Paul is the principal engineer for the Commercial Buildings Research Group and has been at NREL since 1994. Prior to this role, he was the group manager for the Commercial Buildings Research Group. He also spent three years as a technical advisor to the U.S. Department of Energy in Washington, D.C. Paul was instrumental in creating the process to achieve the Zero Energy Building status for NREL's Research Support Facility.

Paul has authored or co-authored more than 50 papers and articles related to energy efficiency and zero-energy commercial buildings. Among his many awards, Paul has received two ASHRAE Technology Awards for his energy-efficient buildings work and two Energy User News magazine's Efficient Building Awards. Paul has been key in the development of the Advanced Energy Design Guide series from ASHRAE and has chaired two of the guides for K-12 schools and grocery stores.

He has also been an adjunct faculty member at Colorado School of Mines and the University of Denver. He is a registered professional engineer.


Ph.D., Mechanical Engineering, Purdue University

M.S., Mechanical Engineering, Purdue University

B.S., Mechanical Engineering, Worcester Polytechnic Institute