Stephen S. Greene is a former energy and finance executive with extensive experience in commercial and policy issues related to energy. Most recently, he served in senior finance roles, including as chief financial officer for Centrus Energy, a public company engaged in the sale of nuclear fuel and the development of nuclear enrichment technology. He led strategy for Progress Energy, an investor-owned electric utility, and served as practice-area leader for the consultant Pace Global Energy focused on energy markets and risk management. He arranged project financing for PG&E National Energy Group (US Generating Company), a leading independent-power developer and energy trader, and subsequently developed the company’s power market outlook to support project development. Early in his career, he worked at the US Environmental Protection Agency on air-pollution rules. He holds a masters in public policy from the Harvard Kennedy School and a BA in physics from Princeton University.