These presentation slides provide a basic introduction to quality improvement (QI) as it pertains to the National Public Health Performance Standards (NPHPS) and other public health initiatives and activities. Topics in the presentation include the purpose and usage of basic QI problem solving tools, such as flow charts and cause and effect diagrams. These slides were presented by Julia Gray and Jack Moran, Senior Quality Advisor to PHF, at the 2011 NPHPS Training Workshop on Improving Public Health: Exploring Agency, Systems, and Community Health Improvement held in St. Louis, Missouri on May 10-13, 2011.