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Panagiotis KarkazisView profile

Associate Professor

• Embedded Systems
• Internet of Things (IoT)
• Cloud Computing
• +7 more

Panagiotis Karkazis serves as Associate Professor in the Department of Computer Engineering at the School of Engineering, University of Western Attica. His academic foundation includes a BSc in Electrical Engineering from the Technological Institute of Piraeus (1999), an MSc in Electronic Communication from Kingston University (2005), and a PhD from the Technical University of Crete (2014) focused on trusted routing protocols in wireless sensor networks. His industry background as an Embedded Systems Software Engineer in telecommunications R&D complements his academic profile. His research spans Embedded Systems, IoT, Cloud Computing, SDN/NFV, and Wireless Sensor Networks, with recent emphasis on 6G networks, Reconfigurable Intelligent Surfaces, and blockchain applications. Key interests include user-centric network design, AI-driven optimization, and industrial IoT implementations. His work bridges theoretical networking with practical applications in cybersecurity, renewable energy education, and Industry 4.0/5.0 systems. Analysis of his recent publications reveals three dominant trends: 1) Next-generation wireless technologies (RIS, 6G) addressing interference and reliability challenges; 2) Meta operating systems (NEMO) and data spaces for distributed computing; 3) Interdisciplinary applications combining blockchain with serious gaming for education and supply chain security. His work consistently integrates AI/ML techniques for network optimization and demonstrates strong European research collaboration. As director of the Industrial Information Systems Lab, Karkazis leads research in industrial IoT, embedded systems, and network virtualization. He has served as principal researcher in numerous National and European projects including 5GTANGO and FASTER, focusing on SDN/NFV, cloud infrastructure, and real-time communications. His lab actively develops solutions for smart factories, cybersecurity in farm-to-fork supply chains, and safety hazard detection in Industry 5.0 environments.

Ronghui GuView profile

Associate Professor

• Programming Languages
• Operating Systems
• Blockchain
• +7 more

Ronghui Gu is the inaugural Tang Family Associate Professor of Computer Science at Columbia University's Fu Foundation School of Engineering and Applied Science. He leads a research group focused on building verified systems software and serves on program committees for major conferences including PLDI, POPL, OSDI, and SOSP. His educational background includes: Ph.D. in Computer Science from Yale University (2016), where he received the Distinguished Dissertation Award B.S. in Computer Science from Tsinghua University (2011), graduating with Highest Distinction (3 out of 140) Gu's research centers on certified software systems, spanning programming language design, OS kernel development, formal semantics, compiler development, proof engineering, and concurrency. His work bridges theoretical foundations with practical systems, particularly in the areas of formal verification for operating systems, distributed protocols, and quantum computing. He has pioneered approaches that combine formal methods with machine learning techniques to automate verification tasks that were previously intractable. Analysis of his publication record shows a clear trajectory from foundational work on verified operating systems (CertiKOS, mCertiKOS) to broader applications in distributed systems (DistAI, DuoAI), quantum computing (Gleipnir, Giallar, HyperQ), and blockchain security. His recent work increasingly focuses on automation techniques that make formal verification practical for real-world systems. His notable achievements include: OSDI Jay Lepreau Best Paper Award (2021) SOSP Best Paper Award (2019) Multiple Amazon Research Awards (2021-2025) NSF CAREER Award (2023) VMware Systems Research Award (2023) CACM Research Highlight Gu has secured substantial research funding including a $4.5 million DARPA grant for Verified Enclave Layers. He has advised numerous PhD students who have gone on to positions at top institutions and companies. As founder of CertiK, a Web3 cybersecurity unicorn valued at $2 billion, he has successfully translated academic research into real-world impact, securing over $300 billion in cryptocurrency assets. His lab maintains active collaborations with industry partners including VMware, AWS, Google, and quantum computing companies, focusing on making formal verification practical for critical systems.

• 5G/6G Networks
• Spectrum Management
• Cognitive Radio Networks
• +5 more

Professor Demestichas Panagiotis is a faculty member at the University of Piraeus' Department of Digital Systems, leading the Telecommunication Networks and Integrated Services Laboratory (http://tns.ds.unipi.gr). He holds a PhD from the National Technical University of Athens and has been a Professor since 2012. His research focuses on 5G/6G networks, cognitive radio, smart wireless access, and network virtualization. He coordinates major projects like OneFIT and Hexa-X, and has supervised 10 completed PhD students with 3 ongoing. He actively contributes to standardization bodies (ETSI, IEEE) and European initiatives (Horizon 2020). Education: PhD in Electrical Engineering, National Technical University of Athens BEng in Electrical Engineering, National Technical University of Athens Research Interests: 5G/6G Architecture and Spectrum Management Smart Network Management (Cognitive, Autonomic) SDN/NFV and Network Virtualization AI-Driven Communication Systems Industrial IoT and Digital Twins Grants/Projects: Hexa-X (European 6G Flagship Project) OneFIT (Network Slicing) SLALOM, iCore, ACROPOLIS (5G Innovations) Labs/Teams: Leads the Telecommunication Networks and Integrated Services Lab, collaborating with institutions like the University of Surrey's 5G Innovation Centre.

• Security
• Privacy
• Network Security
• +3 more

Kotzanikolaou Panagiotis serves as an Associate Professor specializing in Security and Privacy of New Generation Networks at the Department of Informatics, University of Piraeus, where he also directs the Department's Security Laboratory. With a strong academic foundation including a degree in Informatics and a PhD in information systems security, both from the University of Piraeus, he has established himself as a leading expert in network security and privacy domains. University of Piraeus - BSc in Informatics University of Piraeus - PhD in Information Systems Security Professor Kotzanikolaou's research focuses on the critical intersection of security and privacy within next-generation communication networks. His work addresses fundamental challenges in securing modern network infrastructures against evolving threats while preserving user privacy. He has developed expertise in cryptographic techniques, authentication mechanisms, and security protocols specifically designed for emerging network technologies including 5G, IoT, and edge computing environments. His research approach combines theoretical rigor with practical implementation considerations, ensuring relevance to real-world security challenges faced by communication systems today. Analysis of his publication record reveals a consistent focus on addressing security challenges in evolving network technologies, with increasing attention to AI-driven security solutions, quantum-resistant cryptography, and privacy-preserving techniques for distributed systems. His work demonstrates a progression from traditional network security approaches to more sophisticated methods addressing the unique challenges posed by next-generation networks, including 5G infrastructure, IoT ecosystems, and edge computing environments. CISSP (Certified Information Systems Security Professional) ISO 27001 Lead Auditor certification Professor Kotzanikolaou actively participates in research and development projects for both public and private sector entities in the field of Information and Communication Systems Security. He serves on organizing committees for international conferences and contributes as a guest editor and reviewer for prominent scientific journals in security. His professional engagement extends to practical applications through previous work as a Special Scientist at the Communications Privacy Assurance Authority (ADAE) and as a systems security consultant in the private sector. As director of the Department's Security Laboratory at the University of Piraeus, he leads research initiatives focused on cutting-edge security challenges in modern communication networks. The laboratory serves as a hub for collaborative research involving academic researchers, industry partners, and government agencies working together to develop innovative security solutions for next-generation network infrastructures.

• Photonics
• Optical Communications
• Photonic Integrated Circuits
• +4 more

Hercules Avramopoulos is a full Professor at the National Technical University of Athens (NTUA) within the School of Electrical and Computer Engineering, where he heads the Photonics Communications Research Laboratory (PCRL). His work bridges academic research and industrial application in photonics, with leadership in European collaborative projects. His educational background includes a BSc and MSc in Physics and Applied Optics from Imperial College London, followed by a PhD in Physics (1989) focusing on nonlinear effects in lasers and optical fibers. Prior to NTUA, he conducted research at AT&T Bell Laboratories. Avramopoulos' research spans photonic integrated circuits , quantum communications , optical interconnects , and biophotonics sensing . Current work emphasizes monolithic/hybrid photonic integration (silicon, InP, polymers), quantum key distribution (QKD) for satellite/terrestrial networks, and photonic sensors for composite manufacturing. His group develops advanced modulation formats, DSP techniques, and all-optical switching systems. Recent publications show strong focus on quantum-classical coexistence in fiber/FSO networks, 6G X-haul architectures combining fiber/mmWave/FSO, and embedded photonic sensors for industrial processes. Key trends include satellite QKD feasibility, SDN-controlled hybrid transport, and machine learning-enhanced optical signal processing. He has supervised 26 completed PhD theses with 12 current doctoral students. Alumni include 10 faculty members at Greek/European universities and professionals at Cisco, Nokia, and the European Patent Office. PCRL has participated in over 60 European projects (coordinating ~30), including current initiatives like POLYNICES and TWILIGHT. PCRL maintains a 30-member team developing photonic solutions across five domains: optical interconnects, DSP, PIC design, biophotonics, and quantum communications. The lab holds 5 patents and has produced 500+ publications (200+ journal articles). Current infrastructure supports quantum communications research for IYQ2025 (International Year of Quantum 2025) initiatives.

• Geostatistics
• Hydrogeology
• Environmental Sustainability
• +3 more

Varouchakis Emmanouil is an Assistant Professor at the Technical University of Crete (TUC), affiliated with the School of Mineral Resources Engineering (MRE). His research focuses on geostatistical modeling, hydrogeology, and sustainable resource management. He actively contributes to projects like the IMMERSE initiative, which develops virtual excursions for critical raw materials education in the clean energy transition. His work integrates advanced statistical methods with environmental systems analysis. Key areas of expertise include groundwater dynamics, stochastic simulations for mining emissions reduction, and renewable energy potential assessment in the Mediterranean. He has developed decision support frameworks for water allocation optimization and circular economy strategies in mining waste management. His research often combines geostatistics with machine learning and remote sensing data to enhance environmental monitoring and predictive modeling. Emmanouil collaborates on EU-funded initiatives such as the OurMED project for sustainable water storage and the InTheMED project analyzing groundwater dynamics. He has authored numerous papers on topics like space-time correlations in mineral dissolution, spatial variability of precipitation, and probabilistic forecasting of extreme climate events. His academic contributions span both theoretical advancements (e.g., covariance models in multivariate geostatistics) and applied solutions (e.g., wave energy assessments in the Aegean Sea). He maintains an active role in advancing methodologies for climate resilience in energy infrastructure and groundwater resource management systems.

• Computer Networks
• Telecommunication Networks
• System Software
• +7 more

George Xylomenos is a Professor in the Department of Informatics at Athens University of Economics and Business (AUEB), where he has been a faculty member since 2002, progressing from Lecturer to Professor. He serves as Scientific Coordinator of the Information Systems Management Center and previously held roles including Deputy Chair of the Department of Informatics and Deputy Rector for Financial Planning and Development. He is affiliated with the Mobile Multimedia Laboratory (MMlab) at AUEB and has made significant contributions to computer networking research. Professor (System Software) at AUEB, Department of Informatics (2020-present) Associate Professor at AUEB, Department of Informatics (2015-2020) Assistant Professor at AUEB, Department of Informatics (2007-2015) Lecturer at AUEB, Department of Informatics (2002-2007) Research Associate at University College London (2016-2017) Education Ph.D. in Computer Science, University of California, San Diego (1999) M.S. in Computer Science, University of California, San Diego (1996) Diploma in Applied Informatics, Athens University of Economics and Business (1993) Professor Xylomenos' research focuses on computer network and operating system design and implementation. His primary interests include Future Internet architecture, Information-Centric Networking, Quality of Service provisioning, communication protocols for wireless and mobile networks, and Network Music Performance systems. His work bridges theoretical networking concepts with practical implementations, particularly in the areas of content-centric networking and multimedia communications. He has pioneered research in multi-service link layers for wireless networks and has made significant contributions to the understanding of TCP performance over wireless links. His recent publications demonstrate a strong focus on Named Data Networking, decentralized identity systems, and Network Music Performance. The research trends show a progression from traditional IP networking toward information-centric architectures, with increasing emphasis on security, privacy, and multimedia applications in distributed environments. Scientific Awards Best demo award at ACM ICN Conference (2017) Future Internet Award from FP7 PURSUIT project (2013) Runner up for best local student paper at IEEE Symposium on Computers and Communications (2011) Best non-student paper award at European Wireless Conference (2007) National Semiconductor Corporation Graduate Fellowship (1996) Professor Xylomenos has supervised numerous research projects, including multiple EU-funded initiatives such as PURSUIT, PSIRP, and EIFFEL in the Future Internet domain, and MUSINET for Network Music Performance. He has served on the editorial board of IEEE Transactions on Mobile Computing (2016-2024) and has been active in numerous Technical Program Committees for major networking conferences. His research has attracted significant funding from European Union programs including FP7, H2020, and Horizon 2020. He is a core member of the Mobile Multimedia Laboratory (MMlab) at AUEB, which focuses on advanced networking technologies, multimedia systems, and future Internet architectures. The lab has been instrumental in Greece's participation in major European research initiatives related to Information-Centric Networking and Network Music Performance. The laboratory maintains strong collaborations with international research groups, particularly in Europe and the United States.

Anna TzanakakiView profile

Associate Professor

• Optical Networking
• 5G/6G Systems
• Cloud-RAN
• +2 more

Anna Tzanakaki is an Associate Professor at the National and Kapodistrian University of Athens (Physics Department) and Visiting Research Fellow at the University of Bristol. Her research focuses on optical networks supporting 5G/6G systems, converged infrastructures, and network slicing. Key research areas include: Optical-wireless convergence for 5G/6G transport Intent-based network management using AI/ML Techno-economic analysis of network deployments Her extensive publication record (200+ papers) shows consistent focus on optical network design, cloud-RAN architectures, and multi-access edge computing, with recent work emphasizing AI-driven network optimization and integrated sensing-communication systems. As technical coordinator of the EU 5G-PPP project 5G-VICTORI, she drives innovation in railway communications and vertical industry applications.

Nikos PassasView profile

Professor

• Mobile Network Architectures
• Wireless Communications
• Quality of Service (QoS) Provisioning
• +7 more

Nikos Passas is a Professor at the Department of Informatics and Telecommunications, University of Athens, leading the Green, Adaptive and Intelligent Networking (GAIN) research group. He has coordinated numerous national and European research projects, including SMART-NRG,ROSSFIRE,SEOVEREIGN,CASPERS, and SEMANTIC. His research focuses on mobile network architectures, QoS provisioning, wireless protocols, and 5G/6G technologies. He has published over 120 papers and 12 book chapters, with key contributions in MAC protocols, mobility management, and network security. Education: PhD in Informatics & Telecommunications (University of Athens, 1997), Diploma in Computer Engineering (University of Patras, 1992). Teaching: Mobile/Wireless Networking courses at undergraduate and postgraduate levels. Recent roles include guest editor for IEEE Wireless Communications and Wiley's Wireless Communications and Mobile Computing Journal. Research highlights include work on LTE-Advanced networks, D2D communications, and blockchain-based mobile data access. He holds a US patent for wireless traffic scheduling. Active in IEEE and the Technical Chamber of Greece. Current projects emphasize smart energy networks, cognitive radio technologies, and user-centric service provisioning. His lab develops solutions for HetNets, edge computing, and AI-driven network optimization.

• High-Performance Computing
• Parallel Processing
• Code Optimization
• +3 more

Georgios Goumas is an Associate Professor in the Division of Computer Science at the School of Electrical and Computer Engineering, National Technical University of Athens. His research focuses on high-performance computing, parallel systems, and efficient resource management for modern computing platforms. Research domains: Serverless computing scalability and memory management Quantum algorithm design for classification Virtual memory optimization Hardware acceleration for sparse computations NUMA-aware concurrent data structures Recent innovations include DaeMon for disaggregated systems, eBPF-based Linux memory management, and multi-GPU matrix multiplication optimizations. Publications demonstrate consistent advancement in low-level system efficiency across quantum, serverless, and heterogeneous computing domains. Dr. Goumas teaches undergraduate and graduate courses on Operating Systems, Parallel Processing, and Code Optimization Techniques. His lab develops open-source tools like Paralia runtime for auto-tuning linear algebra and FPGA-based accelerators for scientific computing.

Xylomenos GeorgeView profile

Professor

• Future Internet design
• Quality of Service provisioning
• Wireless and mobile networks
• +3 more

Dr. George Xylomenos is a Professor at the Department of Informatics of Athens University of Economics and Business (AUEB), affiliated with the Mobile Multimedia Laboratory (MMLab). He obtained his Diploma in Informatics from AUEB (1993), followed by M.S. and Ph.D. degrees in Computer Science from UC San Diego (1996, 1999). His research focuses on Future Internet design, Quality of Service, wireless networks, and multimedia communication protocols. He has led numerous national and European projects, including roles as Deputy Rector for Financial Planning (2017–2020) and Deputy Chair of the Department of Informatics (2021–2024). He has published over 100 articles with >4000 citations and received awards such as the Future Internet Award (2013) and Best Demo Award (ACM ICN 2017). Education: B.S., Informatics, AUEB (1993) M.S. & Ph.D., Computer Science, UC San Diego (1996–1999) Research Interests: Future Internet architectures, network performance optimization, wireless protocols, QoS, and multimedia systems. His work explores latency-critical applications like Network Music Performance and secure data management in distributed systems. Key Projects: Leader of projects AViD-NMP, SeEDS, and TENeMP (2020–present) Co-investigator in FP7 PURSUIT and H2020 SOFIE Grants & Awards: Over 4000 citations across 100+ publications Editorial roles: IEEE Transactions on Mobile Computing Best Paper Awards: ACM ICN 2017, IEEE EWS 2007 Labs & Teams: Mobile Multimedia Lab (MMLab) at AUEB, collaborating on ICN, IoT, and network music performance systems.

Constantinos TzafestasView profile

Associate Professor

• Robotics
• Cognitive Assistive Robotics
• Human-Robot Interaction
• +6 more

Constantinos (Costas) S. Tzafestas is an Associate Professor of Robotics at the School of Electrical and Computer Engineering, National Technical University of Athens (NTUA). With over 160 scientific publications, he has established himself as a leading researcher in assistive robotics and human-robot interaction, particularly in applications for elderly care and medical assistance. Electrical and Computer Engineering Degree from NTUA (1993) D.E.A. in Robotics from Université Pierre et Marie Curie (Paris 6) (1994) Ph.D. in Robotics from Université Pierre et Marie Curie (Paris 6) (1998) Professor Tzafestas's research focuses on cognitive assistive robotics and human-robot interaction, with special emphasis on haptics and telerobotics applications in medical and surgical robotics. His work spans intelligent robot control, interactive motion planning, and robot learning for advanced manipulation, with applications in mobile and field robotics. His research is strongly oriented toward practical implementations that address real-world challenges in elderly assistance and healthcare. The analysis of Professor Tzafestas's recent publications reveals a strong focus on assistive technologies for elderly care, particularly robotic rollators and bathing assistance systems. His work consistently integrates advanced machine learning techniques with human-centered design principles, emphasizing real-world usability and effectiveness. The research shows progression from fundamental robotics concepts toward increasingly sophisticated, user-adaptive systems that respond to individual user needs and capabilities. Professor Tzafestas serves as an Executive Board Editor of the Journal of Intelligent and Robotic Systems, contributing to the scholarly community through editorial leadership. Project Coordinator for numerous European and national research projects Principal Investigator for multiple robotics initiatives Scientific Manager for collaborative research efforts His laboratory work centers around several key research projects including Softgrip, i-Walk, BabyRobot, ISupport, and Mobot, which collectively represent a comprehensive approach to developing intelligent robotic systems for assisted living, with particular emphasis on mobility assistance and personal care for elderly populations.

• Information Systems
• Digital Transformation
• Organizational Knowledge and Learning
• +4 more

Angeliki Poulymenakou serves as Professor of Information Systems Management and Dean of the School of Business Administration at the Athens University of Economics and Business (AUEB), where she leads the Department of Management Science and Technology. Her academic leadership extends to shaping business education and research strategy at one of Greece's premier institutions. Her educational foundation includes a BA in Mathematics from the University of Athens followed by advanced specialization at the London School of Economics and Political Science, where she earned both her Master of Science and PhD in Information Systems. This quantitative background underpins her interdisciplinary research approach. Professor Poulymenakou's research centers on digital technologies as catalysts for organizational transformation, with specific expertise in technological interventions for organizational knowledge systems, business networking dynamics in innovation ecosystems, e-government's impact on citizen trust (particularly in Brazil and India), and digital micro-entrepreneurship's role in socio-economic development (notably in China). Her work bridges theoretical rigor with practical implications for digital governance and economic advancement. Analysis of her publication trajectory reveals consistent focus on technology appropriation processes, with recent work emphasizing digital learning environments (2023-2024), e-voting trust frameworks (2009, 2019), and socio-technical dimensions of internet-enabled development (2011). Her research demonstrates methodological diversity across case studies, comparative analyses, and theoretical modeling within Information Systems. She has secured and coordinated over 20 international research projects funded by entities including the European Commission and Inter American Development Bank, while providing high-level consulting to UNIDO and the Greek State. Her academic service includes editorial board membership for top-tier journals (EJIS, JIT) and leadership roles in major conferences (ICIS, ECIS, IFIP), where she chaired two Athens-based IFIP conferences.

Eirini LiotouView profile

Assistant Professor

• 5G Mobile Cellular Networks
• Software-Defined Networking (SDN)
• Network Functions Virtualization (NFV)
• +5 more

Eirini Liotou is an Assistant Professor at the Department of Informatics and Telematics, Harokopio University, within the School of Digital Technology. She holds a PhD from the National and Kapodistrian University of Athens (2017), with postdoctoral research funded by the State Scholarship Foundation (ΙΚΥ) from 2019–2021. Her academic career includes adjunct teaching roles at the National and Kapodistrian University of Athens, Hellenic Open University, and Business College of Athens. She has extensive industry experience as a Senior Software Engineer at Siemens and as a Project Manager/Researcher in EU projects like 5G-IANA and XGain. Education: PhD: Quality of Experience in Mobile Networks (NTUA, 2017) MSc: Communications & Signal Processing (Imperial College London, 2012) MSc: Informatics & Telecommunications (NTUA, 2011) Diploma: Electrical & Computer Engineering (National Technical University of Athens, 2006) Research Interests: Focuses on 5G/6G networks, Software-Defined Networking (SDN), Quality of Experience (QoE), and automotive networking. Her work addresses challenges in network virtualization, edge computing, federated learning, and vehicular communications. She has contributed to projects like CASPER and SMART-NRG, emphasizing user-centric service provisioning and network orchestration. Publications: Over 25 peer-reviewed papers spanning SDN applications, QoE management, and vehicular networks. Recent trends include federated learning for cellular networks, edge computing in automotive systems, and QoE-driven network optimization. Awards: Post-doctoral Research Scholarship (ΙΚΥ, 2019–2021) Grants & Projects: Deputy Coordinator: 5G-IANA (EU 5G PPP Phase 3.VI) Deputy Coordinator: XGain (Horizon 2021) Senior Researcher: Marie Curie projects CASPER and CROSSFIRE Labs/Teams: Active in the Communication Networks Laboratory (NTUA) and the I-SENSE group at ICCS. Leads research in intelligent automotive networking and edge-cloud continuum applications.

Ilias SakellariouView profile

Assistant Professor

• Constraint Logic Programming
• Multi-Agent Systems
• Artificial Intelligence
• +3 more

Ilias Sakellariou is an Assistant Professor in the Department of Applied Informatics at the University of Macedonia. He holds a BSc in Physics from Aristotle University of Thessaloniki, an MSc in Knowledge-Based Systems from the University of Edinburgh, and a PhD in Distributed Constraint Logic Programming from Aristotle University of Thessaloniki. Education: BSc in Physics, Aristotle University of Thessaloniki MSc in Knowledge-Based Systems, University of Edinburgh PhD in Distributed Constraint Logic Programming, Aristotle University of Thessaloniki Research Interests: Constraint Logic Programming, Multi-Agent Systems (BDI, Agent-Based Simulation), AI applications in 5G networks, cloud/network slicing, and distributed systems. His work includes projects like NECOS (cloud slicing) and UNIC (5G network infrastructure). Publications: His research spans agent-based modeling, network slicing, and AI-driven systems. Recent works focus on emotional agents in simulations and 5G infrastructure optimization. Projects & Grants: Participated in EU-funded projects such as NECOS (H2020) and UNIC (FED4FIRE+), contributing to cloud slicing and network architecture design. His work includes software tools like TXStates (NetLogo extensions for state machines) and eX-Machines for evacuation simulations. Labs/Teams: Develops simulation tools for agent-based systems, emphasizing NetLogo extensions for complex agent modeling and validation.