This assignment examines the relationship between leadership and management in a contemporary business environment, focusing on the case study of Sainsbury's. It explores how Sainsbury's management and leaders have implemented sustainable practices and CSR initiatives, demonstrating the crucial role of both leadership and management in driving positive change within an organization. The paper analyzes Sainsbury's sustainability standards program, its '20 by 20' plan, and its partnership with Biffa for waste recycling, highlighting the company's commitment to environmental responsibility and social impact. It also discusses the importance of leadership in setting the vision and values for sustainability, while management plays a vital role in operationalizing these initiatives and ensuring their successful implementation.