9 Box Model is an organizational tool used by managers to categorize staff based on their performance and future potential. It provides a visual representation of the current and future potential of employees, allowing managers to assess potential areas of success and create development plans. It consists of 9 squares that form a 3x3 grid. Each square corresponds to a certain level of competence and potential, allowing managers to assess the strengths and weaknesses of their teams. With the 9 Box Model, managers can create individual performance plans to ensure their team has optimal performance.