The assignment content discusses organisational behaviour and its relation to individual, group performance and activities within an organization. The study of organisational behaviour involves different organisational theories, factors and leadership styles to shape the behaviour of employees. Various motivational theories such as participative leadership, transformational leadership, process theory, content theory are used to motivate managers and staffs in British Airways and EasyJet plc during changes. The report concludes that different motivational theories have played a major role in carrying out business activities in an efficient manner.