Isabelle Drejza

Isabelle Drejza currently serves as PMO at the Direction des Ressources Humaines for the Département des Yvelines, where responsibilities include guiding HR activities and supporting ongoing transformation efforts for 4,000 employees. Previous experience includes a role as Senior Consultant in Innovation and Digital Transformation at Niji, where contributions involved project management and digital tool governance for ENGIE's strategic energy program. Isabelle has held various leadership positions at Citroën, including responsibilities for marketing strategy and customer experience design, where notable achievements included the launch of customer engagement initiatives and performance tracking for international network satisfaction. Additional work at Groupe PSA focused on open innovation partnerships and new service development. Educational qualifications include a Master 2 in International Business Negotiation and various certifications in Lean Startup and Agile methodologies.