Arnaud Klein is a seasoned professional with extensive experience in financial management and administration across various sectors. Currently serving as Contrôleur de gestion Autonomie at Département des Yvelines since May 2022, Arnaud oversees a substantial budget of 300 M€ in operating expenses and 20 M€ in investments while providing financial expertise to support project initiatives. Since October 2019, Arnaud has also been a consultant at AK Endeavours, focusing on optimizing procurement and supplier relationships with a commitment to sustainability. Previous roles include Responsable administratif et financier at Association Aurore, where Arnaud managed a 40 M€ budget, and Cadre analyst at Fondation de Rothschild, achieving significant cost optimizations. Arnaud's educational background includes a Master of Business Administration from NEOMA Business School and a Diplôme d'Etudes Approfondies from University of Paris I: Panthéon-Sorbonne.