Marianna Vintiadis is a managing director in Kroll’s Business Intelligence and Investigations practice and head of operations in Southern Europe, based in the Milan office. In this role she is responsible for Kroll’s operations in Greece and expanding the company’s network in Austria, the Balkans, Spain, and Portugal. As a practitioner, Marianna has been involved in some of Kroll’s most high-profile and sensitive business intelligence engagements in the region, spanning many jurisdictions and areas of corporate activity.

Marianna and her team have worked with clients in the private and government sectors, helping them assess risks involved in mergers and acquisitions and corporate finance transactions; exposing mafia infiltration and sanction breaches; supporting in disputes, asset recoveries, and NPL management; helping limit counterparty exposure and reputational liabilities; and gathering evidence in leak of information, corruption, and internal fraud investigations. Marianna has also been on the leading edge of supporting clients in southern Europe with the challenges preventing and resolving data breaches. Her particular areas of expertise include the shipping and gaming industries as well as energy, banking, and telecommunications.

Prior to joining Kroll, Marianna worked for Navale Assicurazioni in its marine hull division. Previously, Marianna had spent eight years at Cambridge University doing research, teaching, consulting in economics, and working on technology transfer.


Media Appearances
  • Marianna is often quoted in the national and international media, including national newspapers, radio, and television.


Education & Certifications
  • M.A., Cambridge University
  • B.A., Economics, Cambridge University
  • All Italian Investigation Licenses


Affiliations & Memberships
  • Global Advisory Board of the Centre for International Business and Management (CIBAM) in the UK
  • Advisory Board Transparency International, Italy
  • Adam Smith Society, Italy, Member of Executive Committee


  • Greek
  • Italian
  • English
  • French
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