Having completed a DEA thesis on the history of deposit banks in 18th-century Russia, Véronique Fossoul began her career at Caisse des Dépôts, working on various projects reporting to the Chief Executive Officer. After working in communications in the advertising and cultural sectors, she returned to Caisse des Dépôts in 1998, joining the Legal Department.
From 2001 to 2008, she held the positions of General Secretariat and Project Manager at CDC Ixis, CNCEP and BPCE. From 2008 to 2010, her remit was expanded to include the role of Risk Manager for the newly formed BPCE Group, where she was responsible for the major risk hedging programme. She continued her career in the insurance sector, becoming Deputy Director of Strategic Insurance Monitoring at BPCE in charge of borrower insurance and the insurance strategy for the Banque Populaire network.
In 2014, she left the bank to successively hold the positions of Corporate Secretary, Chief Executive Officer and Chairman of the Management Board of MFPrévoyance, a subsidiary of CNP Assurances, until December 2023.
In 2024, she became Director of the Social Protection BU at the European Development and Partnerships Department of CNP Assurances and in charge of strategic thinking on ageing well and the loss of autonomy. Since March 2026, she has been Director of Old Age and Autonomy within the Social Protection Europe Department. She is also a certified company director through the IFA-Sciences Po.