Profile

Margaux joined Pérez-Llorca in 2025 and is part of the Litigation and Arbitration practice area. Prior to joining the firm, she worked for two years in a firm specialised in international arbitration in Paris and completed several internships in international law firms and arbitral institutions.

Studies:

• 2021 LL.M. in International Dispute Resolution, King’s College London
• 2020 Master’s degree in International Law and International Organisations, Université Paris I Panthéon-Sorbonne
• 2019 Master’s degree in General International Law, Université Paris I Panthéon-Sorbonne
• 2018 Degree in Law and Political Sciences, Institut Catholique de Paris

She speaks Spanish, English and French.

Experience

Margaux has experience in commercial and investment arbitration, having been involved in proceedings involving states and state entities as well as international companies.

She has been involved in complex litigation in a variety of sectors, including engineering and construction, infrastructure, energy, real estate and pharmaceuticals.

In addition, she has experience as secretary to the president of an arbitral tribunal, as well as in proceedings for the recognition, enforcement and annulment of arbitral awards before the French courts.

Professional organisations

The Paris Bar Association

Spanish Arbitration Club (CEA-40)