This course is designed to transform management controllers into strategic business partners by promoting their advisory role within operational teams. Participants will learn how to position themselves effectively within the organization, strengthening both their technical and relational skills. The training covers key areas such as defining the mission and challenges of the controller, adapting to various organizational structures, and leveraging IT tools to support decision-making. A significant focus is placed on communication, stress management, and time management, helping controllers balance their responsibilities while maintaining strong relationships with operational staff. Through role-playing, self-assessments, and real-life simulations, participants will enhance their ability to influence, argue convincingly, and facilitate meetings, ultimately becoming more confident and effective in their advisory role.