About Us

Bridging innovation with real life.

Eight Bells (8BELLS) is an independent Research and Consulting company specializing in selected parts of Information and Communication Technologies (ICT) as well as in modelling and analysis for businesses, based in Nicosia, Cyprus. The company was established in 2016 by ICT researchers and market analysts pursuing the application of their research expertise and innovations in the ICT related arena.





Meet our team

Our mission is to advance technology into a path that it tackles real world problems.We want to transform tech innovation and scientific breakthroughs from the academia into actual aids communities and society.

Dr Ioannis Giannoulakis

Dr Ioannis Giannoulakis received his PhD from the National Technical University of Athens, Greece in the area of applied mathematics. By leveraging on the collaboration with telecom operators, regulators, manufacturers and academics he has built a strong background in the ICT domain and he has been extensively involved in national and European research activities. In 2016 he founded 8BELLS Ltd, a dynamic research and consulting company with strong involvement and expertise in the areas of 5G mobile communications and cybersecurity. Dr Giannoulakis is author/co-author of several books, scientific papers and reports for technical, business and societal aspects of the modern telecommunication systems. Ηis research interests include queueing theory, performance analysis, stochastic modelling, and optimization of modern communications networks. Currently, he serves as Principal Analyst in 8BELLS.

Dr. Emmanouil KAFETZAKIS

Dr. Emmanouil Kafetzakis is Co-founder of 8BELLS Ltd. Since 2002 he holds the BSc degree in Informatics and Telecommunications from the University of Athens, Greece, he also received his MSc and PhD degrees from the same university, in 2004 and 2011. Emmanouil has more than 15 years of experience working with operators, enterprises, and academics across Europe. His primary areas of specialisation include performance modeling, forecasting techniques, resource allocation protocols and management for communication networks, simulation of data networks, with recent emphasis on Future Internet and SDN/NFV Architectures. He has more than 30 publications and more than 100 citations. He holds Ericsson Award of Excellence in Telecommunications and he is a biographee in several lists (e.g., Marquis Who’s Who, etc.)

Dr. Nicolas Kylilis

Dr. Nicolas Kylilis is a Principal Analyst in 8BELLS. He obtained a PhD in Information Science from University of Sheffield, an MSc in Information Systems from the same university and a BSc in Computer Science from University of Leicester. Furthermore, he is an active member of the Cyprus Scientific and Technical Chamber. Currently, he has an active role in multiple ICT and SEC projects. In the past he was Research Associate and Assistant Lecturer in the University of Sheffield in the fields of Information and Knowledge Management, Information Systems in Organisations, Information Systems Modelling and Database Design. His research interests lie in the fields of Telecommunications, IoT, Information and Knowledge Management, Cybersecurity, Blockchain and Situational awareness.

Dr. Konstantina PANAGIOTOU

Dr. Konstantina Panagiotou received her Diploma in Electrical and Electronic Engineering from the National Technical University of Athens (2013) and her MSc in Sustainable Energy Futures from the Imperial College London (2014). Since 2018, she holds a PhD in Electrical and Electronic Engineering received from the Power Electronics, Machine and Control Research Group of the University of Nottingham. Dr Panagiotou has worked as a Researcher for the Hockerton Housing Project Ltd. and the FOSS Research Center of Sustainable Energy of the University of Cyprus. She is currently working as a Scientific Coordinator at the European University Cyprus and as a Principal Analyst at 8BELLS Ltd. Her research interests lie in the field of Energy Management, Power Control Strategies, and Design of Decentralised Energy Systems.

Thrasos Nerantzis

Mr. Thrasos Nerantzis received his BSc in computer science at Aston University, Birmingham and his master studies in artificial intelligence at the Vrije Universiteit, Amsterdam. His research interests include machine learning and data mining. He is active in the free software community and on blockchain projects. For the last decade, he has been working in the private sector in the development and implementation of software and IT systems. He currently works as an analyst and business consultant for 8BELLS in Nicosia.

Vasileios Machamint

Mr. Vasileios Machamint received his Diploma in Electrical and Computer Engineering from Democritus University of Thrace (2013) and his joint MSc degree of Micro and Nanotechnology for Integrated Systems from EPFL, Politecnico di Torino and Grenoble INP (2016). He is also a PhD candidate at the University of Cyprus and has more than three years of working experience as a Project Manager. Vasilis has worked as a research engineer at IBM Almaden Research Centre in the USA, as a research associate at Foundation of Research and Technology Hellas (Greece) and as a research assistant at the Telecommunications Lab of Democritus University of Thrace (Greece). His research interests lie in the fields of Telecommunications, Smart Grids, machine learning and data analysis.


Ms Maria Efthymiou received her bachelor’s diploma in Computer Science from the University of Cyprus, with her diploma thesis being focused on the detection of RPL attacks in IoT networks. During her studies, she contributed to various projects in the university’s computer science community and she was also elected as the Vice President of the Computer Science Club. Since 2019 she is with 8BELLS Ltd where she has been involved in the technical implementation of various H2020 projects in the area of SDN/NFV and network virtualization. Her research interests include network virtualization, communications architectures and analysis of IoT systems. Currently, she works at 8BELLS Ltd as an ICT analyst & and EU projects researcher.

Neofytos Gerosavva

Mr. Neofytos Gerosavva is a certified PMP project manager and holds a Bachelor of Information Technology from the University of Cyprus (2008) and also an MBA from CIIM (Cyprus International Institute of Management) in 2011. He has worked as a project manager in companies such as Primetel PLC (from 2008 to 2010 in projects such as SMOOTH IT, MIMAX, T-SENIORITY) and Interfusion Services (from 2010-2015 in projects such as INCA, SEED, DIEGO, FUPOL) and subsequently at the Cyprus University of Technology (from 2016 to 2019 for STEAM and STM-PORTCDM projects). Since September 2019 she has been employed at 8BELLS where she manages inter alia the 5G-CARMEN and SPIDER projects.

Marios Spinthiras

Mr. Marios Spinthiras is a seasoned technology professional approaching two decades of experience in commercial ICT, with a track record in delivering effective, bespoke technology solutions to a wide range of industries including FinTech, Gaming, Managed Service Providers and Media Production. His focus is in technology strategy, IT operations, Cyber-Security and Software Product Development with a distinct interest in HPC/Cloud, System Automation and DevOps philosophies to system management. Mr Spinthiras received a first-class B.Sc (Hons) in Computer Science from Middlesex University in 2010, in which he was also awarded for his contribution to doctoral research in prototyping persistent storage filesystems for Network Memory Servers. Mr Spinthiras joined 8BELLS in Jan 2020 as CTO, where he is focused on Technology Strategy and Operations.

Anna Stavropoulou

Ms Anna Stavropoulou holds a BSc of French literature from the Aristotle University of Thessaloniki. She is currently working as an Administrative Secretary for 8BELLS.


Theodoros Kyrios

Theodoros Kyrios, MSc. Strategic professional and serial tech entrepreneur, with 15+ years of hybrid corporate and startup experience. Highly resourceful, flexible, innovative, and enthusiastic. Possessing experience of managing projects from beginning to end and leading diverse teams in the USA, EU and China. Additional experience in working for EU projects and public sector’s technology programs. Interdisciplinary and trusted executive, primed for success in a high demanding business design and development role. Experienced in project management (6σ Black Belt), and product development (Agile/Scrum, Design Thinking). Theodoros holds and MSc in Energy Management and Environmental Management Systems, from National Technical University of Athens and University of Piraeus, Greece.

Antri Antoniou

Antri Antoniou, MSc. An interdisciplinary, highly skilled, full-stack software engineer with more than 15 years of experience. She holds and MSc in Advanced Information Technologies with specialization in Machine Learning (ML) and BSc in Computer Science. In the Health and Wellbeing sector she has obtained Diplomas in Clinical Hypnotherapy (Essex, UK) and Psycho-biology of Health. Enjoyed a diverse career working for one of the largest Banks in Cyprus (ex Marfin Popular Bank LTD) from 2007 to 2013 in the IT department as Senior Programmer/DevOp/System Analyst, with constant evaluation ranking on the top 5% of the employees. Since 2013, she’s been working on various technology projects as a Senior Developer, Product Manager, Project manager and Entrepreneur.

N + 1

In addition to our team 8BELLS is facilitated by an experienced group of researchers.