Peter Drucker made significant contributions to management thought by presenting management as a distinct discipline and by focusing on the effectiveness of organisations and managers. He is often regarded as one of the major thinkers of modern management. His ideas moved management away from a narrow concern with production and control towards people, knowledge, innovation and organisational effectiveness. Drucker emphasised management by objectives (MBO) as an important approach to organisational management. According to him, managers and employees should clearly understand organisational objectives and participate in setting measurable goals. Performance should be evaluated in relation to these objectives. MBO promotes coordination, motivation, responsibility and better performance. Another major contribution of Drucker was his emphasis on decentralisation. He argued that decision-making should be delegated to appropriate levels of the organisation. Decentralisation improves flexibility, encourages initiative and allows managers closer to operations to respond quickly to changing circumstances. He also stressed the importance of selecting and developing