Jean-daniel Mesange is an experienced commercial professional currently serving as Assistant Commercial at FIDUCIAL since July 2023, where responsibilities include portfolio management, dispute resolution, customer relationship management, and strategic commercial negotiations. Prior roles include Commercial positions at Fnac Darty and Place du Marché, as well as client advisory roles at Tessi France and ENGIE, where skills in client development, prospecting, and sales strategies were honed. Early career experience includes assistant negotiator responsibilities at Réseau EXPERTIMO and various commercial roles at BatiBois and Point Led, emphasizing customer prospecting and support. Jean-daniel Mesange holds a Bts in Negotiation and Client Relations from IDRAC Business School and a professional baccalaureate in commerce, complemented by internships at HYPER U.