Robert W.J. Macdonald is the vice president of exploration for Southern Silver Exploration. He is also the vice president of geological services for the Manex Resource Group of Companies, and in such capacity has been the Exploration Manager for several publicly listed companies including Homestake Resource Corporation (formerly Bravo Gold Corp.), Valterra Resource Corporation, Duncastle Gold Corp. and Fortune River Resource Corp. Macdonald has overseen the exploration of many projects throughout North America including the discovery and delineation of the high-grade 1.2 million ounce Homestake Ridge Au-Ag deposit in northern British Columbia and is currently advancing Southern Silver's 10 million tonne Cerro Las Minitas Ag-Pb-Zn project, Durango State, Mexico. Macdonald graduated with a B.Sc. (Hons) from Memorial University of Newfoundland in 1990 and earned a MSc. from the University of British Columbia in 1999.