Lynn Good has had many mentors throughout her career — but few of them were women. "So I'm generationally on the early part of the ascent of women into leadership roles," the Duke Energy president and CEO says. Pat Sullivan/AP hide caption

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Jack Ma speaks in Hangzhou, China, on May 10, 2013. Ma shot to fame as the founder of Alibaba, the pioneering Chinese e-commerce site that's poised to be one of the biggest tech IPOs ever when it goes public in New York. Peter Parks/AFP/Getty Images hide caption

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Employees lift weights near the end of a workout class at the Sherwin-Williams corporate health and wellness center in downtown Cleveland. Sarah Jane Tribble / WCPN hide caption

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AmeriMark employees sort through return orders on the catalog company's processing floor. Sarah Jane Tribble / WCPN hide caption

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The Weather Channel's Jim Cantore reporting from Manhattan's Battery Park during Hurricane Irene in August 2011. Jonathan Saruk/The Weather Channel/Getty Images hide caption

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Federal Reserve Chairman Ben Bernanke during a news conference in June. Financial markets reacted to comments he made then by selling off bonds and stocks. Alex Wong/Getty Images hide caption

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President Obama talked up the Affordable Care Act in San Jose, Calif., in June. Now, the administration has said a key provision affecting businesses won't take effect until 2015. Evan Vucci/AP hide caption

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McKesson CEO John Hammergren, seen here in 2005, has what analysts call the largest pension on record, at $159 million. In his 14 years in a leadership role, the drug distributor's revenues have quadrupled. George Nikitin/AP hide caption

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George Zimmer founded the Men's Wearhouse clothing store in 1973. The company announced Wednesday that he'd been fired. Thomas J. Gibbons/Getty Images hide caption

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A new study finds that while "receiving unearned preferential treatment does generate positive reactions, it is not always an entirely pleasurable experience." Examples include getting a free upgrade on a hotel room. iStockphoto.com hide caption

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