Power List 2013: MARTHA NELSON

Editor in Chief, Time Inc., 60

The founding editor of InStyle, Nelson has steadily risen up the chain of the publishing company founded by Henry Luce and Briton Hadden. Despite the turmoil Time Warner undergoes as it reshapes itself and the big losses Time Inc. continues to report, Nelson became just the seventh editor in chief in the company's 90-year history and the first woman. Although circulation has declined, Nelson oversees immensely popular and venerable titles -- People, InStyle, Sports Illustrated, Time, Fortune -- that continue to reach millions of Americans and are clear market leaders.

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