Paul Francisco is the Associate Director for Building Science at the University of Illinois’ Applied Research Institute and is the Director of the Indoor Climate Research & Training group and IREC-accredited weatherization training center. He is also a Sr. Research Associate at Colorado State University’s Energy Institute. He has been performing housing research for over 25 years with a focus on energy efficiency and indoor air quality. Francisco also trains building performance practitioners on building diagnostics, ventilation, healthy homes, and indoor air quality. He is an ASHRAE Fellow, was the chair of ASHRAE 62.2 for five years, and has chaired ASHRAE’s Environmental Health and Residential Buildings Committees. Francisco is a certified BPI Building Analyst, Energy Auditor, Quality Control Inspector, and Healthy Home Evaluator.