Guillaume Aréou Photo

Member of the Paris Bar, Guillaume’s practice is focused on litigation and international arbitration, both commercial and investment. He specialises in a wide variety of fields, including but not limited to, international trade law, public international law, and public procurement law. Guillaume also has significant experience with a number of specific sectors, from the construction to the food industry sectors. Guillaume represents both private investors and States alike, notably in Africa-related disputes.


  • Marseille Bar School, 2011, CAPA
  • University of Nice-Sophia Antipolis, 2009, Dr. jur., International Investment Law
  • University of Paris II Panthéon-Assas, 2004, DEA de droit international (LLM equivalent), French International Law
  • Oxford Brookes University, 2002, Diploma in Advanced Study

  • Paris

  • AfricArb, co-founder
  • Association suisse de l’arbitrage (ASA) and ASA Below 40
  • Comité français de l’arbitrage (CFA) and CFA40
  • International Law Association (ILA) - France, member
  • Société française pour le droit international (SFDI)

  • Französisch
  • Englisch

Notable Quotes

  • March 2023 "The global growth in life sciences arbitration" Commercial Dispute Resolution