TORONTO – Ad agency m/SIX, a division backed jointly by GroupM and The&Partnership, announced today it has named media veteran Tricia Allen as president, Canada.Allen brings 23 years of experience building agency businesses in both Canada and the U.S. to the role, says the press release. She joins the company from IPG’s Orion Worldwide where she served in a variety of roles including as managing director, Canada and managing director, North America. Prior to Orion, Allen was director of media strategy at Shaw Media where she oversaw all media strategy development and execution of consumer campaigns for Shaw’s global television...