News Corp. promotes Julie Henderson to executive vice president/chief communications...

News Corp. promotes Julie Henderson to executive vice president/chief communications officer of 21st Century Fox, the media and entertainment company to be separated out of the firm, and she remains chief spokesperson … Gray Television President and Chief Operating Officer Robert Prather resigns, and CEO Hilton Howell Jr. is also now president … BIA/Kelsey promotes analysts to vice presidents: Michael Boland for content; and Jed Williams, consulting; and names Warren Kay, Trada, executive-in-residence, effective July 1 … LSN Mobile hires Pascal Racheneur, ex-AccuWeather, as senior vice president-products.