Yiannis Leos Partner, Financial Services Athens +30 210 7280 000


Yiannis is Partner in Grant Thornton Greece. He joined the firm in 1998 and currently he is one of the responsible Partners for Financial Services in Greece.

He has vast experience in providing assurance and advisory services in a variety of entities in the private or public sector as well as in the financial sector. He has vast experience in financial management and strategic business planning mainly in the financial sector. His main experience in the financial sector relates with AQR, DD, financial audits, portfolio valuations, M&A and in feasibility studies. He has a profound knowledge of ISA and IFRS; excellent knowledge of Greek Accounting Standards, Financial Reporting and Greek Tax regulations. He also possesses good knowledge of International Valuation Standards and methodology of business and assets valuations.


  • Grant Thornton International Financial Instruments Committee
  • Certified Public Accountant
  • FCCA