This report explores the distinct roles of leaders and managers within the context of Marriott Hotels. It delves into the key functions of each role, comparing and contrasting their approaches in various situations. The report examines different leadership theories, including situational leadership, systems leadership, and contingency theory, and applies them to real-world scenarios within Marriott. It also analyzes the value and importance of operational management in achieving business objectives, considering factors like corporate social responsibility, stakeholder expectations, sustainability, and intrapreneurship. The report concludes by highlighting the interconnectedness of leadership and management in contemporary business environments.