Shaw Communications Inc. said Thursday it has made a number of changes affecting the executive positions at its media division. The company said it appointed Christine Shipton senior-vice president and chief creative officer, named Dervla Kelly vice-president of marketing and communications, and named Greg Treffry as vice-president of business development and media digital strategy. The company also said it has created the position of senior vice-president and chief revenue officer, which it said would “consolidate all revenue components of the business — broadcast, digital and distribution sales and branded content.” It added it was currently searching for someone to fill that position. “The organizational realignment is focused around strengthening the two core pillars in Shaw Media's business,”...