Olga Bezhentseva

Director - Energy & infrastructure

Olga recently joined the Management Consulting team at Mazars as a Director to focus on the delivery of sector-focused cross-business services and advice to Mazars’ clients. Before joining Mazars Olga spent eight years working for Amey Plc as a Director of Commercial Assurance and Risk.

She brings strong commercial, finance and operational experience gained through her work in the private and public sectors across various industries: oil and gas, renewable energy, rail, highways, utilities, waste to energy (PFI contracts) and service contracts. Olga delivered successful business restructuring and optimisation programmes, including the transformation of complex long-term contracts and specialised in commercial assurance, business continuity planning, business audit and risk management, governance and business planning.



  • Executive LLM (Corporate and Commercial law), London School of Economics, UK
  • MBA, Middlesex University, UK
  • Executive Global Programme, ESADE (Madrid, London)
  • Finance & Economics (BSc), Criminal Law (LLB), Russia


Certification & membership:

  • ACCA (Fellow), UK
  • ISO 9001, Lead Auditor
  • ARM – Advance Risk Management


Her experience includes:

  • Bid and Commercial Assurance
  • Business Audit and Risk Management
  • Post cyber incident business recovery
  • Negotiations support
  • Restructuring and Pre-insolvency management
  • PFI contract management and turnaround
  • Procurement process optimisation
  • Risk management (Public Sector)
  • Renewable energy
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