Tzeni has sound experience on EU General Data Protection Regulation (GDPR) compliance, data sharing and transfer, data breach response and ePrivacy Regulation. Prior to joining Pierstone she worked as Senior Lawyer at the European Court of Human Rights where she handled a range of delicate cases involving data retention, surveillance at workplace and massive exposure of taxation data. Prior to that she worked in Brussels for 10 years in developing big data management policies and contributed to evaluation of data protection policies at EU level.
She holds a Master of Laws degree in European Union Law from the College of Europe and she accomplished a Post-Master Research on International Law from the University of Bordeaux IV. She speaks fluently English, French, Italian, in addition to her native Greek.