Christos Gizelis

Principal Innovation Analyst

OTE Group of Companies

Athens, Greece

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His research interests include AI, Big Data, communication networks, innovation management, and digital transformation.

My organisation

OTE Group of Companies

OTE Group of Companies

Industry / Large Enterprise

Athens, Greece

Hellenic Telecommunications Organisation S.A. (OTE Group) is the largest technology company in Greece. It is one of the three largest companies listed in the Athens Stock Exchange, according to market capitalization. OTE Group offers fixed-line and mobile telephony, broadband services, pay television and integrated Information and Communications Technology (ICT). At the same time, the Group is involved in a range of activities, notably satellite communications, real-estate and professional training. Formerly a state-owned monopoly, OTE's privatisation started in 1996 and is now listed on the Athens and London Stock Exchanges. Today, OTE Group employs about 13,000 people in Greece and approximately 20,000 in total. Since July 2009 Deutsche Telekom is the largest shareholder of the company.
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About me

Dr. Christos Gizelis holds a B.Sc. in Electronic Engineering Technology from Wentworth Institute of Technology (1995), a Postgraduate Diploma in Telecommunications and Information Systems from the University of Essex (1996), and a Ph.D. from the University of the Aegean (2009), focusing on wireless broadband network management.

His research interests include AI, Big Data, communication networks, innovation management, and digital transformation. Since 1998, he has contributed to numerous EU and nationally funded research projects and has published in journals, conferences, and books.

He has worked as a computer engineer and ICT consultant in the private telecom sector and is a certified adult trainer in ICT/Telecoms. Since 2017, he has been with the OTE Group’s IT Innovation Center, currently serving as Principal Innovation Analyst.

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Call topics of interest

Which of the call topics are you / your organisation interested in?

HORIZON-CL4-2025-03-DATA-13: Fostering Innovative and Compliant Data Ecosystems HORIZON-CL4-2025-03-DIGITAL-EMERGING-07: Robust and trustworthy GenerativeAI for Robotics and industrial automationHORIZON-CL4-2025-03-HUMAN-18: GenAI4EU central HubHORIZON-CL4-2025-03-HUMAN-17: Specific support for the Virtual Worlds Partnership and the Web 4.0 initiativeHORIZON-CL4-2025-03-HUMAN-14: Core technologies for virtual worldsHORIZON-CL4-2025-04-DIGITAL-EMERGING-07: Enhanced Learning Strategies for General Purpose AI: Advancing GenAI4EUHORIZON-CL4-2025-04-DIGITAL-EMERGING-05: Soft Robotics for Advanced physical capabilities HORIZON-CL4-2025-04-DATA-03: Software Engineering for AI and generative AI HORIZON-CL4-2025-04-DATA-02: Empowering AI/generative AI along the Cognitive Computing continuu