This assignment delves into the world of leadership and management, examining the distinct styles and approaches employed by professionals in various industries. From Six Sigma to Lean management, and sustainable leadership to organizational change, this comprehensive report provides insights into the best practices for effective leadership and management. It also highlights the importance of continuous monitoring and feedback to rectify weaknesses and improve performance. By exploring the works of experts such as Antony, Boone, Bush, Hodges, Lev, Lyubomirsky, Mendenhall, Nkomo, O'Sullivan, Peterson, Qiang, Stuart, Terkel, and Tourish, this assignment offers a unique perspective on leadership and management styles.