 30 European (ACTS, ESPRIT, IST, AAL, DGHOME, Marie Curie, Horizon2020) and National research projects. He is the coordinator of the CUREX, SealedGRID, INCOGNITO and SECONDO projects funded by the European Commission (H2020) and served as coordinator of the ReCRED project (H2020) and had the scientific/technical direction of the UINFC2 project funded by DGHOME/ISEC.
He is a member of the steering committee of the European Cyber Security Challenge and leader of the Greek National Cyber Security Team. He is also a member of the editorial boards of the scientific journals Computers & Security and Computer Communications published by Elsevier, and of the IET Information Security journal published by the Institute of Engineering and Technology. His research interests focus on systems, network and application security.
Finally, he has co-authored more than 90 publications in international scientific journals, chapters in edited volumes and conferences.
Konstantinos Lambrinoudakis
email:clam@unipi.gr
Konstantinos Lambrinoudakis holds a B.Sc. in Electrical and Electronic Engineering from the University of Salford (1985), an M.Sc. in Automatic Control Systems from the University of London (Imperial College – 1986) and a Ph.D. from the University of London (Queen Mary and Westfield College – 1991). During the period 1998-2009 he worked at the University of the Aegean, as a faculty member of the Department of Information and Communication Systems Engineering. From June 2009 until today he is serving at the Department of Digital Systems, University of Piraeus (since 2017 as Professor). Since 2015 he is the Director of the Systems Security Laboratory, and between 2015 and 2020 he was the Chair of the Department. Since 2016 he is a regular member of the Data Protection Authority, while between 2012 and 2015 he was a regular member of the Communications Privacy Authority.
His current scientific interests include the areas of information and communication systems security and privacy protection. For many years he has been working on issues related to the protection of personal data and the compliance of information systems with national and European legislation.
Stefanos Gritzalis
email:sgritz@unipi.gr
Stefanos Gridzalis is Professor of Information and Communication Systems Security at the Department of Digital Systems, University of Piraeus (6.2019+) and is the Director of the MSc in Law and ICT (06.2020+). He is a member of the Independent Authority for the Safeguarding of Communications Privacy (12.2020+).
He is an Alternate Member of the National Commission for Human Rights (08.2022+).
He was Rector of the University of the Aegean (2014-2018).
He was Special Secretary at the Ministry of Administrative Reform and e-Government (11.2009-10.2012).
Earlier he was Professor at the Department of Information and Communication Systems Engineering, Faculty of Engineering, University of the Aegean (2002-2019), Chairman of the Department (2005-2009), Deputy Chairman of the Department (2012-2014) and Director of the Information and Communication Systems Security Laboratory (2005-2009).
He has been active for more than 25 years in a number of international and national R&D projects (Horizon 2020, IST FP7/FP6/FP5, DGXIII Telematics / ETS-II / ETS-I / Telematics for Administration / Value II / Healthcare Telematics, DG XVI Feder, GSRT etc.).
According to the “2023 World’s Top 2% Scientists” ranking by Stanford and Elsevier, he is included, once again, in the top 2% of scientists worldwide, out of a total of 195,605 scientists, based on the citations received for his overall research work during his 30-year career.
He has authored or edited 14 Books, has edited the Proceedings of more than 35 International Conferences (IEEE, ACM, Springer etc.), has authored 37 Book Chapters, has published 329 scientific articles (146 articles in International Scientific Journals and 183 in Proceedings of International Conferences with publication of Proceedings).
He serves as Area Editor of the leading journal IEEE Communications Surveys and Tutorials (ImpactFactor=35.6 (Clarivate JCR Report), ranked #1 journal in Computer Science and Telecommunications in the world for the years 2022, 2021, 2020, 2019, 2018, 2017).
He is an Editorial Board Member in 35 journals, Reviewer in 80 international Scientific Journals and has been Guest Editor 35 times in Scientific Journals.
He has served as General Chair or PC Chair in 50 international conferences, PC Member in more than 600 international conferences and has more than 9.900 citations to his work with h-index=54, i-10 index=168 according to Google Scholar.
He has supervised 17 successfully completed doctoral theses. In addition, he has served as an evaluation committee member/external evaluator for more than 60 PhD candidates in Greece, Germany, Italy, Spain and India. He has supervised 90 Postgraduate Diploma Theses and 160 Bachelor Theses.
He has been appointed as an expert for the evaluation of project proposals and nominations from a number of Greek and international institutions: ERC European Research Council, Swiss National Science Foundation (SNSF), Italian Ministry of University and Research, The Netherlands Organisation for Scientific Research, Belgian Fund for Scientific Research, Czech Science Foundation, FFG Austrian Research Promotion Agency, ETH Zurich Research Commission, Croatian Ministry of Science and Education, Slovenian Research Agency, South Africa’s National Research Foundation, Qatar Foundation National Research Fund, Cyprus Research Promotion Foundation, The University of Nicosia Research Foundation Cyprus, Hellenic Foundation for Research and Innovation, Hellenic General Secretariat for Research and Technology, Hellenic State Scholarship Foundation, Hellenic Ministry of Economy and Development ESF Operational Programme “HR Development Education and Life Long Learning”.
He has served as an Evaluator in tenders for major IT and Telecommunications projects in the Public Sector, and has been appointed as an Expert for the Hellenic Judiciary on issues of Communications Security and Privacy Protection.
Nikitas-Marinos Sgouros
email:sgouros@unipi.gr
Nikitas-Marinos Sgouros holds a Ph.D. from Northwestern University, USA, an M.Sc. with distinction from the University of Edinburgh, UK, and a Diploma in Electrical Engineering from the National Technical University of Athens (NTUA). He is currently a Professor in the Department of Digital Systems at the University of Piraeus. He has served as Director of the MSc Program “Digital Systems & Services” and as Vice Chair of the Department. His research interests focus on Multimedia Systems, Intelligent Systems, Entertainment Technologies, and Robotics. Prof. Sgouros directs the Laboratory of Intelligent Systems and Multimedia Technologies and has participated in numerous research and development projects in Greece and across Europe.
Georgios Vouros
email:georgev@unipi.gr
Prof. Georgios Vouros is a Professor in the Department of Digital Systems at the University of Piraeus.
His published work spans the areas of Expert Systems (having developed four successful systems in critical application domains during the period 1990–1997), Knowledge Management, Collaborative Systems, Ontologies (including ontology engineering, alignment, learning of ontologies and instances from heterogeneous data sources, module extraction, decentralized reasoning, and semantic data integration), Agents and Multi-Agent Systems (with a focus on organizations and adaptation, information sharing, and coordination), as well as Reinforcement and Imitation Learning in single-agent and multi-agent environments.
He has served as program chair, chair, and member of organizing committees of national (SETN) and international conferences (AAMAS, ECAI, AAAI, IJCAI, ISWC, WI/IA, among others), and as a member of steering committees/boards of international conferences and workshops (e.g., COIN, EUMAS). He has delivered tutorials and keynote talks at conferences and has organized several workshops at major international venues. He has served as guest editor for special issues of reputable journals and is/was a senior researcher in EU-funded and national research projects (20 in total).
He has supervised 13 Ph.D. students and is currently supervising 5 Ph.D. students in the areas of machine learning, primarily reinforcement learning and imitation learning.
He has previously served four times as President of the Board of Directors of the Hellenic Artificial Intelligence Society (EETN, a member of EurAI) and is currently serving as its President (2023–2024).
He is the founder and director of the inter-institutional MSc in Artificial Intelligence jointly offered by the University of Piraeus and the National Centre for Scientific Research “Demokritos” (2019–present), and he directs the Artificial Intelligence Laboratory in the Department of Digital Systems at the University of Piraeus (2016–present).
Evangelia Mitrou
email:L.Mitrou@aegean.gr
Evangelia Mitrou is a Professor at the University of the Aegean. She studied Law at the National and Kapodistrian University of Athens and completed her Ph.D. at the Faculty of Law of Goethe University Frankfurt under the supervision of Professor S. Simitis. She teaches Data Protection Law and Information/Internet Law at the Department of Information and Communication Systems Engineering of the University of the Aegean, and serves as a visiting professor in postgraduate programs at the Athens University of Economics and Business and the University of Piraeus.
She served as an advisor to former Prime Minister K. Simitis (1996–2004), as a member of the Hellenic Data Protection Authority (1999–2003), and since November 2016 she has been a member of the National Council for Radio and Television. During the Greek Presidency of the Council of the European Union (2014), she acted as Chair of the Working Party on Data Protection (DAPIX).
She has served as a member and chair of numerous legislative drafting committees dealing with personal data protection, electronic communications, infrastructure and network security, e-government, and related fields. She practices as a legal consultant and has participated in many research projects at both national and international levels. She has authored books and scholarly articles in Greek, English, and German.
Panagiotis Rizomiliotis
email:prizomil@hua.gr
Dr. Panagiotis Rizomiliotis was born in Athens, Greece. He received his B.Sc. in Computer Science with distinction in 1997 and his M.Sc. in 1999 from the National and Kapodistrian University of Athens. He holds a Ph.D. from the National and Kapodistrian University of Athens in the design of pseudorandom sequences with applications to cryptography and communications.
In 2005, Panagiotis joined the COSIC research group at Katholieke Universiteit Leuven, where he worked as a postdoctoral researcher until 2007. His research was funded during the first year by a Marie Curie fellowship and during the second year by the Research Foundation – Flanders (FWO-Vlaanderen).
In 2010, he was elected Assistant Professor at the University of the Aegean, and he is currently an Associate Professor at Harokopio University of Athens. His main research interests include applied cryptography, pseudorandom sequence design, information theory, systems security, and privacy.
Christoforos Dadoyan
email:dadoyan@ionio.gr
Dr. Christoforos Dantogian completed his undergraduate studies in Computer Science and Telecommunications in 2004 and his postgraduate studies (M.Sc.) in 2006 at the Department of Informatics and Telecommunications, University of Athens.
In 2009, he received his Ph.D. from the University of Athens (Department of Informatics and Telecommunications). He is an Assistant Professor in the Department of Informatics at the Ionian University. He has actively participated in numerous European research projects. His research interests focus on information systems and network security.
Apostolos Zarras
email:zarras@unipi.gr
Dr. Apostolis Zarras is an affiliated researcher at the University of Piraeus. Previously, he served as an Assistant Professor at Delft University of Technology and Maastricht University, and prior to that as a postdoctoral researcher at the Technical University of Munich.
He received his Ph.D. in Information Technology Security from Ruhr University Bochum. He also holds both an M.Sc. and a B.Sc. in Computer Science from the University of Crete.
His research interests focus primarily on systems security, networking technologies, and the Internet. Overall, his work is dedicated to advancing the field of computer security and to protecting users and systems from potential threats.
Evangelos Dragonas
email:dragvag@ssl-unipi.gr
Evangelos Dragonas is a Postdoctoral Researcher in the Department of Digital Systems at the University of Piraeus, specializing in Digital Forensics. He holds a B.Sc. in Informatics from the Department of Informatics of the Athens University of Economics and Business, an M.Sc. in Digital Systems Security from the Department of Digital Systems at the University of Piraeus, and a Ph.D. from the same department, focusing on the application of Digital Forensics to the Internet of Things (IoT).
He has ten years of professional experience in the field of Digital Forensics. He has presented his research at international conferences such as the SANS DFIR Summit and DFRWS-USA, and has participated in European research projects. He holds the following professional certifications in the field: Certified Forensic Computer Examiner (CFCE), Magnet Certified Forensics Examiner (MCFE), and Magnet Certified MAC Examiner (MCME). He is also a certified ISMS Auditor under ISO 27001:2013.
His current research interests focus on the study of Artificial Intelligence (AI) from a Digital Forensics perspective and its application to IoT devices. He serves as a reviewer for international scientific journals and conferences. His published work focuses on applied Digital Forensics.
