Began her career at the Transport Research Institute, then joined Renault in 1981 as planning officer prior to becoming product engineer (1983-1985).

Moved to Purchasing in 1986 and was appointed Director, Body Interior Purchasing, in 1993, then Director, Body Hardware Purchasing in 1994. Became Executive Vice President of the Renault VI group in 1999. In January 2001, she was appointed President of the 3P Business Unit (Product Planning, Product Development, Purchasing, Project) at Volvo Trucks.

She moved back to Renault in March 2003 as Senior Vice President, Purchasing, and Chairman and C.E.O. of the Renault Nissan Purchasing Organization.

From March 1, 2009, Odiles Desforges is appointed Executive Vice President, Engineering and Quality.