Bastien Tirel is an associate in the London office of Arnold & Porter, where he is a member of the firm’s International Arbitration practice group. Bastien advises clients in international investment and commercial arbitrations, and has experience representing corporations, sovereign States, and State-owned entities in arbitrations conducted under major institutional rules, including ICSID, ICSID Additional Facility, UNCITRAL, ICC, and SCC rules. He has been involved in disputes in various sectors, including mining, energy, banking, and telecommunications.
Bastien holds degrees from Harvard Law School, the Sorbonne and Sciences Po Paris, and is fluent in English, Spanish, and French. Before joining the firm, he clerked at the commercial chamber of the French Court of Cassation and practiced as an associate at an international law firm in Paris, where he represented sovereign States and corporations in investment and commercial arbitrations.
Experience
- Brookfield Corporation v. Republic of Peru (ICSID Case No. ARB/25/14).
- Unión de Cervecerías Peruanas Backus y Johnston S.A.A., Cervecería San Juan S.A. and AB InBev Southern Investment Ltd. v. Republic of Peru (ICSID Case No. ARB/24/53).
- Huawei Technologies Co., Ltd. v. Kingdom of Sweden (ICSID Case No. ARB/22/2).
- Glencore International A.G. v. Republic of Colombia (ICSID Case No. ARB/21/30).
- Korea Western Power Company Limited v. Republic of India (PCA Case No. 2020-06).*
- Société Générale S.A. v. Republic of Croatia (ICSID Case No. ARB/19/33).*
- Scholz Holding v. Morocco (ICSID Case No. ARB/19/2).*
- West African Aquaculture Ltd, Kurt Lennart Hansson and Martje Bolt Hansson v. Republic of The Gambia (ICSID Case No. ARB/18/10).*
- DS Construction FZCO v. Libya (PCA Case No. 2017-21).*
- Veolia & Vilniaus Energija v. Vilniaus šilumos tinklai (Lithuania) & Vilnius City Municipality (SCC Case No. 2016/183).*
*Reflects experience at previous employer.
Credentials
Education
- LL.M., Harvard Law School, 2024
- Master, International Economic Law, Paris 1 Panthéon-Sorbonne University, 2019, Valedictorian
- Master, Economic Law, Sciences Po Paris, 2018
- Bachelor, Sciences Po Paris, 2015
Admissions
- Registered Foreign Lawyer (SRA), England & Wales
- Madrid, Spain
- Paris, France
Clerkships
- Court of Cassation, France
Activities
- Member, American Society of International Law
Languages
- French
- Spanish