This report examines personal and professional development within the context of Marriott International. It begins with an introduction to personal and professional development, highlighting the benefits for various stakeholders, including employees, investors, customers, and the government. The report then delves into the expected skills and competencies of employees in the hospitality industry, focusing on communication, teamwork, work ethic, and problem-solving. It assesses specific skills and competencies required for a marketing manager role, including communication, teamwork, critical thinking, creativity, and analytical skills, along with relevant competencies such as financial management. Furthermore, the report reviews various learning theories and professional approaches used for personal and professional development, such as behaviorist, cognitivist, constructivism, classical conditioning, operant conditioning, and social learning theories. A personal development plan is designed to enhance skills and competencies in a specific work context. The report also includes a job interview analysis for a suitable service industry role, evaluating the strengths and weaknesses of the interview process. Finally, the report concludes with a summary of the key findings and insights, providing a comprehensive overview of personal and professional development within the hospitality sector, with a specific focus on Marriott International.