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Pierre-Olivier Lavergne-Brossard

Pierre-Olivier Lavergne-Brossard


Principal & National Head of Business Modelling
Financial Advisory

Pierre leads Grant Thornton’s Business Modelling Services practice nationally. He has over 12 years of experience in financial modelling, valuations, decision support and project/infrastructure finance and supported the due diligence of several large-scale merger and acquisitions opportunities.

As part of the Business Modelling Services practice, Pierre combines his extensive financial advisory and business modelling experience to assist clients in a variety of business decisions through the development of robust, dynamic and user-friendly financial models to provide better insight and analysis into key decision factors. Typical business decisions in which Pierre advises his clients include:

  • Mergers & acquisitions
  • Tender and bid support transactions
  • Strategic planning and forecasting
  • Investment appraisal and feasibility
  • Project financing 
  • Business start-ups
  • Model audit.


Pierre began his career at Grant Thornton Canada in 2007. He was initially in the Government Infrastructure Advisory team where he advised on a number of public-private partnerships and large-scale infrastructure projects. In 2010, he joined Grant Thornton’s Corporate Finance team in our Sydney office where he continued helping deliver infrastructure projects amongst other projects. During that time, he successfully led various financial/commercial infrastructure advisory projects including the North West Rail PPP financial advice and modelling, alternative funding advisory and financial modelling service for the Reliance Rail Project, and ongoing financial and commercial advisory services to Prostar Capital Energy Fund and on the Australian North East Gas Interconnector Project.

Pierre has provided financial modelling services on transactions involving assets and businesses valued at A$10+billion, spanning the full range from small acquisitions through to consortia bidding for billion dollar infrastructure assets.

Pierre has a wealth of experience and expertise in a wide range of industry sectors with a particular focus in professional services, aged care & NDIS, energy & resources, and infrastructure.

  • Member of the Institute of Certified Management Accountants (CMA) in Canada
  • Member of Chartered Professional Accountant (CPA) in Canada
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