Dwain Lingenfelter served as Vice President of International Government Relations for Nexen Energy Inc., a major international Canadian oil and gas company. He served as Deputy Premier, Leader, and Minister of numerous departments including Economic Development and Agriculture. He also served as President and Chairman of SaskPower Corp, SaskEnergy Corp., TransGas Corp, Saskatchewan Government Insurance (SGI), Saskatchewan Opportunities Corporation, Saskatchewan Trade and Export Partnership and member of the Legislative Assembly for the Province of Saskatchewan for 25 years.