Guillaume de Saint-Seine – Biography

Last update: December 19, 2025

Executive profile

Guillaume was Managing Director at Gruppo Banca Leonardo, and Managing Director at Citigroup Global Markets. Guillaume de Saint-Seine joined BPCE in 2012. Guillaume served as Global Head of Financial Institutions and Public Sector coverage and Global Head of Coverage for BPCE.

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  • Guillaume de Saint-Seine - Director - PMU
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  • In the Banking industry, Guillaume de Saint-Seine has 103,099 colleagues in 5,522 companies located in 187 countries. 41,391 executive movements have been recorded in the last 12 months. Learn more about Banking.

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