Following John Hayes decision to step down  as president of Corus Radio, Corus Entertainment Inc. has announced changes to its leadership structure. John Cassaday, president and CEO of Corus Entertainment Inc. will take over as head of Corus Radio effective September 2. Mario Cecchini, Chris Pandoff, Doug Rutherford and Bryan Ellis will become vice presidents for Ontario, Quebec and the West. In addition they take over the roles of vice presidents for planning. Rutherford will also be in charge of the Edmonton Radio cluster.