FORMER Gold Fields Ltd vice president, business development Tommy McKeith has resigned from his position as chief executive officer at West Perth-based gold miner, Troy Resources NL, to take up an executive position with his old employer. Mr McKeith, who will depart the company after September 30, will assume the role of executive vice president and head of exploration at South African-based Gold Fields Ltd. He will remain in Perth and will replace Craig Nelsen in the role. Troy Resources will commence the search for a new CEO immediately.