Daniel Howard Yergin (born February 6, 1947) is an American author, speaker, energy expert, and economic historian. Yergin is vice chairman of IHS Markit, a research and information company which absorbed his own energy research consultancy Cambridge Energy Research Associates in 2004. He has authored or co-authored several books on energy and world economics, including the Pulitzer Prize-winning The Prize: The Epic Quest for Oil, Money, and Power (1991) and The Quest: Energy, Security, and the Remaking of the Modern World (2011). Yergin's articles and op-eds on energy, history, and the economy have been published in publications such as The Wall Street Journal, The New York Times, The Washington Post, and The Financial Times. All of Yergin's books have been drafted in long-hand. Currently a director on entities such as the Council on Foreign Relations and the United States Energy Association, he is also a trustee of the Brookings Institution and a long-term advisor to several U.S. administrations. He is also chairman of the annual CERAWeek energy conference.