Analysts believe that Walsh, who joined the company in 2006, has helped turn round the company post September 11, sorting out the airline's pension deficit, restructuring its regional business British Airways Connect, and delivering cost improvements.

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The new restructuring measures announced today, relating to Sony's headquarters and electronics business operations in Japan are as follows.

ENGADGET: Sony restructuring in Japan: camera lens plant to close with loss of 2,000 jobs

Wall Street responded favorably to the company's latest restructuring plan, which calls for streamlining more operations among three major business units.

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"Cash is the currency when you're settling creditor claims because they're really not equipped to run a business, " said Rick Chesley, co-chair of law firm DLA Piper's restructuring practice who isn't involved in the situation.

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However, profits at the group's grocery division will be lower, due to restructuring costs at its George Weston Foods business in Australia, which has faced increased competition.

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But his rapid acquisition strategy and constant restructuring make it look as if he's more interested in doing deals than in running a business.

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