This report delves into the core concepts of leadership and management within the service industry, providing a comprehensive overview of classical management theories such as scientific and bureaucratic management, and organizational culture models including power, role, task, and person cultures. It explores the crucial roles of leaders and managers, differentiating between leadership and management styles, including autocratic and democratic approaches. The report analyzes the application of these concepts within the context of Wa-Pila hotel, specifically highlighting the adoption of a democratic leadership style. Furthermore, it compares and contrasts different management and leadership styles, discussing their advantages and disadvantages, and concludes by emphasizing the significance of effective management and leadership in the service sector. The report also includes a list of relevant references for further study.