Claire Dumas began her career in 1992 at Deloitte as an Audit & Advisory Manager in the Banking & Capital Markets Department, where she acquired solid experience in finance, accounting and control processes. In 1998 she joined Societe Générale group, where she remained for 26 years.

She started out with SG Corporate & Investment Banking, where she held various operational management and project management positions within its support functions. In 2009, she joined the Risk division where she was successively promoted to Deputy and then Chief Operational Risk Officer for the group. She also headed up the group’s Enterprise Risk Management program, tasked with overhauling strategic oversight processes and control and risk management systems, and transforming the group’s culture. In 2014, she joined the Finance division, serving successively as Chief Financial Officer of Retail Banking in France, then Deputy Chief Financial Officer of the group in charge of retail banking and specialized financial services, both for France and international operations, before being appointed Group Chief Financial Officer. Claire was a member of Société Générale’s Executive Committee and Management Committee until she left the group in 2025. She is a director of the French public investment bank, BPI France, and of Qonto, and is a graduate of EDHEC business school and INSEAD's Executive Program.