Since 2010, we have been trained in positive psychology methods, including the Appreciative Inquiry. This method, developed by American university professors, starts with a questioning among colleagues; by rediscovering the positive, what works well within the framework of the mission, the objectives of the company, the team or the individuals. This “core of success” serves as an energizing and inspiring fulcrum for the development of new projects. Unlike other methods based on a critical diagnosis and negative points of view, which can be perceived as guilt-inducing and demoralizing, AI focuses on energy, the lifeblood of the organization, by inviting us to look for what works, what is positive, what generates energy and allows us to explore the field of possibilities. The objective of AI coaching will therefore be above all to identify the success factors of the individual, team, department, company or institution concerned. From this rediscovery, by integrating quantitative and qualitative elements (e.g. client satisfaction), solid and positive changes are envisaged in a concrete way. This participatory and constructivist method supports the sustainable development of organizations and teams.