In this research case study, the degree of applying Lean Thinking in The Hospitality Industry is presented by measuring the effectiveness of service management on assessment at Ritz Carlton Hotel. Although Toyota Motors have started lean thinking as a manufacturing philosophy, it has been successfully expanded to the service industry across the globe. The main idea in lean thinking is the continuous strive towards reducing waste and adding value at all stages of the product/ service provision. The main focus of the study consists of assessing lean thinking applications in the housekeeping operations and quality management strategies in the only company to-date to receive two Malcolm Baldrige Quality National Award; The Ritz-Carlton Hotel. Studying the multiple factors contributing in that success, including their implementation of waste-reducing practices and compare this managerial approach to lean thinking.