Municipio de Mariana v BHP Group (quantum): Currently instructed by the Claimants in the largest group litigation ever brought before the English courts. The claim arises from the collapse of the Fundão Dam in Brazil, thought to be one of the largest environmental disaster in Brazil.

Drafted particulars of claim for a breach of contract and unjust enrichment claim (as a pupil).

Assisted with various aspects of the NoX Emissions litigation (as a pupil).

Shaun has extensive experience working on both commercial and investor-State arbitrations. Before coming to the Bar Shaun completed a PhD on the topic of investor-State arbitration. He also worked as a research assistant to Professor Philippe Sands KC and has worked on arbitrations at Herbert Smith Freehills Kramer in Hong Kong. He has worked on over a dozen investor-State disputes in additional to several commercial arbitrations. Representative matters include:

Big Sky Energy Corp v Kazakhstan, ICSID Case No. ARB/17/22 (at Fietta LLP): Assisted with the representation of the claimant in a claim concerning an energy project.

Theodoros Adamakopoulos and others v Cyprus, ICSID Case No. ARB/15/49 (at Fietta LLP): Assisted with the representation of a group of claimants in a claim concerning bail-in measures introduced following a financial crisis.

Axiata and Ncell v Nepal, ICSID Case No. ARB/19/15 (at Herbert Smith Freehills Kramer): Assisted with the representation of the claimants in a claim concerning a telecommunications project.

Amulsar Investor Ventures LLC v Republic of Armenia, PCA Case No. 2023-66 (as a pupil): Assisted with the representation of the claimants in a claim concerning a mining project.

A multi-billion dollar construction under the auspices of the Singapore International Arbitration Centre (at Herbert Smith Freehills Kramer).

A dispute concerning the validity and exercise of a put option in a share sale agreement under the auspices of the International Chamber of Commerce (as a pupil).

An ad hoc arbitration concerning a debt to equity conversion (as a pupil).

Many of the arbitration matters Shaun has been involved in concerned questions of public international law. Shaun’s other public international law experience includes:

Obligations of States in Respect of Climate Change: Assisted with representing Mauritius before the International Court of Justice (assisting Professor Philippe Sands KC).

Climate Change Advisory Opinion: Assisted with representing Mauritius before the International Tribunal for the Law of the Sea (assisting Professor Philippe Sands KC).

Assisted with advising a sub-national government on issues of self-determination.

Assisted with advising an Asian State on legal issues relating to maritime boundary negotiations (at Fietta LLP).

Working as a research assistant to Professor Martins Paparinskis at the International Law Commission in 2024.

Instructed (led by James Weale) in a claim concerning the entitlement to a company’s assets following liquidation.

Assisted in the representing a defendant director in a breach of directors duties claim (as a pupil).

Assisted in the preparation of an expert opinion concerning the re-hypothecation of shares (as a pupil).

Gilbert v Broadoak Finance (as a probationary tenant): assisted with various aspects of a civil fraud claim, involving an application for a freezing injunction pursuant to the Court’s Chabra jurisdiction.

Assisted with advising a trustee on pre-action applications to support a fraud claim (as a pupil).

Drafted Particulars of Claim for a claim under a facility agreement (as a pupil).

Assisted with advising on the scope of a bank’s Quincecare duty (as a pupil).

Assisting in an application for a freezing injunction in the DIFC in support of a civil fraud claim (as a pupil).

Drafting Particulars of Claim in a claim in the DIFC for sums due under a loan agreement (as a pupil).

Assisting with research concerning the jurisdiction of DIFC courts (as a probationary tenant).