John, together with his wife Lydia, has owned and operated Orlando, Florida based Indoor Air Quality Solutions since 2001. John is a Building Envelope & Indoor Environment Consultant specializing in building product failure investigations, forensic water intrusion investigations, and building envelope failure investigations for commercial and residential structures. John and Lydia also provide indoor environmental assessments and mold & odor investigations. John is the current President of the Indoor Air Quality Association, a Florida Licensed Mold Assessor and ACAC Certified Indoor Environmental Consultant. John has served as an expert witness in over 100 court cases involving indoor air quality, mold, building envelope failure, building product failure and spray polyurethane foam insulation.