Bryce Roxburgh obtained a Bachelor of Science degree in geology and geophysics from Sydney University in 1971 and a Fellow of the AusIMM. He has over 40 years’ experience in the exploration and mining industry. From 1971 to 1989, Bryce worked for Amoco Minerals Australia Company and Cyprus Mines Corporation and was responsible for the exploration teams which discovered the Selwyn, Red Dome and Junction Reef mines. Between 1989 and 1998, he worked for Arimco N.L. and Climax Mining Limited where he was responsible for the teams which discovered the Didipio mine in the Philippines. In 2003 Bryce and colleague Yale Simpson established Exeter Resource Corporation focusing on gold and copper projects in South America. He was co-Chairman of Extorre Gold Mines Ltd., a successful spinout from Exeter Resource Corporation in 2010, which was bought by Yamana Gold Ltd. in 2012. Bryce was co-Chairman of Exeter until it was purchased by Goldcorp Inc. in 2017.
Yale Simpson has a Bachelor of Applied Science (Geological Engineering) from the University of British Columbia, Canada and is a professional geologist. Yale has more than 30 years’ experience as a senior geologist, exploration manager and CEO of companies involved in precious metals projects in Australia, Africa, Eastern Europe and South America. Those companies included Pennzoil Company, Chevron Exploration, Australmin Holdings, Argosy Gold Mines and Black Swan Gold Mines Ltd. He was Co-chairman of Extorre Gold Mines Ltd., a successful spinout from Exeter, which was bought by Yamana Gold Ltd. in 2012 and was co-Chairman of Exeter until it was purchased by Goldcorp Inc. in 2017. His particular expertise is in strategic resource planning, financing and corporate communications. In addition to Adamera Minerals Corp. Yale is currently a director of Rugby Mining Limited.