This report provides a comprehensive analysis of the hospitality sector, using Marriott International as a case study. It begins with an introduction to the sector, defining its various segments, including food and beverage, travel and tourism, lodging, recreation, and entertainment. The report then delves into the operational and functional departments within Marriott International, such as housekeeping, food production, front office, marketing, HR, and finance. It explores the hospitality industry's contribution to local, national, and international economies, highlighting job creation and revenue generation. The report investigates various operational roles, including executive management, front desk services, and marketing, and assesses the essential skills required for success in these roles, such as teamwork, multitasking, and time management. The report incorporates PESTEL and SWOT analyses to evaluate the external environment and identify current and potential trends, such as political stability, economic fluctuations, social preferences, technological advancements, and environmental concerns, and their implications for the hospitality sector. The report concludes with a summary of findings and recommendations.