Sheffield Resources Limited announced the appointment of Mr. Stuart Pether to the role of Chief Operating Officer (COO), underpinning the progression of the company's Thunderbird Mineral Sands Project in northern Western Australia toward production. Mr. Pether is a mining professional with over 25 years' experience in the resources industry, including experience in project development, technical studies, mine operations and corporate management. Most recently he was the CEO of Kula Gold Limited and previously the Vice President, Project Development, for Evolution Mining and prior to that Chief Operating Officer for Catalpa Resources. Mr. Pether's appointment is effective 1 April 2017.