Christelle Villadary is a graduate of ESSEC.

From 2002 to 2010, Christelle was at Technicolor (ex Thomson Multimedia), as Investor Relations Manager, then Corporate Finance Manager, then Chief of Staff to the Chairman and CEO before taking charge of a program to reorganise and transform financial processes and tools, reporting to the Group CFO. Christelle Villadary started her career in auditing and consulting at Arthur Andersen in 1997.

Until March 2021, she was Chief Financial Officer of Quadient, a listed company of the SBF 120. From 2010 to 2019, Christelle held a number of positions at Suez, first as Secretary of the Group Investment Committee, then as CFO for Africa, Middle East and India, and then as Director of M&A and Financial Engineering. She was promoted to Vice President Group Strategy and a member of the Executive Committee in 2017.

Christelle Villadary oversees Keolis' economic and financial performance as well as the activities of Legal Affairs and Insurance, Internal Audit, M&A, Strategy and Real estate, since 19 April 2021.