Graham Collier, SPE, is a consultant in the oil, gas, and energy industry. He has more than 35 years of experience. Collier holds a BS degree in naval architecture and marine engineering from Cardiff University. He began his career with Texaco Overseas Tankships in London, later joining Halliburton Brown and Root in London as a project engineer. Collier has held various global and regional positions through technical, project, corporate, and commercial disciplines within the offshore and onshore oil, gas, and energy industry.