Henri Fayol was a French management theorist who developed a set of principles to improve organizational efficiency. His principles emphasize the importance of planning, organizing, leading, and controlling within a business. Fayol believed that effective management could be achieved by following these guidelines, which include division of work, authority and responsibility, and unity of command. Fayol's principles also highlight the significance of discipline, equity, and stability in an organization. By fostering a positive work environment and encouraging teamwork, managers can enhance productivity and employee satisfaction. Overall, Fayol's principles serve as a foundation for modern management practices.