Bill Wise is a highly experienced and globally recognised base metal and concentrate marketing consultant, with an unmatched understanding of Century zinc concentrate and downstream smelting of Century product. He was general manager for global metal and concentrate marketing and sales for Zinifex, historical owner of the Century Zinc Mine, and was responsible for the first zinc and lead offtake contracts established for the Century mine. Mr Wise was also responsible for managing the purchasing of large volumes of base metal concentrate for the various Zinifex smelters for more than a decade. From these smelters, he managed the sales of finished metal products including special high grade zinc, diecasting alloys and continuous galvanising grade zinc. In 2005, Mr Wise established a successful consultancy business, serving the mining and metal sales industries in both Australia and overseas.