Alice Osman's practice focuses on the representation of sovereign States and private clients in investor-State arbitrations and international commercial arbitrations.

Ms. Osman also has experience in public international law, including international human rights law and international humanitarian law. Prior to joining the firm, Ms. Osman worked for the Permanent Mission of New Zealand to the United Nations, and carried out research on international human rights law, investor-State arbitration, and disarmament law at an international NGO and institutes based in Columbia University and Harvard Law School.

Ms. Osman qualified as a barrister and solicitor in New Zealand in 2014. She worked as a barrister in a leading New Zealand set, where her practice focused on commercial and public law litigation. She also spent two years as a judge's clerk at the High Court of New Zealand.


  • The Kingdom of Thailand in an investor-state arbitration initiated by Australian claimants in relation to a gold mining project (UNCITRAL).
  • Heavy equipment manufacturer in an arbitration initiated by a commercial partner concerning white collar crime allegations (ad hoc, London).


  • LLM, Harvard Law School, 2017
  • LLB (Hons), University of Otago New Zealand, 2012, First Class Honours
  • BA, Politics, University of Otago New Zealand, 2012
  • High Court of New Zealand
  • High Court of New Zealand, The Honourable Justice Rebecca Ellis
  • High Court of New Zealand, The Honourable Justice Susan Thomas
  • High Court of New Zealand, The Honourable Justice Ailsa Duffy
  • High Court of New Zealand, Associate Judge David Abbott

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