This report delves into leadership and management theories, exploring their practical application through a case study of Jeff Bezos, the CEO of Amazon. The report begins by defining leadership and management, highlighting the distinction between inspiring individuals and directing operations. It then examines various leadership styles, including trait, behavioral, situational, contingency, transformational, and transactional approaches, and how Bezos utilizes these within Amazon. The report also covers different management styles, such as autocratic, democratic, and laissez-faire, analyzing their relevance to Amazon's organizational structure and culture. Furthermore, it discusses the roles of managers and leaders, emphasizing the importance of effective resource allocation, risk management, vision creation, and decision-making. The analysis concludes that both managers and leaders play crucial roles in strategy execution, employee performance, and achieving organizational goals, with Bezos's leadership style being instrumental in Amazon's success. The report references various academic sources to support its findings and offers a comprehensive overview of leadership and management principles in a real-world business context.