From Longman Dictionary of Contemporary Englishspin doctorˈspin ˌdoctor noun [countable] informal PGPERSUADEsomeone whose job is to give information to the public in a way that gives the best possible advantage to a politician or organization White House spin doctors
Examples from the Corpus
spin doctor• At 46 he's now director of corporate communications at Whitbread's Brewery what others might call a spin doctor.• It will take a masterly spin doctor to conjure upbeat images from a bleak Kansas youth.• The senator's spin doctors are working overtime to explain away his recent lawsuit. 