W. Edwards Deming was an American engineer, statistician, and management consultant, best known for his work in quality management. He played a crucial role in the post-World War II economic recovery of Japan, where his ideas on quality control and continuous improvement transformed manufacturing processes. His philosophy emphasized the importance of data-driven decision-making and the involvement of all employees in quality improvement. Deming is often associated with the Deming Cycle, also known as Plan-Do-Study-Act (PDSA), which is a framework for continuous improvement. He also developed the 14 Points for Management, a set of principles aimed at improving organizational effectiveness. His contributions have had a lasting impact on modern management practices and quality assurance.