Augustin specialises in international arbitration, including commercial and investment treaty arbitration in a wide array of business sectors with particular emphasis on energy, mining, joint ventures, supply and distribution and foreign investments, notably in Europe and Africa.

He has acted as counsel in numerous international arbitral proceedings under the aegis of various institutions (ICC, LCIA, SCC, NAI, CCJA, ICSID) as well as ad hoc proceedings governed by a range of substantive and procedural laws, both common and civil law, such as French, Swiss, Swedish, English, Algerian, Nigerian, Mauritanian, OHADA or international law.

Augustin regularly publishes content relating to international law, international arbitration and arbitration law. He also contributes to the preparation of the Revue des revues for the Journal du droit international (Clunet).


Ranked as Future Leader
Who’s Who Legal, Arbitration, 2023

Ranked as Future Leader
Who’s Who Legal, Arbitration, 2022

“Augustin’s expertise and knowledge in the case is particularly advanced. Particular emphasis should be placed on his skills to prepare witnesses for the proceedings. Patience, empathy capacity, perfect process (case) management, ability to establish mutual trust between client and legal representative.”
Legal 500, Dispute Resolution: Arbitration, Key Lawyer, 2021

Ranked Future Leader
Who’s Who Legal, Arbitration, 2021

Recent publications

Mitigating the costs of potential disputes in Africa through third-party funding
In: SABC Member Legal Insights Newsletter, 2023

Mali Ecowas Sanctions: The Impact on Foreign Investors
In: LALIVE Blog, 27 January 2022, Lexology online, 31 January 2022

Guinea: Outlook on investment protection one month after the coup
In: LALIVE Blog: 11 October 2021

Recent conferences

University of Geneva – Symposium on Investors’ Obligations
AUGUSTIN BARRIER, Speaker – The Landscape of Laws, Compliance with National and International Law
Geneva, 16 May 2024

African Public Procurement Network (en français Réseau africain de la commande publique) – 3rd General Assembly
AUGUSTIN BARRIER, Speaker – Presentation of a report to the African Development Bank on arbitral seats in Africa
Abidjan, 12 December 2023

ICC YAAF – The Present and Future – New Horizons in Arbitration
AUGUSTIN BARRIER, Moderator: Panel 2 – Monetization of African arbitration
Lagos (Nigeria), 30 May 2023

Current memberships

  • Co-Founder of the Swiss Chapter of ENERAP (Energy Related Arbitration Practitioners)
  • Member of Young Mining Professionals (YMP) Switzerland
  • Member of ICC Young Arbitrators Forum (YAF)
  • Member of LCIA Young International Arbitration Group (YIAG)
  • Member of African Arbitration Association (AfAA)
  • Member of ASA below 40

Career history

  • Counsel, LALIVE, Geneva, 2020 – present
  • Associate, LALIVE, Geneva, 2016 – 2020
  • Associate, Dentons Europe, Paris, 2014 – 2016
  • Associate, Bredin Prat, Paris, 2010 – 2014

Academic qualifications

  • Master in Litigation, Arbitration & ADR, Paris-Panthéon-Assas University, 2009
  • Master in Economic Law, Sciences Po, Paris, 2008
  • Bachelor of Law, Panthéon-Sorbonne University, Paris, 2007