Estelle Yung currently serves as DGA territoires at Conseil départemental de Meurthe-et-Moselle, where responsibilities include overseeing mobility policies, ecological transition, education, culture, and development within a territorially organized local authority. Previously, Estelle held the position of DGA développement territorial et attractivité at the Département de la Meuse, managing a team of 320 professionals across various sectors. Prior experience includes roles as Éleve administratrice territoriale at Institut national des études territoriales, Directrice générale des services at Langres - Grand Langres, and Directrice du syndicat d'énergie de Haute Marne and syndicats des déchets ménagers de Haute-Marne at SDED 52, among others. Estelle's educational background features advanced degrees in public law and public contracts from Université de Bourgogne and Université de Lorraine, respectively.