MDN Inc. announced the appointment of Robert LaValliere as the company's vice president, corporate development. Before joining MDN, Mr. LaValliere was vice president, corporate affairs for Anvil Mining, a copper producer, prior to which he was manager, investor relations at Cambior. Robert LaValliere has over 25 years of experience in the mining industry, covering exploration, project assessment, mergers and acquisitions and communications, both nationally and internationally.