This report examines the impact of change drivers on Marks & Spencer (M&S) and Wal-Mart, focusing on internal and external factors affecting leadership, teams, and individuals. It explores drivers like commoditization, digital revolution, social mediaization, and globalization, evaluating their influence on organizational behavior. The report analyzes how internal drivers such as capabilities, resources, and innovations, and external drivers including customer demands, technological advancements, and government regulations, affect the companies. It also evaluates measures to minimize the negative impacts of change, including the application of Kurt Lewin's Change Model (unfreezing, changing, refreezing), and discusses various barriers to change, such as limited knowledge, poor communication, negative attitudes, and lack of resources, and how these influence leadership decision-making. The report aims to provide a comprehensive understanding of change management within the retail sector, offering insights into leadership strategies and organizational adaptation.