For the first time ever, Peter Drucker's widely influential marketing wisdom collected all in one volume Considered the single most important thought leader in the world of management, Peter Drucker had an equally significant influence on the discipline of marketing. Drucker on Marketingorganizes into a cohesive volume Drucker's writings on innovation, entrepreneurship, strategy, and product introduction through the lens of marketing. William A. Cohen, Ph.D., has written two books on Drucker and serves on the Board of Visitors of the Peter F. Drucker and Masatoshi Ito Graduate School of Management. He is also Vice President of the Peter Drucker Academies of China and Hong Kong.