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An industrial engineer, Pietrangelo is the Nuclear Energy Institute’s (NEI) vice president of regulatory affairs. At NEI, he handles oversight of nuclear plant security, emergency planning, and regulation initiatives. He also oversees the industry’s interaction with the Nuclear Regulatory Commission staff and senior management and presentations to the commission on regulatory reform and other topics. Prior to joining NEI, he worked at Westinghouse Electric Corp. as a project engineer, working on nuclear power plants in Brazil, South Korea, and the United States.