John has over 25 years of experience as a fire fighter, including over 17 years of experience as a fire investigator. He has conducted both criminal and civil fire investigations. John has worked with a number of other agencies in task force situations, such as the FBI and ATF, and has courtroom experience testifying as an expert in fire origin and cause. He is currently an active member of the MABAS Division 3 Fire Investigation Team. John is a Certified Fire Investigator by the International Association of Arson Investigators (IAAI) as well as a Certified Fire and Explosion Investigator by the National Association of Fire Investigators (NAFI). He is also certified as a Fire Investigator and Arson Investigator by the State of Illinois, Office of the State Fire Marshal.