BlackBerry replacing CFO; two other top execs leaving

By Euan Rocha TORONTO (Reuters) - BlackBerry Ltd said on Monday that three top executives, including its chief financial officer, are stepping down as part of a widely expected shake-up after it named an interim chief executive and shelved plans to sell itself. James Yersh is replacing Brian Bidulka as CFO, although Bidulka will stay on as an adviser through the end of the fiscal year. The troubled smartphone maker, based in Waterloo, Ontario, said Kristian Tear, its chief operating officer, and Frank Boulben, its chief marketing officer, will leave. BlackBerry also said Roger Martin, a board member since 2007, has resigned.

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