Who should be the voice behind corporate tweets?

This is a popular question kicking around the PR world: Should an organization’s Twitter account be the brand or an actual employee of the company? “Brands have one uniform voice,” Danielle Cyr wrote for PRBreakfastClub . “They don’t have to recreate their Twitter handle when an employee leaves or risk one employee’s voice or personality turning off potential consumers. But can a brand build relationships as effectively as [personalities] of the Twitterverse?&#822…