Guillaume Tattevin > Archipel > Geneva, Switzerland > Lawyer Profile

11 ruelle du Couchant
1207 Geneva

Work Department

  • International commercial arbitration
  • Cross-border disputes
  • International contracts




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 sixty 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.

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).


French and English


  • International Bar Association
  • Geneva Bar (member of the Arbitration/ADR Commission)
  • Foreign Lawyers’ Section of the Geneva Bar (President)
  • Swiss Arbitration Association
  • Swiss Art Law Association


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).

Lawyer Rankings

Switzerland > Dispute resolution: litigation

Archipel‘s team, which is praised for its ‘practical and creative approach’, is active in a range of cross-border cases for Swiss and international clients. The department has a focus on white-collar crime mandates, enforcement matters and asset recovery issues. Guillaume Tattevin, Lezgin Polater and Laurence Ponty co-lead the team.

Switzerland > Dispute resolution: arbitration

Archipel fields a diverse team that is highly experienced in working in foreign jurisdictions. Co-leading the group are Guillaume Tattevin, Giulio Palermo, and Laurence Ponty; Tattevin focuses on international contracts, and has niche expertise in sales and art law, while Palermo covers joint ventures, post-M&A disputes and sports law, and Ponty specialises in asset recovery and enforcement proceedings. Associate Panagiotis Kyriakou is also noted.