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BOARD OF DIRECTORS CEO COMPLIANCE OFFICER EXECUTIVE OFFICE INTERNAL AUDIT DEPARTMENT GENERAL COUNSEL GENERAL MANAGER OF STRATEGY AND TRANSFORMATION GENERAL MANAGER OF FINANCE GENERAL MANAGER OF HUMAN RESOURCES AND ORGANIZATION GENERAL MANAGER OF SUPPLY CHAIN AND DIGITAL GENERAL MANAGER OF NETWORK DEVELOPMENT AND OPERATION LEGAL DEPARTMENT STRATEGY AND TRANSFORMATION DEPARTMENT RESEARCH & INNOVATION DEPARTMENT REGULATORY AFFAIRS DEPARTMENT BUDGET AND CONTROL DEPARTMENT ACCOUNTING & TAX DEPARTMENT CASH FLOW (TREASURY) DEPARTMENT HUMAN RESOURCES DEPARTMENT HEALTH AND SAFETY DEPARTMENT PREMISES UNIT MATERIALS, PROCUREMENT & TRANSPORTATIONS DEPARTMENT INFORMATION TECHNOLOGY & DIGITALIZATION DEPARTMENT DATA PROTECTION & INFORMATION SECURITY DEPARTMENT BUSINESS ANALYTICS & DATA MANANGEMENT DEPARTMENT NETWORK USERS DEPARTMENT ISLANDS NETWORK OPERATION DEPARTMENT NETWORK DEPARTMENT NETWORK MAJOR INSTALLATIONS DEPARTMENT MONITORING OF SUBSIDISED NETWORK PROJECTS DEPARTMENT DEPARTMENT OF ATTICA REGION DEPARTMENT OF MACEDONIA-THRACE REGION DEPARTMENT OF PELOPONNESE-EPIRUS REGION DEPARTMENT OF CENTRAL GREECE REGION DEPARTMENT OF ISLANDS REGION GRID OPERATIONS DEPARTMENT DEPUTY CEO OF NETWORK