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.

Related Articles


01 September 2021

High Court clarifies approach to AML penalties


13 July 2021

FATF releases review of virtual asset and virtual asset service p...


09 July 2021

Transitional compliance period for new AML/CFT nominee CDD obliga...

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