BBC Trust chairman Sir Michael Lyons is to step down from his post, he has announced.
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Bbc Trust chairman Sir Michael Lyons to step down
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Retailer HMV CEO Simon Fox steps down
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Hutchison will step down
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CBI boss Richard Lambert to step down in 2011
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G4s boss Nick Buckles steps down
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Real Networks' CEO Rob Glaser steps down
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Dobson resigns as chairman
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Head of rating agency S&P stepping down
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Sir John Rose to step down from Rolls-Royce
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British minister steps down
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Yahoo's Yang to step down
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IHG announces that Andrew Cosslett to step down as Chief Executive
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James Murdoch to step down as chairman of British Sky Broadcasting
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Harps boss Hegarty steps down
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Shibu Soren agrees to step down
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Filtronic's chief executive to step down
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Chief financial officer of the Huffington Post to leave