He was there when Henry Paulson ousted Jon Corzine (who had plucked Thain from obscurity and named him CFO) to take sole command of the chief executive job.

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As president, he was Chief Executive Carly Fiorina 's second in command, responsible for day-to-day operations.

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Most companies have retirement ages woven into their employment policies, and they apply to everyone in the chain of command, including the chief executive officer.

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Nardelli is the second executive from outside the auto industry to take command of a major U.S. carmaker.

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Within months after taking office, President Obama established an executive-branch cybersecurity coordinator and a new Cyber Command colocated with the super-secret National Security Agency at Fort Meade, MD.

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In mid-May it invited Seacrest to sit on a closed-door panel at a three-day conference with Yahoo Chief Executive Carol Bartz and Facebook's second-in-command, Sheryl Sandberg. (He talked about using outlets like Twitter to chart trends, stay connected and gauge stars' appeal for casting purposes.) Among leaders that included Jamie Dimon (JPMorgan Chase), Warren Buffett and Bill Gates, Seacrest was the only rep from Tinseltown.

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After receiving the fine in February, NR chief executive Iain Coucher said his company had put "military-style" command posts in place, and pledged the delays suffered by passengers over New Year would not be repeated.

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Its new policy covers conduct of the firm's 12 executive officers and holds them accountable for events that occur under their chain of command.

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Much more importantly, it requires someone who will, from Day One, have the confidence of that community's professionals and command the respect of Congress, his or her counterparts in the executive branch, foreign interlocutors, the public and the press.

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"Our devices are an extension of ourselves, and are quickly evolving into truly intelligent and intuitive assistants that not only act on our command, but also anticipate our needs, " said Michael Thompson, executive vice president and general manager, Nuance Mobile.

ENGADGET: Dragon Mobile Assistant 3.0 can share locations, call meeting numbers for you