KordaMentha KordaMentha is an Australian advisory and investment firm that provides specialist forensic, real estate, turnaround / restructuring and investment management services. The business was formed in April 2002 by Mark Korda and Mark Mentha. Located at
Level 24, 333 Collins Street, Victoria, Australia.
Phone: +61 3 8623 3333
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John Temple-Cole


Sydney +61 2 8257 3077

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‘Complex disputes require clear and critical thinking, and attention to detail. Our team of experienced professionals has a willingness to work together to produce robust outcomes.’

John is a forensic accountant and expert witness with 20 years' experience, with extensive experience in many of Australia’s highest-profile and most complex investigation and dispute assignments.


John began his professional career in London in the audit division of a ‘Big 4’ accounting firm. He was a Partner at Ferrier Hodgson before joining KordaMentha as a Partner, in 2010.


As a forensic accountant, John has been called upon to apply clear and critical analysis to a range of accounting, financial, fraud, taxation and regulatory disputes and investigations. His forensic accounting engagements have included issues including:

  • Accounting irregularities and accounting fraud
  • Quantification of loss and damages for breach of contract, negligence or insurance purposes
  • Taxation investigations, tax avoidance, transfer pricing
  • Regulatory investigations and governance reviews
  • Funds flow and asset tracing
  • Corporate collapses.

He has prepared expert’s reports and given expert evidence for proceedings in a range of Courts, tribunals and for commercial arbitration. 

Significant Engagements

  • Accounting falsification. Expert’s reports and expert (concurrent) evidence in NSW Supreme Court, relating to the alleged falsification of a company's accounts, and whether they were misleading and prepared in accordance with accounting standards.
  • NBN Co. Partner leading the ‘forensic audit’ work stream of the strategic and financial review of Australia's largest ever infrastructure and construction project on behalf of the Australian Federal Government.
  • Transport smartcard damages claim. Expert’s reports concerning claim in excess of $100 million following cancellation of the contract for design and installation of Sydney’s integrated smartcard ticketing and fare payment system.
  • Anti-avoidance. Expert’s report in an anti-avoidance proceeding involving identification of the corporate structure of an Asia-pacific group of entities, and analysis of funds flow between them. The matter concerned whether certain of those entities were resident, and had their central management and control in Australia.

John Temple-Cole_BW_Web


  • BsC (Hons) Management Sciences
  • Certified Fraud Examiner (CFE)
  • Certificate IV in Fraud Control (Investigations)


  • Fellow of the Institute of Chartered Accountants in England & Wales (FCA, UK)
  • Fellow of Chartered Accountants Australia and New Zealand (FCA)
  • Associate of the Financial Services Institute of Australasia (A Fin)


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