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Clark Williams-Derry focuses on the finances North America’s oil, gas, and coal industries. His areas of expertise include: the long-term financial performance of North American oil & gas companies, particularly fracking-focused enterprises; company- and basin-specific studies of oil and gas production; U.S. LNG exports in the context of global markets; and U.S. and Canadian coal export projects.

Prior to joining IEEFA, Clark served for 15 years as the research director for Sightline Institute, a Seattle-based think tank and research center. Before that, he worked for Environmental Working Group, Grist Magazine, and the National Audubon Society.

Clark’s research and commentary has been featured on CNN, the Washington Post, NPR Marketplace, Barron’s, and many other national and regional news outlets.

Clark holds a bachelor’s degree in mathematics and philosophy from Yale University, where he graduated summa cum laude.

Languages: English (fluent), Spanish (proficient), French (basic)

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