Unisys West, a joint venture owned by Unisys and BankWest, has appointed Trevor Lewis as strategic business development director for the Australian mineral and mining resources sector. Lewis joins the Unisys West management team and will also serve in the Unisys industrial products, outsourcing and infrastructure services teams. He will perform the new business development role for both organisations out of the Unisys Melbourne branch. Lewis joins Unisys West from CSC Australia where he was vice president and managed the global infrastructure and applications outsourcing account for BHP Billiton. Prior to that he was CSC's chief operating officer for its financial services group, managing the company's vertical business.