Kerr Mines Inc. appointed David Thomas as vice president of projects and Copperstone mine general manager. He has held key roles in constructing mines such as the Kupol mine for Bema Gold (now Kinross Gold), Fort Knox and Kubaka mines for Kinross Gold, Kensington and Palmarejo mines for Coeur Mining, Hope Bay for Newmont, and Pogo and Red Dog for Cominco (now Teck Resources).