Bob Perciasepe is President of the Center for Climate and Energy Solutions (C2ES), an independent, nonpartisan, nonprofit organization working to forge practical solutions to climate change.

Mr. Perciasepe has been an environmental policy leader in and outside government for more than 40 years, most recently as Deputy Administrator of the U.S. Environmental Protection Agency (EPA), where he oversaw stricter auto emissions standards and carbon emissions standards for power plants.

Previously, he served as chief operating officer of the National Audubon Society, Secretary of the Environment for the state of Maryland, and as a senior planning official for the city of Baltimore.