Jonathan Humphrey is the Head of Disputes and International Arbitration in Australia and Southeast Asia for BRG and has worked as a forensic accountant since 1996, advising clients as an accounting and finance expert on contentious matters, on investigations and in an advisory capacity.

His contentious experience includes the quantification of lost profits arising from breach of contracts and warranties, valuations resulting from expropriation and shareholder disputes and quantification of damages in respect of class actions, professional negligence, insurance claims and post-acquisition disputes. He has worked across sectors including oil and gas, construction, IT and telecoms, financial services and manufacturing; and in jurisdictions including Australia, Asia, the United Kingdom, Continental Europe, the Middle East and Africa.

Mr. Humphrey also leads fraud, forensic, intellectual property and regulatory investigations around the world. His experience includes investigating allegations of bribery and corruption, Foreign Corrupt Practices Act-related investigations and compliance reviews, assessing allegations of mismanagement and investigating corporate fraud.

Mr. Humphrey is appointed regularly as an expert and has experience providing oral evidence in commercial and investment treaty cases. He has worked in multiple forums, including international arbitration under ICC, UNCITRAL, LCIA, SIAC, DIAC and HKIAC rules, court litigation and mediation. He has been recognised by Who’s Who Legal as a leading economic consulting (damages) expert in the inaugural 2016 listing, a leading arbitration expert witness since 2014 and a leading insurance and reinsurance expert since the inaugural list in 2015.

Mr. Humphrey is a fellow of the Institute of Chartered Accountants in England and Wales and has a degree in economics from the University of Bristol.


University of Bristol
BSc, Economics, 1996 (honors)

Employment History

Navigant Consulting (Europe) Limited
2006 - 2013

1996 - 2006

News & Insights

Seminars & Speaking Engagements


Professional Affiliations

Institute of Chartered Accountants of England and Wales
Member, Forensic and Valuations groups

International Chamber of Commerce (ICC)
Member, Young Arbitration Forum