Michael J. Economides is Professor of Chemical and Biomolecular Engineering at the University of Houston, US. One of America's leading energy analysts, he has done technical and managerial work in over 70 countries. He is the author with Ron Oligney of The Color of Oil: The History, the Money, and the Politics of the World's Biggest Business (2000), which looks at how petroleum dictates international politics and was nominated for a Pulitzer prize. Andrés Cala is a journalist in Spain whose career spans three continents and over a dozen countries, specializing in geopolitics and energy. His work has been published by some of the world's leading publications, including The New York Times, The Wall Street Journal, Dow Jones Newswires, The Christian Science Monitor, and TIME Magazine. He is also the European correspondent of Energy Tribune.