He received his Ph.D. from the University of Wisconsin through the Solar Energy Laboratory; his dissertation involved heat and mass transfer in desiccant cooling systems. His current research activities focus on the design, operation, and analysis of building energy systems, including building energy controls, HVAC systems, desiccant cooling, building system simulation, and indoor air quality. He was previously employed at United Technologies Carrier performing development and analysis of control algorithms for advanced residential and commercial HVAC systems. He is an active member of ASHRAE and is a registered professional engineer.