Christos Koziaris is a Software Engineer, with postgraduate studies in Business Administration (Athens University of Economics and Business) and in Security and Risk Management (Leicester, UK). He is certified in Risk Control and Information Systems (CRISC) by the international organization ISACA, in which he has also been an active member of the Board of Directors in Greece since 2016. He is also certified Data Protection Officer (DPO, Data Protection Officer) by TUV Austria . He has been working in the field of informatics since 1987 (of which 16 years in Vodafone) in managerial positions, managing billing and production systems as well as risk management and assurance management. He has gained significant experience in e-business, in the development and management of software as well as hardware, in systems integration, in project and budget management, the optimization of processes and control mechanisms, etc. Finally, he has participated in regulatory framework compliance programs (SOX, ISOs, BCP, Information Security, Quality Management, GDPR, etc.) in private companies and public organizations. Today he works as a business consultant as well as an instructor, focusing mostly on data security issues and the GDPR 2016/679.