Few thinkers have had a greater impact on business than Peter Drucker, the inventor of modern management, whose legacy continues to influence leaders around the globe. His keen observations about organizations took the form of deceptively simple truths and astute predictions. Concepts such as decentralization, outsourcing, the rise of the knowledge worker, the role of employees as assets, and a focus on the customer—it was Drucker who first expressed them, sometimes decades before they be