Gregor has held a joint appointment at NREL since 2013. Outside of NREL, he is professor of architectural engineering at the University of Colorado Boulder, where his teaching focuses on thermal sciences fundamentals, mechanical systems design, energy system modeling, building control and automation systems, advanced solar systems, data analysis for energy scientists and engineers, as well as sustainable building design. His research includes model predictive optimal control in buildings, control strategies for mixed-mode buildings, uncertainty quantification of occupant behavior as well as the integration of building energy system operations with the electric grid system. He is a professional mechanical engineer, certified high-performance building design professional (HBDP), member of ASHRAE, fellow of the Renewable and Sustainable Energy Institute, as well as co-founder and chief scientist of QCoefficient, Inc.


Ph.D. Civil Engineering, University of Colorado Boulder

Dipl.Ing. Energy and Process Engineering, Technical University of Berlin

M.S. Mechanical Engineering, Oregon State University