AI & responsible innovation
Applying emerging technology with strong foundations, clear business relevance, and responsible governance.
Banking · Technology · Transformation
Harry L. Margaritis
Executive General Manager &
Group Chief Operating Officer at Piraeus
Leading operational excellence at the intersection of technology, data, digital banking, and customer experience.
Artificial Intelligence
Digital Banking
Enterprise Architecture
Operational Excellence
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About
Turning complex transformation into clear, durable progress.
As Group Chief Operating Officer, Executive General Manager, and a member of the Executive Committee at Piraeus, I lead operational excellence across IT, Data & Analytics, Digital Banking, Operations, and support functions.
My focus is on building resilient, intuitive, and increasingly automated services—so teams can spend more time serving customers and improving how the organization works.
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Focus
Where strategy meets execution
Areas of focus
Digital banking & experience
Designing seamless, personal, and streamlined services around real customer needs.
Technology strategy
Connecting cloud, enterprise architecture, data, and software engineering to long-term business outcomes.
Operational excellence
Building resilient, automated operations that continuously improve quality, efficiency, and performance.
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Experience
A career built on transformation at scale.
From architecture and technology leadership to enterprise-wide operations, the thread has remained constant: combining strategy with delivery.
Executive General Manager & Group Chief Operating Officer
Leading operational excellence across technology, data, digital banking, operations, and support functions.
Group Chief Information & Digital Officer
Led the technology organization and Digital Banking division, driving the bank’s comprehensive digital transformation.
Chief Information Officer
Helped drive a major digital transformation that contributed to strong, sustained customer and profit growth.
Head of Group IT Architecture
Established the blueprint architecture for international subsidiaries across eight countries and led a global team.
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Beyond the role
Research, ideas, and the human side of change.
Research
Published work in information security
Research on security strategies for web environments and electronic transactions.
Education
Networks & physics
MSc in Communication Networks and BSc in Physics—foundations for systems thinking at every scale.
Speaking
Human-centered transformation
Sharing practical perspectives on AI, digital transformation, leadership, and the future of financial services.
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