Guillaume Croisant

Area of specialisation

• Arbitration Competition Construction, Engineering Corporate Law / M&A Criminal Law Finance and Banking Investment / Public International Law Joint Ventures, Consortia, Cooperation Tort law Real Estate Mediation Pharmaceutical Sales, Purchases

Bar admission

• Belgium

Experience with legal system

• France
• Belgium
• Netherlands
• Germany
• United Kingdom
• United States
• Luxembourg
• Russian Federation

Professional experience

Guillaume is an all-round litigator specialising in international arbitration and cross-border litigation. He also regularly works on criminal and regulatory investigations as well as compliance matters, with a specific focus on corporate sustainability and ESG. Guillaume’s experience spans various sectors and industries, in particular the financial services, construction, (post-)M&A, commercial contracts, restructuring and insolvency, energy and pharmaceutical sectors.

Guillaume has a decade of experience representing clients as counsel in commercial and investment arbitration as well as related state court proceedings. He has also been appointed as an arbitrator and as a tribunal secretary under the ICC, LCIA, CEPANI and NAI rules. He is the co-chair of the Belgian organisation of under 40-year-old arbitration practitioners (CEPANI40), a member of the board of directors and diversity and inclusion steering committee of the Belgian arbitration association (CEPANI), and a member of the ICC Commission on Arbitration and ADR. He undertook a one-year secondment in the international arbitration practice of our London office in 2017-2018.

Guillaume is recognised by clients and peers in the leading legal directories, including Chambers & Partners, Legal500, Lexology Arbitration (former Who is Who Arbitration) and Leaders League.