Spiros Tassis


Hellenic Association for Data Protection and Privacy


Spiros is an accomplished IT and Privacy lawyer/legal advisor with an LLM in TMT Law and more than 17 years of substantive knowledge and PQE. He is admitted at the Bar of Athens (Supreme Court) , he is an Associate of the Laboratory of Law and Informatics (LLI) of the Uni of Athens, Law School and member of the Hellenic Data Protection and Privacy Association.  

Spiros is also an Editor of the "Media and Telecommunications Law Review" since 2005, covering the TMT and Data Protection Law and co-author of the books “Fundamental Human Rights in Greece – Freedom of Expression and Press” (2017), “Personal Data – Analysis and Facts” (2016) and “Facebook, Blogs and Rights” (2012). His has also contributed with a “Legal Guide on Electronic Communications in Greece” to the Greek Law Digest (2012 and 2016). He regularly publishes articles related to ICT and Privacy and annotations on the CJEU and national case law. He is a visiting Lecturer in TMT and Privacy law and is regularly invited to talk as an expert in legal conferences. He is honored to have seen his articles cited in national case-law.

Spiros has an extensive in-house experience as a legal advisor to companies activated mainly at the TMT sector and currently works as an independent consultant with a broad client base.



Contributions by Spiros Tassis

  • GDPR and Privacy: Recent developments in the Greek market
    Speaker at Greece KnowledgeNet: 13 November 2019
  • GDPR Meta-Analysis
    Speaker at Greece KnowledgeNet: 17 April 2019
  • GDPR: The day after
    Speaker at Greece KnowledgeNet: 27 June 2018
  • Greece KnowledgeNet Chapter Gathering
    Speaker at Greece KnowledgeNet: 17 January 2018