Ο Στρατηγός Δημήτριος Χούπης γεννήθηκε το 1965 στα Νέα Κερδύλλια Σερρών. Εισήχθη το 1983 στη Στρατιωτική Σχολή Ευελπίδων από την οποία αποφοίτησε το 1987 με τον βαθμό του Ανθυπολοχαγού Διαβιβάσεων. Ως τεταρτοετής Εύελπις (1986-1987) διετέλεσε Αρχηγός Αρχιλοχίας της Στρατιωτικής Σχολής Ευελπίδων.

Φοίτησε με άριστα και διακρίσεις σε όλες τις σχολές και τα σχολεία του όπλου του, επί διετία στη ΣΤΗΑΔ (Ραδιοηλεκτρολόγος Α΄) καθώς και στη Σχολή Πολέμου με διακεκριμένη φοίτηση. Εκπαιδεύτηκε σε Σχολεία Επιχειρησιακής Εξειδίκευσης του Όπλου και των Ειδικών Δυνάμεων τόσο στην Ελλάδα και στα αντίστοιχα του ΝΑΤΟ-Γερμανία (Περιπόλων Μακράς Ακτίνας Δράσης, Επικοινωνιών-Κρυπτογραφίας, Σχεδίασης Επιχειρήσεων Ηλεκτρονικού Πολέμου, Διαχείρισης Ανθρώπινων Πόρων). Είναι εν ενεργεία αλεξιπτωτιστής ελευθέρας πτώσης. Το 2012 επελέγη από το Ανώτατο Στρατιωτικό Συμβούλιο (ΑΣΣ) και φοίτησε στην Σχολή Εθνικής Άμυνας του ΝΑΤΟ (ΝΑΤΟ Defence College) (SC-121).

Κατά την διάρκεια της σταδιοδρομίας του, υπηρέτησε σε Μονάδες Διαβιβάσεων, Ηλεκτρονικού Πολέμου, Ηλεκτρονικής Επιτήρησης και Ειδικών Δυνάμεων. Υπηρέτησε επί τριετία ως Ομαδάρχης του Ειδικού Τμήματος Αλεξιπτωτιστών (ΕΤΑ). Ως επιτελής υπηρέτησε σε επιτελεία Σχηματισμών, Μειζόνων Σχηματισμών και στο ΓΕΣ. Ως Διοικητής υπηρέτησε επί διετία στο Λόχο ΗΠ του Δ΄ΣΣ (Ξάνθη), Διοικητής στο Λόχο ΔΒ της ΕΛΔΥΚ, Διοικητής ΔΒ της II Μ/Κ ΜΠ (Έδεσσα) και Διοικητής Μονάδας στο 472 Τάγμα Επιτήρησης-Πληροφοριών της ΑΣΔΕΝ (Μη Επανδρωμένα Αεροχήματα – UAV). Έχει υπηρετήσει επί τριετία στο Διεθνές Επιτελείο της Στρατιωτικής Αντιπροσωπείας της Ελλάδος στο ΝΑΤΟ στις Βρυξέλλες (2006-2009) ως Επιτελής Σχεδιασμού των Επικοινωνιών της Συμμαχίας στο Αφγανιστάν (ISAF) μετά την επιτυχή πιστοποίηση του ως Διαχειριστής Έργων ( Project Manager Practitioner) από το NATO, ως Επιτελάρχης της 80 ΑΔΤΕ «Κως» (Βόρεια Δωδεκάνησα) (2013-2014), Τμηματάρχης Τρεχουσών Επιχειρήσεων (ΓΕΣ/Α1) του ΓΕΣ (2014-2015) και ως Διευθυντής στο Επιτελικό Γραφείο του Α΄ Υπαρχηγού ΓΕΣ (Επιχειρήσεις-Αμυντική Σχεδίαση-Εκπαίδευση) (2015-2016).

Ως Ανώτατος Αξιωματικός (Ταξίαρχος) προήχθη το έτος 2016 και τοποθετήθηκε ως Δντης της Δνσεως Οπλιτών Θητείας του ΓΕΣ (2016-2017), Διοικητής Ταξιαρχίας της 80 ΑΔΤΕ «Κως» (Βόρεια Δωδεκάνησα) (2017-2018), Υποδιοικητής της Στρατιωτικής Σχολής Ευελπίδων (2018-2019) μέχρι και της προαγωγής του σε Υποστράτηγο. Το έτος 2019 προήχθη σε Υποστράτηγο και τοποθετήθηκε ως Διοικητής στη Στρατιωτική Σχολή Ευελπίδων, το 2020 ως Διοικητής Μεραρχίας της 95 ΑΔΤΕ «Διαγοριδών» (Νότια Δωδεκάνησα), όπου ήταν και Τακτικός Διοικητής Χερσαίων Δυνάμεων κατά τη διάρκεια των παράνομων δραστηριοτήτων του «ORUC REIS», και το 2021 ως Διευθυντής Ε΄ Κλάδου (Στρατιωτικών Πληροφοριών – Ασφαλείας) του ΓΕΕΘΑ.

Την 09 Μαρτίου 2022 προήχθη σε Αντιστράτηγο και τοποθετήθηκε ως Διοικητής της ΑΣΔΕΝ (Νήσοι Αιγαίου Αρχιπελάγους – Ανατολικής Μεσογείου – Κρήτη).

Την 17 Ιανουαρίου 2023 με απόφαση του ΚΥΣΕΑ, τοποθετήθηκε ως Διοικητής της Διοίκησης Ειδικού Πολέμου του ΓΕΕΘΑ.

Την 12 Ιανουαρίου 2024 και κατόπιν αποφάσεως του ΚΥΣΕΑ, ανέλαβε τα καθήκοντα του Αρχηγού του Γενικού Επιτελείου Εθνικής Άμυνας.

Κατά τη διάρκεια της σταδιοδρομίας του μέχρι και της επιλογής του ως Α/ΓΕΕΘΑ διήλθε όλα τα κλιμάκια Διοικήσεως, έχοντας συνολικά 22 έτη Διοίκησης. Τιμήθηκε με όλα τα προβλεπόμενα παράσημα, μετάλλια και διαμνημονεύσεις, καθώς και με τις πτέρυγες Αλεξιπτωτιστών 5 χωρών του ΝΑΤΟ.

Είναι Διδάκτωρ με άριστα του τμήματος Ηλεκτρολόγων Μηχανικών και Μηχανικών Η/Υ του ΕΜΠ στα Συστήματα Μετάδοσης της Πληροφορίας. Διαθέτει μεταπτυχιακούς τίτλους εξειδίκευσης στα αντικείμενα «Στρατηγική και Διπλωματία», στο «Στρατηγικό Σχεδιασμό και Διαχείριση Κρίσεων» καθώς και είναι απόφοιτος της 7ης Εκπαιδευτικής Σειράς (ΕΣ) μεταπτυχιακού προγράμματος σπουδών «δια βίου μάθησης» στο Ινστιτούτο Διαρκούς Επιμόρφωσης, υπό την αιγίδα του ΓΕΕΘΑ. Είναι τακτικό μέλος της Αεροπορικής Ακαδημίας. Στο επιστημονικό του έργο έχει δημοσιεύσει πλήθος επιστημονικών εργασιών, άρθρων, μελετών και ανακοινώσεων σε διεθνή περιοδικά και συνέδρια σε αντικείμενα της διδακτορικής του διατριβής, σε θέματα κρυπτασφάλειας (χαοτική κρυπτογραφία –fractals), στρατηγικής κυβερνοπολέμου και ειδικά θέματα Μη Επανδρωμένων Συστημάτων.

Ομιλεί την Αγγλική και τη Γαλλική. Είναι έγγαμος και έχει 3 τέκνα (1 θυγατέρα Κλινική Διαιτολόγο και 2 υιούς Αξιωματικούς των Ειδικών Δυνάμεων).

Ο Στέλιος Σακαρέτσιος είναι Γενικός Γραμματέας Μεταφορών. Στον σημερινό του ρόλο, στον τομέα της τεχνολογίας, έχει θέσει ως προτεραιότητα τον ψηφιακό εκσυγχρονισμό των εποπτευόμενων φορέων μεταφορών (ΟΣΕ, ΟΑΣΑ, ΟΣΥ, ΣΤΑΣΥ, ΟΣΕΘ, ΟΑΣΘ), με έμφαση στην αξιοποίηση των δεδομένων για τη βελτίωση του συγκοινωνιακού έργου.

Πριν αναλάβει τα σημερινά του καθήκοντα, διετέλεσε Πρόεδρος του Ελληνικού Κτηματολογίου (2023–2025), περίοδο κατά την οποία η κτηματογράφηση προχώρησε από 39% σε 65%, σημειώνοντας τη μεγαλύτερη πρόοδο που έχει καταγραφεί έως σήμερα. Κατά τη θητεία του, το Κτηματολόγιο αξιοποίησε για πρώτη φορά τεχνολογίες τεχνητής νοημοσύνης για την υποστήριξη της έκδοσης διοικητικών αποφάσεων, πρωτοβουλία που αναγνωρίστηκε διεθνώς ως case study της Microsoft.

Προηγουμένως, υπηρέτησε ως Προϊστάμενος Ψηφιακών Λειτουργιών στην Ελληνική Αναπτυξιακή Τράπεζα (HDB), συμβάλλοντας στην ανάπτυξη ψηφιακών λύσεων, όπως η πλατφόρμα «Know Your Customer», μέσω της οποίας διευκολύνθηκε η πρόσβαση χιλιάδων επιχειρήσεων σε χρηματοδότηση.
Πριν αναλάβει θέσεις ευθύνης στον δημόσιο τομέα, εργάστηκε για περισσότερα από 15 χρόνια στον ιδιωτικό τομέα ως σύμβουλος επιχειρήσεων, με αντικείμενο τον ψηφιακό μετασχηματισμό και την απλοποίηση διαδικασιών. Είναι απόφοιτος του Πανεπιστημίου Πειραιώς και κάτοχος μεταπτυχιακού στην Ψηφιακή Καινοτομία.

Ο Μιχαήλ Μπλέτσας είναι από τον Απρίλιο του 2024 Διοικητής της Εθνικής Αρχής Κυβερνοασφάλειας.
Είναι Ερευνητής και Διευθυντής Υπολογιστών στο Media Lab του MIT, όπου εργάζεται από το 1996. Είναι υπεύθυνος για την παραγωγή, μεταφορά, κατανάλωση και αποθήκευση δεδομένων. Υπήρξε μέλος της βασικής τεχνικής και σχεδιαστικής ομάδας της πρωτοβουλίας «Ένα Laptop για Κάθε Παιδί» (OLPC), η οποία δημιούργησε το πρωτοποριακό και βραβευμένο φορητό υπολογιστή «XO».
Τα ερευνητικά του ενδιαφέροντα περιλαμβάνουν την ασφάλεια δικτύων, την προστασία από τη συστηματική διασπορά ψευδών ειδήσεων, τα ασύρματα δίκτυα και την δημιουργία υποδομών υπολογιστών υψηλής απόδοσης για μηχανική μάθηση.
Τα τελευταία χρόνια έχει εκτεταμένη συμβουλευτική δραστηριότητα σε θέματα τεχνολογίας και τεχνολογικής πολιτικής.
Υπήρξε συνιδρυτής δύο εταιρειών, μέλος Διοικητικού Συμβουλίου και σύμβουλος σε πολλές άλλες.
Έχει υλοποιήσει δίκτυα ευρυζωνικής πρόσβασης χρησιμοποιώντας προηγμένες τεχνολογίες, συμπεριλαμβανομένων ενός από τα πρώτα συστήματα δοκιμών ADSL και διάφορων ασύρματων τεχνολογιών.
Είναι συχνά κεντρικός ομιλητής σε διεθνή συνέδρια και κοινωνικά φόρα. Κατέχει πτυχίο Ηλεκτρολόγου Μηχανικού από το Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης και μεταπτυχιακό τίτλο στη Μηχανική Υπολογιστών από το Πανεπιστήμιο της Βοστώνης.

Lt. Colonel Christos Kallonas is a cybersecurity professional specializing in cyberdefense and critical infrastructure protection. Since 2016, he serves as the Head of the Cyberdefense Department at the Ministry of Defence of Cyprus, where he leads efforts to implement cybersecurity strategies for safeguarding military information networks and supports national cybersecurity initiatives.

He is an active member of the Cyber ETEE Platform working group under the European Security and Defence College, contributing to international education and training initiatives in cybersecurity.

Mr. Kallonas holds a degree in Electronics and Telecommunications Engineering from the Hellenic Air Force Academy and an MSc in Electrical Engineering from the University of Cyprus. Throughout his career, he has gained extensive experience in maintaining and troubleshooting advanced radar and communication systems. Additionally, he has completed numerous cybersecurity training programs, focusing on areas such as organizational and defensive capabilities, information security management, enterprise resilience, and European cybersecurity challenges.

Currently pursuing a PhD in Cybersecurity at the Open University of Cyprus, his academic research focuses on education and skills development in the field, complementing his professional expertise.

Ο Γιάννης Παυλόσογλου είναι ειδικός στην κυβερνοασφάλεια με μεγάλη εμπειρία στη διαχείριση κινδύνων και τη διασφάλιση πληροφοριών. Από τον Οκτώβριο του 2024 είναι Επιχειρησιακός Υποδιοικητής της Εθνικής Αρχής Κυβερνοασφάλειας. Έχει εφαρμόσει διεθνή πρότυπα ασφάλειας (NIST, BSI, ISO) και ανθεκτικότητας.
Ιδρυτής της KIBERNA, υπήρξε CISO στην UBS και πρόεδρος του ISC το 2023. Επίσης, ηγήθηκε στρατηγικών έργων αλλαγής και ανθεκτικότητας στην UBS. Είναι κάτοχος PhD στον Σχεδιασμό Ασφαλών Πρωτοκόλλων και Πτυχίου Μηχανικής Υπολογιστικών Συστημάτων από το University of Warwick.

Dimitra Liveri is the Head of the Resilience of Critical Sectors Unit; primarily dealing with cybersecurity and resilience in all critical sectors as per NIS2 and monitoring the maturity increase through services development. Dimitra joined ENISA in March 2013 as a cybersecurity expert, focusing on policy implementation, security for cloud computing and cybersecurity for critical information infrastructures. She supported the numerous sectors in implementing of policy requirements and has very good knowledge of the cybersecurity policy ecosystem in the EU. She took over the role of the Awareness and Education Team Leader in 2020, during which she enhanced the flagship activity of the European Cybersecurity Skills framework (ECSF). She holds a MSc in Information Systems and Cybersecurity and BSc on Computer Science, from the Athens University of Economics and Business. She is a certified CISSP ISC2 professional, a SANS Awareness Professional and holds numerous professional certifications.

Markos Vasilikos serves as an Executive Director and member of the Board of Directors at HCDI S.A.

He is a retired Officer of the Hellenic Navy, having graduated at the top of his class from the Hellenic Naval Academy in 1981. After a 28-year career, he retired with the rank of Captain.

During his tenure in the Navy, he combined his expertise as an Engineer with leadership roles in major projects involving the procurement, construction, modernization, and repair of warships.

Notably, he served as Project Manager for the modernization of the submarine GLAFKOS at the Salamis Naval Base, achieving unprecedented results in terms of cost efficiency and timely completion - setting a benchmark for the era.

Following his Naval career, he transitioned to the private sector, where he held the position of General Manager in two shipping companies starting in 2006.

Since 2016, he has been a consultant to shipping, industrial, and commercial enterprises, offering strategic, organizational, business intelligence, and technical advisory services.

He holds two graduate degrees from the Massachusetts Institute of Technology (MIT): an Engineer’s Degree in Ocean Engineering (closely related to Naval Architecture and Marine Engineering), and an S.M. in Ocean Systems Management.

Stavros Avgoustides was appointed Ambassador of the Republic of Cyprus to the Hellenic Republic on October 2, 2023.

Additionally, on May 14, 2024, Mr. Avgoustides presented his credentials as Ambassador of the Republic of Cyprus to the Republic of Albania, with residence in Athens, and since March 6, 2025, he has also been accredited as Ambassador of the Republic of Cyprus to the Republic of Georgia, again with residence in Athens.

He was born in Nicosia in 1972 and is the son of the retired Lieutenant General Loukis Avgoustidis. He joined the Ministry of Foreign Affairs of the Republic of Cyprus in 1998 and has since served in various diplomatic missions abroad as well as at the headquarters of the Ministry of Foreign Affairs, representing his country at both bilateral and multilateral levels.

During his diplomatic career abroad, he served as Ambassador in Riyadh, Kingdom of Saudi Arabia (2019–2023), Ambassador in Sofia, Bulgaria (2014–2018), General Consul in Toronto, Canada (2009–2011), Chargé d’Affaires a.i. in Sofia, Bulgaria (2006–2009), Consul in Athens, Greece (2002–2006) and Deputy Head of Mission / Consul in Damascus, Syria (1999–2002).

At the Ministry of Foreign Affairs in Nicosia, he served in both the Protocol and Consular Affairs Divisions (1998-1999 and 2001-2014), in the EU Affairs Division (2001-2002) and as Head of the Middle East Department in the Middle East and Africa Division (2018-2019).

During Cyprus’ Presidency of the European Council (2012), he successfully chaired the European Council’s Working Group on Counsular Affairs (COCON).

In July 2018, Mr. Avgoustides was bestowed by H.E. the President of the Republic of Bulgaria Rumen Radev with the Order of the Madara Horseman – First Class, for his significant contribution to the establishment, strengthening and development of bilateral relations between Cyprus and Bulgaria, as well as for his efforts and support in raising awareness and funds for local and international charity organizations assisting children in Bulgaria.

In September 2018, the Mayor of Sofia, Yordanka Fandakova, awarded him the “Coat of Arms of the City of Sofia” for his contribution to strengthening bilateral cultural relations, his involvement in the cultural life of the Bulgarian capital, and for promoting culture and creativity.

Mr. Avgoustidis is holder of an MBA from the University of Reading, UK (Henley Business School), a MA in International Relations and European Studies from the University of Kent, UK (London Center of International Relations), and a BA in Political Science and Economics from Arizona State University, USA.
He is married to Mrs. Daniela Ioannidou and has two children.

Senior career diplomat. He served as Deputy Director General of Public Diplomacy at the Ministry of Foreign Affairs of Israel before assuming his duties in Athens.

An expert in Israel's strategic communication and public diplomacy in the world.
Born in Jerusalem in 1964, he was a teacher at Kibbutz Cambri. He is married and has three children.
Mr. Noam Katz serves as Israel's Ambassador to Greece since September 2022.

After a 4 years’ period working for an Oil & Gas Company in the IT & Security domains, Panagiotis joined EY in 2008.
He is highly experienced member within EY’s Consulting Practice, specializing in Technology services and Cyber Security. He has more than 20 years of experience in IT and Cybersecurity services on various industries including Financial Services, Energy, Consumer, Telecommunications, and Government & Public Sector.
He is the CESA (Central, Eastern and Southeastern Europe & Central Asia) Cybersecurity Services Leader, the EY EMEIA Microsoft Cloud Security Leader and the EY Microsoft Alliance Leader in Greece.
He holds a BSc degree in Informatics, a MSc degree in Information System from Athens University of Economic and Business, while he is CISSP, CDPSE, and CISA certified.
He is a frequent speaker in conferences, and business events, while he an occasional lecturer at the Athens University of Economics and Business.

Ο Γεώργιος Νούνεσης είναι Εταίρος στην EY Ελλάδος, Συμβουλευτικές Υπηρεσίες, φέρνοντας εκτενή εμπειρία και έντονο ενδιαφέρον για τις Αναδυόμενες Τεχνολογίες και την Αμυντική Καινοτομία. Προεδρεύει του Εθνικού Συμβουλίου Έρευνας, Τεχνολογίας και Καινοτομίας της Ελλάδας.
Κατείχε διάφορες ηγετικές θέσεις κυρίως στον δημόσιο τομέα. Υπηρέτησε ως Διευθυντής και Πρόεδρος του Διοικητικού Συμβουλίου του Δημόκριτου για πάνω από οκτώ χρόνια, όπου ηγήθηκε της βαθιάς μεταμόρφωσης του μεγαλύτερου ερευνητικού κέντρου της Ελλάδας. Υπήρξε επίσης πρόεδρος της Συμβουλευτικής Επιτροπής του Γενικού Γραμματέα του ΝΑΤΟ για τις Αναδυόμενες και Ρηξικέλευθες Τεχνολογίες και υπηρέτησε ως Μέλος του Διοικητικού Συμβουλίου του Ελληνικού Κέντρου Διαστήματος.

Dr. Darren Hayes, Associate Professor, is the Founder and Director of the Pace University Digital Forensics Research Lab. At Pace, he also serves as Director of Cybersecurity, is a Faculty Fellow, and Chair- elect, Executive Committee, New York Faculty Council.

In 2023, he was presented with the President’s Award for Outstanding Contribution, at Pace University. During his time at Pace, he has been co-principal investigator on close to $7 million in federal grants related to cybersecurity.

He proudly serves as Academic Adviser for the Student Veterans Associate at Pace. Hayes has been listed as one of the Top 10 Computer Forensics Professors, by Forensics Colleges. He has been a visiting professor at Sapienza University, Rome, Italy, University College Dublin, and New York University.

He frequently presents at conferences and workshops worldwide on topics ranging from cybersecurity, compliance and corporate governance, threat intelligence, OSINT, digital forensics, and cell site analysis. He frequently appears in the media, including CNBC, Bloomberg TV, MSNBC, Fox Business, NPR, and in print publications, including The Washington Post, Japan Times, Wall Street Journal, SC Magazine, Investor’s Business Daily, USA Today, The Guardian (UK), The Times (UK), to name but a few.

Hayes is an accomplished author with numerous peer-reviewed publications on digital forensics, threat intelligence, and cybersecurity. In late 2020, he published the second edition of “A Practical Guide to Digital Forensics Investigations” and his sixth book was published in 2024, “CISSP Certification Guide”. Hayes has served as a subject matter expert for both criminal and civil investigations and has been declared an expert witness in federal court. He has also conducted OSINT training for law enforcement agencies both domestically and internationally.

He has been a consultant for the New York Department of Education, New York County District Attorney, and the National Crime Agency (UK). For several years, he was also the Federal Bureau of Investigations Academic Alliance Coordinator. He is the recipient of the 2020 Homeland Security Investigations New York Private Sector Partnership Award. In 2024, he was awarded International Digital Investigation Award, by Homeland Security, U.K. Hayes is a frequent guest speaker, both domestically and internationally.

He has frequently been invited to discuss the intersection of cybersecurity and compliance, risk, and privacy. Hayes has a B.A. (Hons) in History from University College Dublin, an HDBS from the UCD Michael Smurfit Graduate Business School, an MSc in Information Systems from Pace University, a Doctorate in Computing from Pace University, and a Doctor of Philosophy in Industrial Engineering from Sapienza University, Rome, Italy.

Captain (Eng.) (Ret.) Spyridon Papageorgiou of the Hellenic Navy has served as Director of the E5 Directorate (Cyber Defense Directorate) at the Hellenic National Defense General Staff. He also held the position of Director of the Joint Cyber Defense Operations Center and, at the national level, was Director of the National Response Team responsible for cyberattacks targeting critical national infrastructure.

He is a graduate of the Hellenic Navy School of Information Technology and the Athens University of Economics and Business, and he holds a Master’s degree in Computer Science. With more than twenty-four years of experience in cybersecurity and cyber operations, he has earned multiple GIAC (Global Information Assurance Certification) credentials, including Incident Handling, Reversing Malware, Web Application Penetration Testing, Network Penetration Testing, Firewall Analysis, and Digital Forensics. He has extensive expertise in organizing cyber defense exercises.

Since 2009, he has participated in NATO’s “Cyber Coalition” exercise, and between 2014 and 2017 he was a member of the Red Team in the large-scale cyber defense exercise “Locked Shields.” In 2016, he also took part in the “Crossed Swords” exercise organized by the NATO Cooperative Cyber Defence Centre of Excellence in Estonia.

At the national level, he was responsible for organizing the annual National Joint Cyber Defense Exercise “PANOPTIS.” He has been a regular lecturer on cyber operations at the Hellenic National Defense School and the Supreme Joint War College.

His academic contributions include teaching at the University of Piraeus, the University of West Attica, and the Cyber Defense School, where he has delivered courses on Penetration Testing and Red Teaming, Windows and Linux Security, Live Response, Incident Handling, and System Forensics for both Windows and Linux environments. He is also a graduate of the International Visitor Leadership Program (IVLP) of the U.S. Department of State.

Nikos Tsagkarakis is CEO and founder of CENSUS, a globally recognized cybersecurity company delivering high-impact security solutions to enterprise clients across the Americas, Europe, and the Middle East. With over two decades of experience in cybersecurity, Nikos is known for his strategic insight into cyber risk, advanced security technologies, and building high-performance technical teams.

Since founding CENSUS, Nikos has led the company from its startup roots to an internationally operating organization, grounded in his core principles of hacking acumen, scientific depth, ethical leadership, and professionalism. His vision continues to shape the company's mission to protect and empower organizations in an increasingly complex digital world.

Nikos holds a bachelor's degree in informatics from the University of Piraeus, when not engaged in cyber and tech, he enjoys spending quality time with his family and is an avid runner.

General (ret.) Angelos Choudeloudis served as Chief of the Hellenic Army General Staff, completing 42 years of service at national and international levels. He has commanded large operational formations, including the 1st Army/EU-OHQ and the IV Army Corps, managing critical national and geopolitical challenges, the most significant being the response to the violent attempt by thousands of illegal migrants to enter Greece in 2020 at Evros. As Director of Intelligence and Security at the Hellenic National Defence General Staff (HNDGS), he coordinated the information handling of the ORUC REIS crisis in the summer of 2020, and headed the Cyber Defense Directorate and the first SOC of the Hellenic Armed Forces, laying the foundations for modern defensive digital capabilities. He served as Defense Attaché in China, Japan, and South Korea, strengthening partnerships in technologically advanced environments. He holds a Master’s degree in Business Administration, has excellent command of English, and has been honored with high international distinctions, including the French Legion of Honour.

Apostolos Pandroulas is a highly experienced professional with over 25 years of expertise in directing and managing business strategy, operations, and customer experience across various organizations. He is a strong advocate of change management, dedicated to helping organizations adapt to new challenges by enhancing processes, nurturing talent, and fostering customer loyalty. Currently, he serves as the General Manager at Odyssey Cybersecurity, where he offers valuable insights and guidance to organizations striving for cyber resilience in the Digital Era. In his extensive career, Apostolos has held numerous leadership positions in diverse organizations spanning Greece, the Middle East, and the USA. He holds Bachelor of Engineering (BEng) degree from the University of Birmingham and holds a MSc in Data Communications from the University of Central England.

Alexander is a computer engineer with a career spanning the defense sector in Greece and internationally. He brings expertise in cybersecurity, wargaming, and modeling & simulation, and has held key roles in technical, sales, and business development domains. His experience includes leading multidisciplinary teams and driving strategic growth initiatives, blending deep technical knowledge with strong operational and managerial leadership.

Dimitris Stavropoulos is an experienced Cyber Security and Risk Management professional with nearly 25 years in the industry. Since September 2023, he has served as the Group CISO of Alpha Bank. Prior to this, Dimitris spent 19 years in the United Kingdom, where he held various leadership roles in Cyber Security across all three lines of defense. His primary focus has been within Financial Services, though he also has experience in sectors such as Healthcare and Telecommunications.
Dimitris has a proven track record in leading transformation programs and establishing new teams from the ground up. His work emphasizes the importance of robust security controls that enable organizations to serve their customers without interruption while safeguarding critical data. He has previously worked with major organizations including IQVIA,HSBC, and Barclays Bank.

Dr. Charalambos Klitis is a senior researcher and R&D leader with expertise bridging AI, cybersecurity, and nanoscale engineering, currently serving as an R&D Senior Project Manager at eBOS Technologies Ltd, driving innovation in 5G/6G, IoT, cybersecurity and quantum technologies within European-funded research projects, as head of the company's AI and Cybersecurity team. Before joining the industry, Dr. Klitis was a Postdoctoral Research Associate at the University of Glasgow, where he pioneered work on III-V/Si heterogeneous integration, polarisation-selective photonic devices, quantum technologies and orbital angular momentum (OAM) communication. His PhD, also from the University of Glasgow, focused on the design and fabrication of silicon photonic devices. With over 30 peer-reviewed journal publications and an h-index of 18, Dr. Klitis combines deep scientific expertise with hands-on management of complex R&D programmes. His multidisciplinary background enables him to bridge nanophotonics research and AI-driven network innovation, promoting scalable, energy-efficient, and secure future technologies.

Ms. Vassiliki Kazazi is the Managing Director of TÜV NORD Hellas.

She joined the organization in 2005, taking on roles with increased responsibility in the Certification sector. She has worked as a Chief Management Systems Inspector, as a Quality Manager for the company’s accreditation in the areas of inspection and certification, and as Head of the Certification Department.

At the same time, at an international level, she served as Senior Vice President of TÜV NORD Group for the development of the agri-food sector in Southeastern Europe and holds the position of Head of BE Mediterranean, with responsibility for the strategic development of certification activities in the Mediterranean region.

She is a graduate of the School of Science of the University of Athens and has attended specialized programs in Food Chain Management at Imperial Wye College.

Panagiotis Soulos is an Information Security GRC Senior Manager leading Governance, Awareness, ICT Risk Management, and Business Continuity activities for all Viohalco Companies. He has more than 19 years of professional experience in IT and Information Security, mainly in the Financial sector. Panagiotis holds an MSc in Information Security from Royal Holloway, University of London and leading professional certifications in information security, privacy and auditing, such as CISSP, CCSP, CIPM and COSO IC. In 2023, he got awarded with the ISC2 GAA Center's Outstanding Volunteer Award for his various volunteering activities and has been recognized as one of the 50 most influential in-house cybersecurity professionals in Greece. Through these activities, Panagiotis has greatly increased the soft skills that make him a distinguished and well-recognized professional. Since 2023, he is actively acting as a mentor for Women4CyberGR and Sistech.

Mike Mingos is an entrepreneur, Keynote Speaker, IT Strategy Consultant with focus on Cyber Security, Data Recovery, Cryptocurrencies and Artificial Intelligence. He is co-founder of TicTac Data Recovery, TicTac Cyber Security & CyberX.

In TicTac he has the role of Cofounder & Chief Operations Officer and he oversees all operations of the company and the marketing and he is head of the Ransomware Negotiations.

He maintains his personal blog in MikeMingos.gr and his Youtube Channel. He is an IT professional since 1996 and he has held several technical related positions such as IT Administrator, Software Development Project Manager, Web Designer, Copywriter, founder of IT and Web Design companies before he dives in the Data Recovery and Cyber Security field and the Blockchain as a Cryptocurrency Consultant. Since 2003 he has been Keynote Speaker in Universities and other organizations talking about Entepreneurship, Cyber Security and Cryptocurrency. His academic background includes a Bachelor Degree in Computer Science, Elecrical Engineering and an MSc in Information

As Group COO and Executive Committee member at Piraeus Bank, Harry Margaritis oversees IT, Data & Analytics, Digital Banking, Operations, and support functions, driving operational excellence and efficiency. He is committed to delivering superior customer experiences through innovation, automation, and streamlined processes.
A recognized leader in Artificial Intelligence, Digital Banking, IT Strategy, Cloud, and Enterprise Architecture, Harry has successfully led major digital transformations and delivered hundreds of large-scale projects. Previously, as Group Chief Information and Digital Officer at Piraeus, he spearheaded the bank’s digital transformation. At Commercial Bank of Dubai, his initiatives doubled the customer base and profits, while at Eurobank he established a robust IT architecture across eight countries.
Harry holds an MSc in Communication Networks and a BSc in Physics and is a published researcher in Information Security.»

Dimitrios Giannis is a high-impact technology leader with over 16 years of specialized experience driving digital evolution within the hospitality sector. As the IT Director for Electra Hotel Group, he serves as the chief architect of the group's technological strategy, managing an extensive portfolio of implementations that bridge the gap between complex infrastructure and premium guest experiences.
With an academic background in Engineering with Technology Management, Dimitrios brings a systematic, industrial-grade precision to the hospitality landscape. His career is defined by a proven track record of delivering large-scale, mission-critical projects for global organizations such as MHI, Holset, TWI, and Cummins.
At the summit, Dimitrios offers insights into the realities of scaling digital ecosystems across multi-property portfolios. He is dedicated to leveraging technology not just as a tool, but as a strategic asset that ensures operational excellence and future-proofs the hospitality industry against a rapidly changing digital environment.

Eylam Tamary is a seasoned cybersecurity and intelligence leader with over 25 years of international experience. He currently serves as Director of the Cyber Security & Intelligence Business Unit at Sysnet Srl, where he drives strategic initiatives in threat intelligence, incident response, and proactive cyber defense. Previously, Eylam co-founded and led TAG Distribuzione, an Italian-Israeli cybersecurity distribution and solutions firm, supporting system integrators and enterprises in adopting cutting-edge cyber defense technologies.

He is widely recognized for his expertise in building high-performing security ecosystems, launching innovative products into new markets, and shaping eƯective security strategies for complex environments. Eylam is also an active speaker and thought leader in the global cybersecurity community.

Bill Karnazes is Member of the Viohalco’ s Executive Committee. COO & General Manager of Corporate Services for Viohalco companies. He is responsible for the Group’s operational areas of International Business Operations, Marketing, Communications, European Affairs, Sustainability (ESG), Energy Management, Metals & Central Procurement, Supply Chain & Logistics, Operational Excellence, Information and Security Technology, and Corporate Human Resources. He is also President of TEKA Systems, a Viohalco subsidiary, recognized as one of the leading Business Solutions providers of IT services and is one of the largest SAP consulting companies across Southeast Europe.

He previously served as Vice President of Global Business Operations for Qualcomm Incorporated. He was responsible for Global Business Operations activities within Qualcomm’s semiconductor business unit. He has held several executive-level positions at Qualcomm over the last 24 years.

George Diamantopoulos is the OTE Group Security Officer. With over 20 years of experience in cyber security, from his current position George and his team are responsible for Cyber Security, Physical Security and Business Resiliency. Apart from taking care of OTE Group internal security needs, George has to make sure that the Security Services that OTE is offering to customers meet their expectations and that the security portfolio adequately covers their needs.
George possesses two master's degrees (an MSc in Computers & Electronics Engineering and an MBA in Economics of Technical Systems).

Ο Κωνσταντίνος Βουζόπλης είναι επικεφαλής του τομέα κυβερνοασφάλειας της Accenture στην Ελλάδα. Στο πλαίσιο του ρόλου του υποστηρίζει μεγάλους οργανισμούς σε όλους τους κλάδους της οικονομίας προσφέροντας ένα μεγάλο φάσμα υπηρεσιών και λύσεων που εκτείνονται από τη στρατηγική κυβερνοασφάλειας και την προληπτική διαχείριση κινδύνων έως την ψηφιακή ταυτότητα και την κυβερνοάμυνα. Συνολικά, ο Κωνσταντίνος διαθέτει περισσότερα από 17 χρόνια συμβουλευτικής εμπειρίας σε σύνθετα τεχνολογικά έργα στην Ελλάδα και το εξωτερικό.

Είναι κάτοχος BSc in Computer Networking από το Πανεπιστήμιο του Greenwich και MSc in Cybersecurity and Management από το University of Warwick.

Mr. Georgakopoulos is a Cybersecurity Executive with over 25 years’ experience leading global information security programs at major financial institutions. He currently serves as Chief Information Security Officer at Pfizer and is recognized for his expertise in cybersecurity leadership, incident response, and advising executives, boards, and regulators. He has managed complex breaches, coordinated with law enforcement, and presented at industry events such as RSA and ISACs.
In academia, he developed a top cybersecurity curriculum at Fairfield University, taught as an adjunct at Sacred Heart University, and helps build programs at other institutions, including Quinnipiac University where he serves as a Board advisor. His previous global CISO roles include positions at Mondelez, Citigroup, Deutsche Bank, Bank of China, NASDAQ, UBS, and Procter & Gamble, where he led responses to large-scale security incidents and collaborated with agencies to address national security threats.

Dr. George Konnis is the Managing Director of CYNET, (Cyprus Research and Academic Network), Head of the Cyprus Academic Computer Security Incident Response Team (CYNET-CSIRT) and Member of the Board of Directors, GÉANT Association (GÉANT)

He received his Diploma in Electrical & Computer Engineering from the National Technical University of Athens (NTUA) in 1992 and his Ph.D. in Electrical & Computer Engineering in 1998 from the same institution, where he worked as a Researcher, Research Scientist and Research Assistant Professor at the Institute of Communication and Computer Systems from 1992, 1998 and 2003 respectively.

During his career Dr. Konnis has been an associate with various IT companies in a variety of roles such as Senior Project Manager, Software Development Team Leader, Senior IT Consultant, Director of Training. He has extensive experience as a project manager and software team leader in national-level public institutions’ supply, installation, pilot operation, and maintenance projects. He has published 34 scientific papers in international journals and conferences. He has been active in numerous European R&D programmes in the field of Information Technology and was the principal investigator in several European and national research programmes. He is also a Marie Curie fellow.

Prof. George Spanoudakis is the Founder and CEO of Sphynx, a developer of cutting-edge cybersecurity technologies and service provider in the areas of managed security, cyber threat intelligence, incident response, training and certification.
Before undertaking the management of Sphynx in 2022, he was full time professor at City, University of London (2006 to 2022) specializing in software systems security. He had also held various senior management positions at City, University of London and was a member of the Council of the University of Piraeus (2013-2017) a body responsible for the strategic management and oversight of the University’s planning.

Michalis Moraitis is a founding member and has served on the Board of Directors of the Euro.Digital organization in Brussels, a member of the Board of Directors of the European CIO Association in Brussels, a founding member and Vice President of the Hellenic CIO FORUM, and Chair of the Hellenic Institute of Informatics and Telecommunications of the Hellenic Management Association (EEDE). He also serves on the Board of Directors of the Hellenic Management Association (EEDE) and is a member of the Board (General Secretary) of the ITSMF Greece chapter. In addition, he is a member and the Southern Greece representative of EDEVE (Society for Business Administration of Northern Greece).

He has more than three decades of experience as an executive in the Greek and international IT market and a proven track record of achieving strategic objectives and designing transformation and business optimization initiatives aimed at restructuring organizations with operational challenges or driving Digital Transformation. He has successfully managed numerous large-scale, multi‑million‑euro projects and has been recognized with multiple honors and awards for his work.

He is currently the Chief Executive Officer (CEO) of Actus Valida and Humanus Capitis, a specialized consultancy firm focused on business, digital and information transformation in a global environment, as well as Executive Search & Selection of human capital.

He also possesses extensive expertise in IT and large-scale program delivery and is regarded as a visionary CIO in the areas of digital transformation and strategic planning. He has held various senior roles in the consulting sector at Andersen Consulting/Accenture and Ernst & Young, while also serving extensively in the commercial sector (automotive, retail and wholesale, e‑commerce, apparel, healthcare and services) for organizations such as Nissan, Yokohama Tires, Deutz Fahr Greece, MINETTA Insurance, HYGEIA Hospital, koolfly.com, Digibridge GmbH, the Euro CIO Association (Brussels), and others.

Michalis Moraitis has previously served as a lecturer at the University of Indianapolis and at other international universities and institutions. He is also a member of the jury panels for the Business Excellence in IT Awards, the e‑Volution Awards, the Tourism Awards, and similar competitions. He is married and has twin daughters.