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Harriet Foster
Harriet Foster
Associate — International Dispute Resolution & Arbitration
Associate — International Dispute Resolution & Arbitration

Harriet Foster

Harriet Foster

20 Fenchurch Street
24th Floor
London EC3M 3BY
United Kingdom

Harriet Foster

Harriet’s practice focuses on advising clients on a range of international arbitration, commercial litigation and public international law disputes. The following is a list of representative matters in which Harriet has assisted.

Experience Highlights

  • Representing a State-owned oil and gas company in an ICC arbitration in connection with alleged breaches and termination of a production sharing agreement 

  • Represented the claimant in an UNCITRAL arbitration under the India-Mauritius Bilateral Investment treaty concerning the cancellation of telecoms licences

  • Acting on a number of ICC arbitrations in connection with the design and construction of a major maritime project in Central America

  • Represented the Government of Kenya government in an ICSID Arbitration in respect of the alleged expropriation of a high value mining licence, under a bilateral investment treaty

  • Represented an African energy company in a LCIA arbitration, and assisted with related court proceedings in the British Virgin Islands, in relation to the breach of a shareholders’ agreement

  • Acted for the Government of Timor-Leste in first-of-its-kind compulsory conciliation proceedings under Annex V of the United Nations Convention on the Law of the Sea against a foreign state, with the Permanent Court of Arbitration acting at Registry

  • Represented the Government of Timor-Leste in its dispute with Australia before the International Court of Justice (“ICJ”) concerning the seizure of documents, data and correspondence between Timor-Leste and its legal advisers

  • Represented a Norwegian oil company in a Norwegian-seated arbitration in relation to the revision of gas prices and hardship

  • Assisted a South-East Asian construction company in an ICC arbitration in respect of delay in the construction of an oil refinery in Trinidad

  • Assisted a Spanish energy company in an ICC arbitration in relation to the non-payment of tolling fees

  • Assisted a European securities company in a Part 8 claim in the High Court of Justice in relation to the redemption of securities


  • King’s College London, LLB, First Class Honours
  • College of Law, Legal Practice Course
  • Solicitor of the Senior Courts of England and Wales, 2015