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. Industries that Fiona has experience in include natural resources, food safety, financial services, telecommunications and insurance. She also advises on anti-bribery and corruption issues and has acted for receivers and liquidators of Ponzi schemes.

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.

Professional background


  • 1999, New Zealand
  • 2005, England and Wales


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


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


  • Arbitration
  • Commissions and Inquiries
  • Contractual Disputes
  • Energy and Resources
  • Insurance