Yiannis possesses broad expertise in both Greek and cross-border M&A transactions and privatisations, having been involved in a number of complex large-scale projects within these sectors since joining the firm in 2008. He also regularly advises domestic, as well as multinational clients, on concessions (particularly within the infrastructure sector), and has a strong record in energy and capital market transactions.

Yiannis was recognised as Cross-Border M&A Lawyer of the Year for Greece in the Lawyer Monthly Legal Awards 2025. He is ranked by Chambers Europe 2025 as an up-and-coming lawyer in Corporate / Commercial, described as “highly skilled” and offering “deep knowledge and high-quality advice”. He is also recognised as a Rising Star Partner for M&A by IFLR1000 2025 and as a Next Generation Partner for Projects and Privatisations by Legal 500 EMEA 2025.

Academic Background

  • University of Cologne, Law School (LL.M. in Business Law, 2005)

  • University of Cologne, Law School (LL.B (erstes Staatsexamen), 2004)

Languages

  • Greek
  • English
  • German

Professional Memberships

  • Member of the Athens Bar Association

Recognitions

  • Cross-Border M&A Lawyer of the Year – Greece (Lawyer Monthly Legal Awards 2025)
  • Chambers and Partners – Corporate and Commercial (Greece), Up and Coming
  • IFLR 1000 – M&A (Greece), Rising Star Partner
  • Legal 500 EMEA - Projects and Privatisations (Greece), Next Generation Partner

Career Highlights

Recent work includes advice to:

  • OPAP S.A. on its business combination with KKCG Group–backed Allwyn International AG;
  • Alpha Bank on the acquisition of Axia Ventures Group Limited;
  • ContourGlobal (a KKR company) on the acquisition of the Greek photovoltaic portfolio of Quest Energy (subsidiary of Quest Holdings);
  • Aegean Baltic Holding, on the acquisition of majority control over the credit institution Aegean Baltic Bank;
  • Ergon Foods in relation to its strategic partnership with Halcyon Equity Partners;
  • ABO Energy on the sale of their Greek RES portfolio of 1.5 GW to HELLENiQ Renewables (subsidiary of HELLENiQ ENERGY);
  • Ideal Holdings on the sale of Astir Vitogiannis to Guala Closures;
  • AviAlliance GmbH (member of PSP Investments Group) in connection with the IPO of Athens International Airport (AIA) on the Athens Stock Exchange and the acquisition of a controlling stake in AIA;
  • Sunlight Group (member of Olympia Group), as well as Olympia Group on the acquisition by Sunlight Group of 100% of Triathlon Holding;
  • Macquarie Asset Management on the acquisition of a 50% stake in Enel Green Power Hellas;
  • The shareholders of Platon School on the sale to International Schools Partnership (iSP);
  • Nexi Group on the acquisition of a majority stake in Alpha Bank’s merchant acquiring business;
  • NN Group on the acquisition of MetLife’s business in Greece;
  • SouthBridge on various investments concluded by its investment funds, including in the companies Biologiko Xorio, WebHotelier and primalRES, as well as the sale of its stake in Skroutz S.A. to CVC Capital Partners and Arivia Group to Upfield;
  • Macquarie Group on the acquisition of a 49% ownership interest in the Hellenic Electricity Distribution Network Operator (HEDNO).