Chapter 8 turns the spotlight on the stakeholders - all the different groups of people involved in the planning and staging of an event. Dealing with so many event stakeholders can be a complex and time-consuming task. The event organiser needs to communicate effectively as reaching a consensus with stakeholders within the given time frame is essential for keeping the event on track and on budget. The case study at the end of the chapter is on the Hi Seoul Festival 2009, the largest outdoor Festival in Seoul, whit several events occurring at various venues simultaneously Hi storical palaces and street venues were used, requiring support and cooperation from public and private entities.