Empire Company announced that it has appointed two new executive vice-presidents to oversee its grocery store network. Lyne Castonguay will become executive vice-president, store experience, changing from her prior role as executive vice-president, merchandising, while Pierre St-Laurent will serve as executive vice-president, merchandising and Quebec. Both report to Chief Executive Michael Medline. The company said Jason Potter, executive vice-president, operations, has left the company.