Guillaume Lopez has extensive experience in public procurement, currently serving as Chargé de mission de la commande publique at Région Île-de-France since June 2018, following a role as Gestionnaire de la commande publique focused on construction markets. Prior experience includes a legal internship at Défenseur des droits, where responsibilities involved creating practical guides for public services and conducting legal research in social protection. Additionally, Guillaume gained experience as a legal intern at ENAC, supporting public purchasing activities and summarizing reforms in procurement. Academic credentials include a Master 2 in Droit public des affaires from Université Toulouse 1 Capitole and a preparatory program in law at Sciences Po Toulouse.