Daniel Yergin
Daniel Howard Yergin (born February 6, 1947) is a Pulitzer Prize-winning American author, speaker, and economic researcher. Yergin is the co-founder and chairman of Cambridge Energy Research Associates, an energy research consultancy that is now part of IHS Inc. He is best known as author of The Prize: The Epic Quest for Oil, Money, and Power and The Quest: Energy, Security, and the Remaking of the Modern World.