Yale Simpson, Chairman. Yale Simpson has a Bachelor of Applied Science (Geological Engineering) from the University of British Columbia, Canada. Yale has more than 40 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 Mining Corp. and Black Swan Gold Mines Ltd. Yale was co-Chairman of Extorre Gold Mines Ltd., a successful spin-out from Exeter Resource Corporation, which was bought by Yamana Gold Ltd. in 2012.