Isabelle Marques serves as the Responsable administratif d’entreprise at VINCI Facilities France since January 2023, overseeing supplier billing, client billing and collections, and contractual follow-up. With experience dating back to July 2001 at VINCI Facilities, Isabelle has held multiple roles including Comptable fournisseurs, Chargée des Recouvrements Risques Clients, and Comptable clients, focusing on financial management and client relations. Prior to this, Isabelle worked as Assistante Administrative at Aviel Bureautique. Isabelle holds a BTS Assistant Gestion PME PMI, Comptabilité gestion from MG FORMATION ESCADE and a Bac Pro Administration Commerciale et Comptable from Gaspard Monge.