Ioannis Tsiliras

Data & AI Transformation Director, Hellenic Telecommunications Organization (HTO)

Ioannis Tsiliras is the Data & AI Transformation Director at OTE, part of the Deutsche Telekom Group. With over 25 years of experience in Telecoms, Automotive, and FMCG, he has led major digital, commercial and CX initiatives. Ioannis is a business-oriented leader who now drives OTE’s AI-powered transformation to enhance the company’s growth. His past roles include management and engineering roles in STET Hellas (now NOVA), Jaguar Cars UK, and Weetabix UK. He holds degrees in Chemical Engineering, Statistics, and an MBA from Warwick.

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Ioannis Tsiliras OTE

Upcoming Sessions

Disrupt Lead AI Forum

October, 14, 2025
13:10 -
13:50 EEST
40' MINS
Reshaping Strategic Leadership in the Age of AI
[Panel Discussion] From Strategy to Execution: AI’s Role in Business Transformation
AI has moved from the realm of experimentation to becoming a core enabler of business transformation. This session will explore how Greek enterprises are translating AI strategies into tangible outcomes—reshaping operations, customer experience, and decision-making. Leaders who are driving AI adoption within their organizations will share insights on bridging the gap between ambition and implementation, overcoming internal resistance, and building sustainable, data-driven cultures.
Ioannis Tsiliras OTE
Ioannis Tsiliras
Data & AI Transformation Director, Hellenic Telecommunications Organization (HTO)
Yannis Rizopoulos
Yannis Rizopoulos
Journalist
Titan Logo
Titan's Representative
Expert in Digital Transformation Processes
Antonis Apergis
Antonis Apergis
Chief Information Officer, Generali Hellas
Evangelos Vagias
Evangelos Vagias
Technology Director, DEMO Pharmaceuticals

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