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David L. McCollum

Senior Research Scientist, University of Tennessee

Dr. David McCollum is a Principal Technical Leader in the Energy Systems and Climate Analysis Group at the Electric Power Research Institute (EPRI). His main fields of scientific interest include techno-economic analysis of advanced energy and transport technologies and the development and application of energy-economic systems (integrated assessment) models for scenario analysis. His research attempts to inform national, regional, and global energy and environmental policies on matters related to, among others, electrification, low-carbon transport, sustainable development goals, and financing needs for the energy system transformation. Before joining EPRI, Dr. McCollum was a Senior Research Scholar with the Energy (ENE) Program at the International Institute for Applied Systems Analysis (IIASA) in Laxenburg, Austria. He also holds an appointment as a Research Fellow in Energy and Environment at the Howard H. Baker Jr. Center for Public Policy at the University of Tennessee.

Dr. McCollum serves as a senior scientist with the Intergovernmental Panel on Climate Change (IPCC) Technical Support Unit (TSU - Working Group III) for the Sixth Assessment Report (AR6). He previously led activities within the Global Energy Assessment; IPCC Fifth Assessment Report (AR5 - WG III); IPCC Special Report on Global Warming of 1.5 °C; and other international, multi-stakeholder initiatives, such as for the World Bank and International Council for Science (ICSU).

Dr. McCollum received a PhD and MS in Transportation Technology & Policy from the University of California, Davis (USA), Institute of Transportation Studies; an MS in Agricultural & Resource Economics from the same institution; and a BS in Chemical Engineering from the University of Tennessee (USA).


  • –present
    Research Fellow in Energy and Environment, University of Tennessee