Patricia PERENNES has been working in rail transport for over ten years, particularly on the issue of opening up the sector to competition. After writing her thesis on the subject and working as an economist at RFF/SNCF Réseau, she joined the strategy department of the leading EPIC. She has been working for local authorities for the last 5 years: Transport Advisor for Régions de France, then Deputy Director of Transport for the Centre-Val de Loire region, she is now a consultant for local authorities with the Trans-Missions consultancy.