SALES AND MARKETING (S&M) ROI MANAGER (H/F) - CDD Paris (75)

Votre futur poste Join the #LactalisExperience and increase S&M Return On Investment (ROI) by influencing and supporting local sales and marketing teams. Your Key Responsibilities As a key member of the team, your daily responsibilities will include: * Maximize ROI and sales generated by S&M investments through local measurement projects and action plans * Manage measurement projects with external partners (NIQ and Circana, Publicis and Havas) * Assess methodological reliability for new and existing solutions * Build a ROI culture from Top Management to local sales and marketing teams, create and implement trainings on media and promotion effectiveness * Collaborate cross-functionally with local Marketing and Sales Directors, Global Sales and Marketing teams (media, data, sales, digital, categories, methods and training) and media agencies. This is a fixed-term contract (CDD) for 9 months, from July 6, 2026 to March 12, 2027, based in Paris (Montparnasse), with on...