Antonia accepts instructions in all areas of Chambers’ practice. Recent highlights include:

  • Acted for over 600,000 Claimants in a 14-week trial on liability in the Technology and Construction Court in Munícipio de Mariana and Ors v BHP Group Plc and BHP Group Ltd (led by Alain Choo-Choy KC and Andrew Fulton KC). The proceedings relate to the collapse of the Fundão Dam at the Germano mining complex in November 2015, considered the worst environmental disaster in Brazilian history.
  • Jockey Club Racecources Limited v Persons Unknown (ongoing) - obtained a five-year injunction against Persons Unknown to prohibit acts of trespass by unknown protesters at the Epsom Racecourse (led by Alan Maclean KC).
  • Intervened in relation to a request for an advisory opinion from the Inter-American Court of Human Rights on matters involving climate displacement (2024, led by Ali Al-Karim), and in the Constitutional Court of Colombia and Mexican Supreme Court in relation to those countries' immigration or detention policies under international law (2023, led by Raza Husain KC).
  • Was seconded to the Foreign Commonwealth and Development Office (FCDO) for two and a half months in 2023, working with the Sanctions and Asia Pacific Team primarily on challenges to sanctions desginations and matters of licencing. Antonia continues to work with the FCDO on sanctions related matters.

Antonia has full working proficiency in Portuguese and Spanish, and frequently conducts legal conferences, analysis and research in these languages. She recently completed the King's College Executive Course on International Commercial Arbitration and has a particular interest in arbitral disputes relating to Latin America, and more broadly.

Prior to coming to the Bar, Antonia worked as a video journalist for Reuters in Brazil and Colombia, covering the 2016 Colombian peace process (deployed to a FARC rebel camp), corruption scandals, the 2014 FIFA World Cup and the 2016 Olympic Games. Antonia also worked as a Senior Analyst for Control Risks, advising investors on ESG considerations and political, security and social developments across Latin America. Antonia chaired and featured in high-profile discussions on regional politics and business, including alongside then Colombian President, Iván Duque.

Antonia is a co-creator of The Advocacy Podcast.

Experience

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Commercial

Antonia accepts instructions in all areas of commercial law. She recently acted for over 600,000 Claimants in a 14-week trial in the Technology and Construction Court in proceedings against BHP, and acts unled in a range of contractual and commercial disputes.

She completed the King's College Executive Course in International Commercial Arbitration in 2025.

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Public International Law

Antonia accepts instructions in all areas of public international law. She has particular experience in interventions in international tribunals on matters relating to the climate and to migration. She is also particularly interested in Public International Law in the commercial context, and completed an Executive Course on International Commercial Arbitration at King's College London in 2025.

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Civil Liberties & Human Rights

Antonia accepts instructions in all areas of civil liberties and human rights law.

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Public & Regulatory

Antonia accepts instructions in all areas of public law.

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Environment

Antonia accepts instructions in all areas of environmental law.

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Sanctions

Antonia was seconded to the Foreign Commonwealth and Development Office (FCDO) in 2023, working with the Sanctions and Asia Pacific Team, and continues to work with the FCDO in relation to sanctions.

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Sport

Antonia accepts instructions in all areas of sports law.

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Media & Entertainment

Antonia accepts instructions in all areas of media and entertainment law.

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Employment

Antonia accepts instructions in all areas of employment law.

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Achievements

Education

  • International Commercial Arbitration, Executive Course, King's College London
  • PGDip in Bar Practice, King's College London, delivered by the Inns of Court College of Advocacy
  • GDL, City Law School (Distinction)
  • MSc Global Politics, London School of Economics and Political Science (Distinction)
  • BA Modern & Medieval Languages, University of Cambridge, Queens' College (First Class with a Mark of Special Excellence in Oral Spanish)

Publications

  • Co-authored a chapter to be published in International Arbitration: A Global Guide for Practitioners, Elgar Publishing (forthcoming). 
  • Co-authored What the Bar can learn from 12 trial lawyers (summarising the learnings from Season 1 of The Advocacy Podcast), Counsel Magazine (2021).
  • Contributed to The Capacity to Combat Corruption Index: Assessing Latin American countries’ ability to uncover, punish and deter graft, The Americas Society/Council of the Americas and Control Risks (2019).

Professional Experience

  • 2018 – 2019: Senior Analyst, Control Risks, Bogotá, Colombia
  • 2014 – 2017: Television Journalist, Reuters, Rio de Janeiro, Brazil and Bogotá, Colombia


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