Euan Mearns has B.Sc. and Ph.D. degrees in geology from The University of Aberdeen. He worked as a researcher at The University of Oslo and then The Norwegian Institute for Energy Technology for a total of 8 years. In 1991 he set up a company in Aberdeen, Scotland providing isotope analyses to the international oil industry. His company worked for over 60 exploration and production companies world wide but eventually ran out of reservoirs to characterise and the company was sold in 2001. Between 2006 and 2013, Euan wrote for The Oil Drum blog, a well-read and respected blog covering energy security, oil and gas production, and Peak Oil theory. Since 2009, Euan has been an Honorary Research Fellow at the University of Aberdeen. In 2013 he started his own blog called Energy Matters that can be found at euanmearns.com. His main interests lie in understanding energy systems, forecasting, and energy policy.