Fiona Tregonning

Special Counsel - Dispute Resolution and Litigation

Fiona is a general commercial litigation and arbitration lawyer. She leads the Arbitration team within our National Disputes Resolution Division and has a wealth of experience in working with clients to effectively resolve complex and international disputes across a range of industry sectors. Fiona advises on matters such as financial services regulatory issues, health and safety obligations, conduct and culture matters, anti-bribery and corruption issues and contractual disputes across a number of industries.

Fiona worked overseas for five years at Herbert Smith (now Herbert Smith Freehills) in London and Hong Kong, and has also spent a number of years working at another major New Zealand law firm.

Fiona completed an LLM at Harvard Law School in 2002. She also spent a year seconded by the Harvard Sussex Program working as a legal researcher at the Organisation for the Prohibition of Chemical Weapons in The Hague.

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Professional background


  • 1999, New Zealand
  • 2005, England and Wales


  • LLM, Harvard Law School, USA
  • LLB (Hons I), BA, University of Otago


  • Associate, Arbitrators’ and Mediators’ Institute of New Zealand Inc (AMINZ)


  • Arbitration
  • Commissions and Inquiries
  • Contractual Disputes
  • Energy and Resources
  • Insurance
  • Health and Safety
  • Financial Services