David is an experienced lawyer whose practice focuses on international dispute resolution. He advises clients on a broad range of complex international arbitration and litigation matters, before international tribunals as well as national courts.  He has significant investor-state arbitration experience and frequently makes essential contributions to the firm’s clients on complex private and public international law issues. 

David has served as lawyer, tribunal secretary, and tribunal assistant in many significant international investment, international commercial, and inter-state arbitrations, including ICSID, ICC, LCIA, and ad hoc proceedings. He also has experience advising and representing clients on commercial, employment, and property disputes as a barrister.

David joined the firm from Bankside Chambers (the Chambers of David Williams QC).  Previously, he practiced at Freshfields. He is qualified in New Zealand.   


David’s recent experience includes:

  • Acting in LCIA arbitration proceedings against a European state arising out of the destruction of the value of a license, with each claim worth in excess of €1 billion
  • Advising on UNCITRAL arbitration proceedings against a European state in respect of the refusal of a natural resources concession, with an estimated value in excess of €500 million
  • Acting for a mining company against a Latin American state in ICSID investor-state arbitration in a dispute concerning the nationalisation of a mine worth in excess of $3 billion
  • Acting as Tribunal Secretary in a significant ICC inter-state arbitration involving a dispute between two MENA states over access to natural resources
  • Acting for European investors in an ICSID investor-state arbitration in respect of the expropriation of a factory in Latin America worth in excess of $150 million
  • Acting as Tribunal Secretary in an ICC medico-legal commercial arbitration in the MENA region
  • Acting as Tribunal Assistant in a complex ICC commercial arbitration between investors and a regional government in South Asia with an estimated value of several hundred million dollars


  • Harvard Law School, LLM, Frank Knox Memorial Fellow; Fulbright New Zealand Graduate Scholar
  • University of Canterbury, LLB Honors; BA,

    Gold Medal in Law (top graduating student)

    , English and History



  • New Zealand


  • Rt. Hon. Supreme Court Justice Peter Blanchard, New Zealand Supreme Court