Guillaume Hannebelle
Managing Director, Senior Equity Sales
Equity Sales & Trading
Paris
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Guillaume is a Managing Director in Stifel’s Equity Sales Department and based in Paris. Guillaume joined Stifel in 2025 through the acquisition of Bryan, Garnier & Co.
Guillaume previously worked at Citigroup in Dubai and at Heritage Asset Management.
He holds a Master’s in Management and a Master’s in Securities Markets, Commodities Markets & Risk Management from Paris Dauphine University.