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Why Strategy Execution Unravels—and What to Do About It

Artwork: Yayoi Kusama, Infinity Mirrored Room—The Souls of Millions of Light Years Away, 2013, wood, metal, glass mirrors, plastic, acrylic panel, rubber, LED lighting system, and acrylic balls, 113″ x 163 3/8″ x 168 1/8″; ©Yayoi Kusama. Courtesy of David Zwirner, Victoria Miro Gallery, Ota Fine Arts, KUSAMA Enterprise   

Since Michael Porter’s seminal work in the 1980s we have had a clear and widely accepted definition of what strategy is—but we know a lot less about translating a strategy into results. Books and articles on strategy outnumber those on execution by an order of magnitude. And what little has been written on execution tends to focus on tactics or generalize from a single case. So what do we know about strategy execution?

A version of this article appeared in the March 2015 issue of Harvard Business Review.

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