This case study critically evaluates the leadership of Jeff Bezos, the founder and CEO of Amazon, from the perspective of various leadership theories. It explores behavioral, situational, contingency, transformational, transactional, and distributed leadership styles, examining how Bezos' approach aligns with each theory. The analysis considers the effectiveness of his leadership qualities and their impact on Amazon's growth and performance. The study also touches upon ethical leadership and critical leadership perspectives, concluding that selecting the appropriate leadership style is crucial for enhancing organizational efficiency and employee performance. The report references academic works to support its analysis of Bezos' leadership.