This case study describes a stress management program implemented by CRAMIF, the regional sickness insurance fund of the Paris region, to help companies prevent work-related stress. The program uses a participatory approach involving employees to measure stress levels, identify stressors, and propose solutions. It is a voluntary multi-phase process that collects anonymous employee feedback through surveys and interviews to develop an action plan. The goal is to improve work conditions and reduce stress through collaborative efforts between management, employees, and experts.