Orosur Mining Inc. announced the appointment of Walter Muelebach as General Manager of Exploration. Walter is a Chilean national and has worked for Xstrata Copper/Noranda as a Program Manager over the past 14 years. He has also previously worked for Teck Chile and Anglo American Chile in the Maricunga Belt, where Orosur has its Pantanillo project. Walter has a degree in Geology from the Universidad Catolica del Norte.