Ioanna Markati is an associate within our leading competition & antitrust team. Ioanna advises clients on competition law matters across a range of sectors and business practices.

She has experience in legal research on Greek and European law issues, in document drafting as well as in procedures before administrative authorities and litigation before courts.

Before joining Lambadarios, Ioanna worked at the legal department of Piraeus Bank S.A. for two years and at the Hellenic Competition Commission (HCC) for one year. She has also been involved in competition capacity-building programs in cooperation with international organisations.

Areas of expertise

Notable Antitrust & Competition cases


  • Advised a Greek subsidiary of a multinational group active in the agrochemicals sector, in the ex-officio investigation initiated by the Hellenic Competition Commission (HCC) regarding alleged infringements related to abuse of dominance and/or restrictive vertical agreements.
  • Advised DEPA Commercial S.A., the public gas corporation, on the creation of a joint venture in the commercialization of SSLNG and the submission to the Hellenic Competition Commission (HCC) of a respective merger clearance.
  • Athens Bar Association
  • Greek
  • English
  • German
  • LLM in Industrial Property & Competition Law, School of Law, University of Athens (2020)
  • LLB, School of Law, Democritus University of Thrace (2018)
  • Translation of the article: “The possibilities and limits of privatisations on infrastructures in the case of federal motorways”, To Syntagma 2/2018, pp. 537-551, Author: Pr. Christian Bickenbach, University of Potsdam (original: in German, translation: in Greek)

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