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John Mazzeo
Italy, Roma

John Mazzeo

Partner - Grant Thornton Consultants

Professional Experience

John Mazzeo (GTC) joined GTC in 2017, he is a UK Chartered Accountant and Italian registered Auditor who gained a long and significant experience in a Big Four where he followed important audit assignments for national and international clients. In his career path he also held, for 8 years, the role of Director of Internal Audit in a multinational company in the Telecom sector, dealing with internal audit, Enterprise Risk Management, SOX implementation and audits, implementation and audits of the Italian Model 231 as well as member of the Supervisory Board of the Model 231. His areas of expertise are: internal audit, risk management, compliance, reporting services, and due diligence. John's experience is in the telecommunications and media, manufacturing, services, automotive, energy, financial institutions and not-for-profit sectors.

Professional Qualifications

  • Member of the Institute of Chartered Accountants in England and Wales
  • Registered in the Italian National Register of Auditors
  • Mother tongue English and Italian
  • Italian Registered Auditor
  • UK Chartered Accountant
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