Intelligence Squared US

Was Colorado’s 41st governor. He established Colorado as a national and international leader in renewable energy by building a New Energy Economy that is creating thousands of new jobs and establishing hundreds of new companies. Gov. Ritter served as Denver's district attorney from 1993 to January 2005. He earned his bachelor's degree in political science from Colorado State University (1978) and his law degree from the University of Colorado (1981).

Is an investment advisor to the energy sector and is founder of Tana Energy Capital LLC. She also serves as a Steering Committee member of the U.S. Partnership for Renewable Energy Finance, a group she co-founded in 2009 with other financiers from leading institutions to provide insights to U.S. government officials on renewable energy policy from a capital markets perspective. In 2005, she served in the White House as an advisor on energy and economic policy at the National Economic Council.

Is the author of several books, most recently Power Hungry: The Myths of "Green" Energy and the Real Fuels of the Future (2010). From 2006 to September 2010, he worked as the managing editor of the Houston-based online publication, Energy Tribune. In April 2010, he joined the Manhattan Institute’s Center for Energy Policy and the Environment as a senior fellow. His articles have appeared in dozens of publications including the Atlantic Monthly, Wall Street Journal, Slate, New York Times, and the Washington Post.

writes on a wide range of public policy issues. He is the author of Almanac of Environmental Trends and most recently Mere Environmentalism, an examination of the philosophical presuppositions underlying the environmental movement. He has written biographies of Presidents Jimmy Carter and Ronald Reagan and of Winston Churchill. Hayward is also a senior fellow at the Pacific Research Institute. He contributes to AEI's Energy and Environment Outlook series.