The appointment is effective immediately and coincides with the marketing director's departure.
Shakers are designed to look like Kettle Chips packs.
Activation marks end of 60th anniversary celebrations.
Bacon led marketing at Viacom's MTV and Channel 5 before WPP.
Former owner sold retailer for £1 in May.
Agencies need this rare breed because the days of the creative team cooking up the big idea are over.
Brands want to see more women behind the lens, so the creative industries must act.
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Sharpe had been CEO of merged shop for 10 weeks.
Newspaper rivals News UK, The Guardian and The Telegraph have launched a premium marketplace for video advertising in a rare act of industry unity.