This case study examines the leadership and management style of Jeff Bezos, focusing on his role in driving Amazon's success. The report analyzes Bezos' characteristics, including his transformational leadership, strategic patience, and customer-centric approach. It explores whether he is primarily a manager or a leader, concluding he is both, utilizing management skills to complement his leadership qualities. The study highlights key aspects such as his big-picture thinking, risk-taking, and emphasis on regret minimization. Furthermore, it discusses the potential consequences of his leadership style, particularly in the context of future business environments. The analysis incorporates leadership and change theories to critically assess Bezos' impact on Amazon's growth and competitive advantage, providing a comprehensive evaluation of his leadership effectiveness.