After graduating with an engineering degree from Polytech Nantes, she joined the European research center of the Mitsubishi Electric Group based in Rennes in 1997. She has lengthy experience in researching communication systems, through research, commercialization, and managerial functions, and strong experience abroad. From 2007 to 2012, she was on the board of directors of the FTTH Council Europe where her duties included being treasurer three years in a row. Since 2014, Sophie took charge of the Intellectual Property and Partnerships office, and also serves as CCO (Chief Compliance Officer). More recently, her responsibilities were expanded to managing general services.