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BOARD OF DIRECTORS CEO COMPLIANCE OFFICER EXECUTIVE OFFICE CORPORATE AFFAIRS & COMMUNICATIONS DEPARTMENT 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 DIGITALIZATION GENERAL MANAGER OF NETWORK DEVELOPMENT AND MANAGMENT 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 & FACILITIES MANAGEMENT DEPARTMENT 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 ATTICA REGION DEPARTMENT DEPARTMENT OF MACEDONIA-THRACE REGION DEPARTMENT OF PELOPONNESE-EPIRUS REGION CENTRAL GREECE REGION DEPARTMENT ISLANDS REGION DEPARTMENT GRID OPERATIONS DEPARTMENT DEPUTY CEO OF NETWORK CORPORATE RISK MANAGEMENT UNIT STANDARDIZATION & DIZITALIZATION PROCESSES DEPARTMENT