Dr. Charles (Chuck) Kutscher is a Fellow of the University of Colorado Renewable and Sustainable Energy Institute (RASEI). Dr. Kutscher spent 4 decades as a renewable energy researcher and manager at the National Renewable Energy Laboratory (NREL) and was the Director of the Buildings and Thermal Sciences Center when he retired from NREL in July 2018. He is a Fellow of the American Solar Energy Society (ASES) and served as the Society’s chair in 2000 and 2001. He chaired two major energy conferences: the 2006 National Solar Energy Conference and the 2012 World Renewable Energy Forum. He also served as U.S. Representative for the International Energy Agency (IEA) Solar Heating and Cooling Program Task 14, "Advanced Active Solar Energy Systems."