Rick Wartzman

Rick Wartzman is the executive director of the Drucker Institute, a social enterprise at Claremont Graduate University, whose mission is strengthening organizations to strengthen society. He is the author or editor of five books and for 20 years was a reporter, editor and columnist at The Wall Street Journal and Los Angeles Times.

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The Uber Challenge

This post marks the debut of The Drucker Difference on Time.com. It will appear every Wednesday.

In his 1976 biography of Peter Drucker, John Tarrant underscored the management thinker’s popularity by likening him to an eminent orchestra conductor who, hurrying out of a busy urban train station, hopped into a taxi. “Where to?” the

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