Dr. Leslie Abrahams is a leading expert in energy systems, clean technology innovation, and climate policy. As deputy director and senior fellow with the Energy Security and Climate Change program at the Center for Strategic and International Studies (CSIS), she provides strategic insight at the intersection of energy security, emerging technologies, and decarbonization pathways. Prior to joining CSIS, Leslie served as assistant director for clean energy and energy systems innovation at the White House Office of Science and Technology Policy where she helped shape federal energy policy and advance technology deployment. She previously served as a policy fellow with Elemental Impact where she focused on climate finance and emerging clean energy technologies. She was also previously the director of energy systems analysis at Clean Air Task Force where she led research on decarbonization pathways and scaling clean energy infrastructure to manage risk and uncertainty. Leslie holds a doctorate in engineering and public policy and civil and environmental engineering from Carnegie Mellon University and a BS in chemical engineering from Washington University in St. Louis.