Exceptional environmental and educational consulting services

Greg Kleinheinz, R.S., Ph.D, Principal of GTK Consulting, LLC has over 20 years of experience in environmental and educational consulting. He has conducted more than 1,000 indoor air quality investigations and is the most experienced indoor air quality expert in Wisconsin. With education and experience in chemistry, microbiology, engineering, environmental health, and the building industry, we can assist you with a wide-variety of projects.

Dr. Kleinheinz has a B.S. from Northern Michigan University where he studied Biology and Chemistry and a Ph.D. in Environmental Microbiology from Michigan Tech University.  He is a Registered Sanitarian (RS) in Wisconsin and Michigan and is a licensed well pump installer in Wisconsin.  He has also been a licensed contractor and has experience with both residential and commercial construction techniques.  Dr. Kleinheinz has over 20 years of experience working on environmental health issues and has conducted over 1,000 home or business inspections related to water and mold issues.  Dr. Kleinheinz has presented mold remediation and fungal sampling data at professional meetings, conducted public health training sessions, and has peer-reviewed publications associated with site inspections and mold sampling of remediated homes and businesses.  He has conducted over $10 million dollars of research on environmental health issues throughout the Great Lakes region, mentored undergraduate and graduate students, and taught a variety of microbiology and environmental health courses at both the undergraduate and graduate level.  Additionally, he has completed additional training in microscopic mold identification and immunology.

Dr. Kleinheinz and his associates have the most extensive combination of education, professional credentials, and experience in mold amplification site evaluation and testing in the State of Wisconsin.

Let us help you