Pavlos Efraimidis

, Associate Professor

Pavlos S. Efraimidis is an Associate Professor of Computer Science at the Dept. of Electrical and Computer Engineering of the Democritus University of Thrace (Greece) and an Adjunct Researcher of the Athena Research Center. He received his PhD in Informatics in 2000 from the University of Patras and the diploma of Computer Engineering and Informatics from the same university in 1995. His main work is on algorithms and his current research interests are in the fields of design and analysis of algorithms, graph theory and network analysis, federated machine learning, algorithmic game theory, and algorithmic aspects of privacy. In the context of recent research projects he applies algorithmic techniques for graph analysis, social network analysis, federated machine learning and blockchain applications. He has published over 65 refereed technical papers and book chapters, and has participated in over 15 national and European research projects. He is a member of ACM, IEEE and EATCS. His is affiliated with the Athena Research Center. His past industrial experience includes working as a computer engineer in the high-performance computing field (Parsytec Computer GmbH, Aachen, Germany) and in the financial sector (ASYK – Athens Stock Exchange, Athens, Greece).

Sotirios Gyftopoulos

, PhD

I was born in Komotini in northern Greece at 13 February 1982 and graduated from the Computer Science Department of University of Crete in 2003. I received my Master’s degree from the Department of Electrical and Computer Engineering of the Democritus University of Thrace under the advisory of Prof. Alexandros Karakos and defended my PhD Thesis entitled “Analysis of influence on social networks” under the advisory of Associate Prof. Pavlos Efraimidis in July 2020.

Giorgos Stamatelatos

, MSc, PhD

I was born in Athens and raised in Lixouri, Kefalonia. I received my diploma in Electrical and Computer Engineering from the Democritus University of Thrace, Greece in 2011. In addition, I received my Master’s degree from the same University under the advisory of Associate Prof. Pavlos Efraimidis as well as my PhD within the field of Social Network Analysis in 2022. At the moment, I am a post-doc researcher at the Algorithms and Privacy Research Unit, DUTh, and a software engineer at the Democritus University of Thrace Career Office. My scientific interests include design and analysis of algorithms, combinatorics, social network analysis, random graph algorithms and graph learning.

Vasileios Perifanis

, PhD student

I was born in Komotini, Greece at 29 November 1995. I graduated from the Department of Informatics of Ionian University in 2017 and I acquired a Master’s degree from the Department of Information & Communication Systems Engineering of the University of the Aegean in 2020. I am currently a PhD Student at the Department of Electrical and Computer Engineering of the Democritus University of Thrace, under the advisory of Associate Prof. Pavlos Efraimidis.

Antonios Chatzitoulousis

, PhD student

I was born in Xanthi in northern Greece at 05 June 1965. I received my diploma in Computer Science from the School of Science & Technology of the Hellenic Open University (HOU) in 2006. I also acquired a Master’s degree from the Department of Electrical and Computer Engineering of the Democritus University of Thrace (2015) and a Master’s degree from the Science & Technology School of the Hellenic Open University (HOU) (2016). I am currently a PhD Student under the advisory of Associate Prof. Pavlos Efraimidis.

Andreas Sendros

, PhD student

I am currently a PhD candidate at the Department of Electrical and Computer Engineering of the Democritus University of Thrace, under the advisory of Associate Prof. Pavlos Efraimidis. I received my diploma in Electrical and Computer Engineering from the Democritus University of Thrace, 2020. My research interests included development of decentralized application, cryptography, efficient computation and privacy in blockchain.

Eleni Briola

, PhD student

I was born in Thessaloniki at 29 January 1994. I received my diploma thesis in Electrical and Computer Engineering from Democritus University of Thrace, Xanthi (Greece) in 2018. In addition, I acquired a Master’s Degree (May 2020) from the same Department and I am currently a PhD student in Department of Electrical and Computer Engineering of Democritus University of Thrace, under the advisory of Associate Prof. Pavlos Efraimidis.

Nikolaos Pavlidis

, PhD student

I was born in Thessaloniki and I received my Diploma with Integrated Master degree in Electrical and Computer Engineering (2022) from the Democritus University of Thrace (DUTh), Greece. I am currently a PhD Student at the same department under the advisory of Prof. Pavlos Efraimidis. My current research interests include Federated Learning, Graph Neural Networks, Graph Embeddings and Machine learning optimization.

George Drosatos

, MSc, PhD

George Drosatos is a Researcher at the Institute of Language and Speech Processing, Athena Research and Innovation Centre, Xanthi (Greece). He received his diploma thesis in Electrical and Computer Engineering from Democritus University of Thrace, Xanthi (Greece) in 2006. In addition, he acquired a Master’s degree (March 2010) and a PhD degree (December 2013) both from the Department of Electrical and Computer Engineering of the Democritus University of Thrace. Furthermore, he was a Postdoctoral Fellow (2013-2014) at the Institute for Language and Speech Processing, Athena Research and Innovation Centre in Xanthi (Greece). In 2015-2016, he was Associate Researcher and Project Manager of CARRE Project at School of Medicine, Democritus University of Thrace in Alexandroupoli. In 2017-2018, he was Research Software Engineer in EROGamb Project in the Department of Computing and Informatics, Bournemouth University, UK.
Dr. Drosatos has interdisciplinary background in various areas (Electrical Engineering, Computer Science, Health Sciences and Mental Health) with focus on privacy-enhancing technologies and information security and he is very good to coordinate, communicate and manage large working groups. This ability was gained through his experience as project manager in CARRE project (EU FP7-ICT-611140) and other activities within research projects (participation in 7 projects).

Aimilia Tasidou

, MSc, PhD

In 2015 I received my PhD degree (advised by Prof. Pavlos S. Efraimidis) from the Department of Electrical and Computer Engineering of the Democritus University of Thrace (Greece). I graduated from the Department of Informatics at the University of Piraeus (Greece) in 2005 and continued my postgraduate studies at the Department of Informatics, University of Edinburgh (UK), having completed the MSc in Artificial Intelligence in 2006.

Remous-Aris Koutsiamanis

, MSc, PhD

I am a PhD student studying at the Department of Electrical and Computer Engineering of the Democritus University of Thrace, Greece. Previously, I completed the “MSc in Artificial Intelligence” programme at the University of Edinburgh with a full Bodosaki Foundation scholarship. At the undegraduate level, I attended the Department of Computer Science of the University of Piraeus and graduated with distinction.

George Keisoglou

, MSc Student

I am a MSc Student at the Department of Electrical and Computer Engineering of the Democritus University of Thrace, under the advisory of Associate Prof. Pavlos Efraimidis.