Service design projects carry businesses through a problem-solving process rooted in design thinking — a five-stage process comprising discovering the problem space, defining the problem, ideation, prototyping and testing solutions, and finally implementation. This process isn’t run through just once, but repeated multiple times, and as quickly as possible, in order to reach the best possible outcome. But to get through the first stage — to more precisely discover the space in which the problem occurs — the designer must identify the key stakeholders of a problem and be able to describe the problem space from their point of view