Nathan Wiltse is an economist and researcher at NREL's Alaska Campus in Fairbanks. Nathan oversees the Social and Economic Analysis section at NREL's Alaska Campus. Prior to joining NREL in 2020, Nathan worked for Cold Climate Housing Research Center, Inc. for 13 years as an economist, project manager, and manager of the Policy Research program. Wiltse's focuses are residential buildings, rural nonresidential buildings, statewide programs and policies, and economic and energy analyses. His projects have included assessments of Alaska's statewide building stock, economic analysis of Alaska's energy efficiency programs, and policy guidance to the Alaska Legislature on improving energy performance and durability of public buildings.