This report examines the roles and styles of leadership and management within a global organisation, using McDonald's as a case study. It explores the three levels of an organisation, the impact of globalisation on the company, and the importance of Corporate Social Responsibility (CSR) in modern business practices. The report analyses how McDonald's has adapted its leadership and management strategies to navigate cultural diversity, changing earnings, and global trends, while also demonstrating its commitment to CSR through environmental conservation, philanthropic efforts, and community involvement.