This report discusses the historical events of Apple and the managerial skills and leadership qualities of its founders, Steve Jobs and Tim Cook. It explores specific situations in Apple's history that demonstrate various managerial skills and leadership qualities. The report also examines the strengths and weaknesses of Steve Jobs and Tim Cook in managing complexity and leading changes. Additionally, it discusses two theoretical approaches, Six Sigma and Just in Time, for addressing customer fulfillment and quality issues at Apple. The roles of managers in these approaches and the business value of addressing these issues are also explored.