The article explores the relationship between organizational culture, leadership, and management. It highlights that while both leadership and management are essential for organizational success, they have distinct roles and responsibilities. Leadership is defined as setting a new direction or vision for a group, while management involves directing and controlling people and resources according to established principles. The article emphasizes that effective leadership and management are complementary and must work together to achieve organizational goals. It also discusses the challenges of diagnosing and changing organizational culture, and introduces the Organizational Culture Assessment Instrument (OCAI) as a tool for assessing and modifying organizational culture. The conclusion reiterates the importance of understanding the differences between leadership and management and the need for a shared culture to support organizational change.The article explores the relationship between organizational culture, leadership, and management. It highlights that while both leadership and management are essential for organizational success, they have distinct roles and responsibilities. Leadership is defined as setting a new direction or vision for a group, while management involves directing and controlling people and resources according to established principles. The article emphasizes that effective leadership and management are complementary and must work together to achieve organizational goals. It also discusses the challenges of diagnosing and changing organizational culture, and introduces the Organizational Culture Assessment Instrument (OCAI) as a tool for assessing and modifying organizational culture. The conclusion reiterates the importance of understanding the differences between leadership and management and the need for a shared culture to support organizational change.