Dominik K. Kanbach, Stephan Stubner

• Corporate accelerators have become a frequently used form of start-up engagement for established companies. However, little guidance on how to set up such a program based on the specific requirements of a company is available. When Media-Saturn-Holding GmbH, Europe´s leading consumer electronics retailer, decided to create a corporate accelerator, they were faced with a multitude of questions that required a response. The case illustrates which approach the management team surrounding CEO Pieter Haas has taken to develop the company’s own accelerator. In the first part, the case introduces the background and the potential accelerator design options. In the second part, the text discusses the decisions made and the SPACELAB concept_x000D_ Learning objective: The case is appropriate for use in entrepreneurship, strategic management, and innovation management courses in the context of modules or discussions on corporate entrepreneurship and venturing, entrepreneurial strategies, entrepreneurial ecosystems, and managing corporate innovation. The case can be used in undergraduate courses and graduate and MBA courses, as well as executive education courses. The case study has two main learning objectives structured along the two parts of the case: to provide knowledge about the potential design options companies have when setting up a corporate accelerator (part 1) and to understand how and why Media-Saturn has made the decisions they’ve made for their SPACELAB accelerator (part 2).