Jeffrey Pfeffer is an American organizational theorist and professor known for his work in the field of management and organizational behavior. He is a faculty member at the Stanford Graduate School of Business and has authored several influential books, including "Power: Why Some People Have It and Others Don't." His research focuses on the dynamics of power in organizations and how it affects workplace behavior. Pfeffer's contributions to management theory emphasize the importance of understanding social dynamics and the role of power in achieving success. He has been a prominent voice in discussions about leadership, organizational culture, and the impact of human behavior on business outcomes. His insights are widely referenced in both academic and practical contexts.