Languages
- French
- English
- Spanish
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Guillaume joined CMS Francis Lefebvre in 2026.
He assists French and international clients across a range of industries in the design and implementation of compliance programs, the conduct of complex cross-border investigations, and interactions with enforcement authorities.
His practice focuses on anti-corruption, human rights / duty of care, anti-money laundering, and economic sanctions.
Guillaume previously worked in the Compliance and Internal Investigation team at Hughes Hubbard & Reed LLP in Paris and served as acting Chief Compliance Officer for EDF Renewables