Guillaume practices in international arbitration, cross-border disputes and international contracts.

Guillaume specialises in international arbitration and cross-border disputes, and also advises clients in matters of international contracts.

Guillaume has acted in more than fifty arbitration proceedings under various Arbitration Rules & Laws (ICC, ICSID, Swiss Rules, PCA, NAI, Court of Arbitration for Sport, etc.) and in matters including transnational sales contracts, post-acquisition disputes, construction projects, aviation and energy.

He advises in international contracts, with a focus on sales and art law.

Guillaume is a French Avocat à la Cour and registered to practice in Paris and Geneva. He holds a postgraduate degree in international law from the University Paris II (2001), a DEJA in English & American law (1999), and an LL.M. from the University of Essex (2000).

Prior to joining Archipel, Guillaume practiced within the arbitration teams of international firms in Paris and Geneva. He was also Legal Counsel at the Permanent Court of Arbitration in The Hague (2005-2008).

Guillaume practices in French and English.

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