This article discusses the similarities and differences between leadership and management, exploring their roles and responsibilities in an organization. It also delves into various leadership theories and their impact on team performance. Additionally, it highlights the importance of leadership training and development for organizations, emphasizing the benefits it brings in terms of motivation, performance, and efficiency. The evaluation of the NHS Leadership Development Programme, specifically the Elizabeth Garrett Anderson programme, is also included, showcasing its significance in developing mid-level leaders in the healthcare industry.