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Grégoire Gillingham

Grégoire Gillingham

Paris

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Grégoire Gillingham joined Stifel through the acquisition of Bryan, Garnier & Co in 2025 where he was CFO & COO, a position he had held since 2019. He has over 20 years of experience in corporate finance and company structuring. Grégoire previously spent ten years at Atos, where he led the financial department and supported operations. He holds a Master of Science from École Supérieure de Commerce and an MBA from International Institute for Management Development (IMD).