This report provides an in-depth analysis of organisational behaviour, focusing on Marks & Spencer as a case study. It begins with an introduction to organisational behaviour and its significance, followed by an examination of M&S's organisational culture, power dynamics, and political landscape. The report then delves into motivational theories, including content and process theories, with a specific focus on Maslow's Hierarchy of Needs and Adam's Equity Theory. It further explores different types of teams and applies Tuckman and Jensen's model of team development to the M&S context. Finally, the report concludes with an analysis of the concept and philosophy of the Path Goal Theory of organisational behaviour, providing a comprehensive overview of the key elements that contribute to effective management and employee productivity within the organisation.