All businesses face multiple stakeholders: shareholders, customers, employees, activists, NGOs, politicians and regulators. Businesses interact with all these stakeholders mainly through the media. The media shape their reputation vis-a-vis their stakeholders, the way they are regulated, their costs, and their opportunities. This course explains how media influences companies and industries and how companies can affect this interaction. We start by analyzing the economics of media companies and how they work on the commercial and editorial sides. We continue by going deeper into the interplay between media, regulators and companies and we focus in depth on media and the financial markets, crisis communication management and the role of the internet and social networks. Students will participate in a simulation on the influence of the media on the stakeholders of a company, including shareholders and potential investors, customers, employees, activists, NGOs, politicians and regulators. The simulation gives the student the opportunity to put into practice some of the skills and strategies that they will have learnt during the course.