Dr. David L. McCollum is a Senior R&D Staff in the Transportation Analytics and Decision Sciences (TADS) Group at Oak Ridge National Laboratory, with expertise spanning energy-economics, engineering, public policy analysis, and corporate advisory services. His research attempts to inform state, national and global energy and environmental issues on matters related to, among others, deep decarbonization, net-zero emissions pathways, energy-transport-climate policies, electric sector planning, end-use sector electrification (transport, buildings, industry), sustainable development goals (including inter-dependencies), financing needs for the energy system transformation, and human dimensions of climate change. He employs energy-economic systems and integrated assessment models in support of this work (e.g., MESSAGEix-GLOBIOM, TIMES-MARKAL, REGEN).Before joining ORNL, David was a Senior Research Scholar with the Energy Program at the International Institute for Applied Systems Analysis (IIASA) in Laxenburg, Austria, and a Principal Technical Leader at the Electric Power Research Institute (EPRI) in Palo Alto, California. He currently holds secondary appointments as Guest Senior Research Scholar at IIASA; Research Fellow in Energy and Environment at the Howard H. Baker Jr. Center for Public Policy at the University of Tennessee; and Honorary Senior Research Fellow at Imperial College London. The latter is is in his capacity with the Intergovernmental Panel on Climate Change (IPCC) Technical Support Unit (TSU - Working Group III) for the Sixth Assessment Report (AR6). David 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).ORNL: www.ornl.gov/staff-profile/david-l-mccollumGoogle Scholar: https://scholar.google.com/citations?hl=en&user=LjmiTtQAAAAJ&view_op=list_works&sortby=pubdate