John Teague has investigated over 700 hundred fires for Fire Cause Analysis, and is certified as a qualified fire investigator with 3 nationally recognized governing organizations: International Association of Arson Investigators (IAAI), National Association of Fire Investigators (NAFI), and California Conference of Arson Investigators (CCAI). He is also certified as a qualified marine investigator with International Association of Marine Investigators (IAMI).

John has experience working in the public sector doing fire investigations, public education, and assisting law enforcement as a Public Safety Diver in searching for victims, weapons, stolen property, vehicles and other submerged objects possibly used in a crime or accident. In addition, he is an active member of the U.S. Coast Guard Auxiliary Flotilla 113-05-05. He has also been a self-employed professional photographer for commercial and documentary photography for over 35 years. John is a qualified instructor of basic fire investigation and fire scene photography.