Sandra (Sandy) Stash has over 35 years of international executive and non-executive board experience. Her professional career spans top leadership positions in general management, commercial negotiations, engineering and operations, supply chain management, HSE and external affairs in the oil and gas and hard rock and coal mining industries. Through direct oversight of several very public and controversial natural resource, public health, community and environmental issues in these sectors, Sandy is recognized for her unique capabilities in bridging the extractive sector to external stakeholders - in government, civil society and at community level. She has deep business and operations experience on six continents, including North and South America, Asia and Australia, Africa, and Europe. Sandy is a Non-Executive Director (NED) of FTSE 250-listed Diversified Gas & Oil PLC and EDF Energy Thermal Generation Limited Board, and serves on the boards of the Colorado School of Mines, Trans Mountain Company (TMC), First Montana Bank, and Lucid Energy. A petroleum engineer by training, Sandy was one of the first women to work as a drilling engineer and rig supervisor at locations across North America.