This content is provided by Themistoklis Giannakopoulos.

Practice Areas

Telecommunications, media and technology (TMT)

Antitrust, competition & regulatory

Corporate & commercial

EU law


Themistoklis K. Giannakopoulos heads the TMT practice at Andersen Legal Greece.

A seasoned counsel and business consultant, with extensive international experience in compliance and regulatory affairs, and deep expertise in corporate law.

He brings along proven history of acting as general counsel for major global companies in diverse industries, uniquely efficient in bridging the fine line between the executive’s focus on sales and the board’s focus on risk-mitigation, praised thus for being extremely business-oriented.

His professional career demonstrates remarkably strong ability and proven history in coordinating successfully major projects (incl. mergers and acquisitions, joint ventures, antitrust/e-comms/GDPR and other compliance, public tenders, digital dividend auctions, market liberalizations, etc.). He has also proven multi-jurisdictional experience as Head of Legal and Regulatory in diverse countries and markets, representing clients before national and EU authorities, agencies and courts.

He advises clients in the following indicative sectors: e-communications, gambling, energy, banking, passenger shipping, tobacco, automotive, IT/software, constructions, retail,

He has extensive teaching/training experience, within academic/business environments

Professional Memberships

Athens Bar Association


Safeguarding Companies Rights in Competition and Anti-dumping/Anti-subsidies Proceedings, 2nd ed., 2011, Kluwer Law International