Dr. Ryan Wiser is a Senior Scientist in and Senior Advisor to the Electricity Markets and Policy Department at Lawrence Berkeley National Laboratory. Ryan helps lead a 40-person department that seeks to inform public and private decision making within the U.S. electricity sector through research on electric system planning, reliability and regulation as well as on energy efficiency, renewable energy, and demand response. Ryan specifically manages a research program on renewable electricity systems, including on the costs, benefits, impacts and market potential of renewable electricity sources; on electric grid operations and infrastructure impacts; on public acceptance and deployment barriers; and on the planning, design, and evaluation of renewable energy programs.