Jeff May, MA, CMC, principal of May Indoor Air Investigations (www.mayindoorair.com) has over 30 years of experience investigating moisture, mold, odor and indoor air quality problems in thousands of offices, schools, and residential buildings. Along with his wife Connie, he is the co-author of My House is Killing Me! (Ed. 1, 2001, Ed. 2, 2020); Jeff May’s Healthy Home Tips (2008); My Office is Killing Me! The Sick Building Survival Guide (2006); The Mold Survival Guide: For Your Home and for Your Health (2004), all published by the Johns Hopkins University Press.