Marios Lasanianos Partner, Assurance Athens +30 210 7280 000


Marios Lasanianos is Partner in Grant Thornton Greece and brings 15 years of experience. He is a CPA and a member of the International Auditing Standards Advisory Committee of Grant Thornton.

During his multiannual career as a Certified Public Accountant and Management Consultant, Marios Lasanianos has participated in conducting audits in all the major economy segments, such as as transportations (Air transportation of passengers and goods, shipping), industry, telecommunications, retail and others. Regarding the public sector, he has been the Head of cost orientation project implementation on behalf of the National Telecommunications and Postal Regulator. As a team leader, he has carried out numerous consulting projects regarding entity analysis and due diligence (in terms of seller or buyer), valuations and special advisory forensic projects.


  • International Auditing Standards Advisory Committee of Grant Thornton International Ltd
  • Certified Public Accountant
  • FCCA