Bryan Hannegan is the Associate Director for Energy Systems Integration at the National Renewable Energy Laboratory, the U.S. Department of Energy’s primary national laboratory for energy efficiency and renewable energy research and development. In this role, he leads NREL’s global initiative to optimize links between electricity, fuel, thermal, water, and communication networks in order to enable a more sustainable society. Prior to joining NREL, Dr. Hannegan held several research leadership positions in fossil energy, renewable energy, and environmental science and technology at the Electric Power Research Institute, the non-profit R&D arm of the electric power industry. Earlier in his career, Dr. Hannegan served as a senior energy advisor to President George W. Bush in staff positions for the Council on Environmental Quality and the National Economic Council, and he has also served as a staff scientist for the U.S. Senate Committee on Energy and Natural Resources. Dr. Hannegan is a former elected Director of the Coastside County Water District, and he serves on numerous professional societies and commissions, including the California Council on Science and Technology, the American Meteorological Society’s Board on Global Strategies, and the International Energy Agency’s Renewable Energy Industry Advisory Board. Dr. Hannegan holds a Doctorate in earth system science and a Master of Science in engineering, both from the University of California, Irvine, and he also holds a Bachelor of Science in meteorology from the University of Oklahoma.