Former Chair of the Colorado Public Utilities Commission (2017–2021), where he presided over major clean energy developments including accelerated coal retirement, grid modernization, and transportation electrification. Also served as Chair of NARUC's Energy Resources and the Environment Committee (2019–2020). Prior to the Commission, served as Director of the Colorado Energy Office in the Hickenlooper Administration. MNM, Regis University; BA in Environmental Economic Policy, Albion College.

Executive Director of The Future of Heat Initiative, supporting regulators and policymakers on the energy transition. Previously founded Groundwork Data, focused on research and technology services for regulators. Earlier served as chief of staff to the mayor of Holyoke, MA, and as a professional at Bridgewater Associates. MBA, Cornell Tech; BA, UMass Amherst.

Senior Fellow in Energy and Environmental Policy at the R Street Institute. Former Executive Director and Chair of the Kentucky Public Service Commission, and former Assistant Attorney General advocating for consumers before state and federal agencies. Leadership roles at NARUC and NERC's Member Representatives Committee. JD, Northern Kentucky University; BS in Finance, Murray State University.

Former Chair of the New Mexico Public Regulation Commission. Co-founder of the Quality Growth Alliance and former Chair of the Southwest Energy Alliance. Served in the New Mexico State Senate advancing consumer protection and responsible energy regulation. BA and MBA, UCLA.

Director of the Northwestern University Institute for Regulatory Law & Economics. Economics faculty at Northwestern since 2000, researching regulation, market design, and electricity industry innovation. Faculty fellow at the Paula M. Trienens Institute for Energy and Sustainability. Member, US DOE Electricity Advisory Committee. Senior fellow at the Abundance Institute and AEI. PhD in Economics, Northwestern; BS cum laude, Miami University.

Professor of Law at Yale Law School, where he teaches and writes about energy law, environmental law, bankruptcy, and financial regulation. His recent work focuses on electric grid reliability and the clean energy transition. Three-time recipient of the Morrison Prize for most impactful sustainability-related legal academic paper in North America. Previously Assistant Professor at the University of Chicago Law School and Visiting Assistant Professor at Cornell Law School. Earlier worked at Morgan Stanley and clerked for Judge J. Harvie Wilkinson III, U.S. Court of Appeals for the Fourth Circuit. Co-author of a leading energy law casebook. B.A., Yale College; M.Sc., London School of Economics; J.D., Yale Law School.

Director of the West Virginia University Center for Energy and Sustainable Development and Professor at WVU College of Law since 2011. Most recently served as Chair of the Massachusetts Department of Public Utilities until November 2025. Earlier career as a partner at Perkins Coie representing leading utilities in retail rate proceedings, and as Assistant to the Chairman at the New York Public Service Commission. LLM in Environmental Law, Pace University; MA in Economics, SUNY Albany; JD with High Honors, University of Iowa; BA with Highest Honors in Economics, University of Northern Iowa.

Former Chairman of the Federal Energy Regulatory Commission (FERC, 2009–2013), the U.S. agency regulating interstate transmission of electricity, natural gas, and oil. Earlier Nevada career included private energy law practice, authoring the state's Renewable Portfolio Standard, and serving as Nevada's first Consumer Advocate for public utility customers. JD, Antioch School of Law; BS in Mathematics, University of Nevada-Reno.