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JT Collier,

Fire Investigator


Phoenix, AZ Service Center
407 S. 107th Avenue
Suite A22
Tolleson, AZ





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  • Professional summary

    J.T. Collier has over 29 years of experience in the fire service as a fire investigator, deputy fire marshal, firefighter/paramedic, toxicology paramedic and hazardous materials technician. In 2007, Mr. Collier co-founded and is the owner of Western States Fire Investigations, a company that specializes in fire/arson origin and cause investigations. Mr. Collier has investigated and  determined the origin and cause of fires occurring in commercial structures, industrial sites,    residential homes, restaurant occupancies, agricultural sites, recreational vehicles, commercial vehicles and automobiles. Mr. Collier has extensive training and experience in fire protection systems and inspection of those systems as an Authority Having Jurisdiction (AHJ). Mr. Collier is a Certified Fire Investigator IAAI-CFI through the International Association of Arson Investigators and a Certified Fire and Explosion Investigator NAFI-CFEI through the National Association of Fire Investigators. Mr. Collier has been awarded the grade of Member (MIFireE) in the Institution of  Fire Engineers, USA Branch. Mr. Collier also holds designation as an Evidence Collection  Technician IAAI-ECT through the International Association of Arson Investigators. He has over 1000 hours of classroom and practical instruction directly related to fire/arson investigations. Classes include interviews and interrogations, fire science/behavior, fire dynamics, fire chemistry, fire modeling, flammable liquids, fuel gases, fire origin and cause determination, electrical fire investigation, courtroom testimony, vehicle fire investigations, commercial kitchen suppression systems, and evidence collection/preservation. In addition to fire and arson investigation           training, Mr. Collier is a certified hazardous materials technician with specialized training in   hazardous materials, radiological materials, illicit drug laboratories, fuel gases, explosion scene investigation, and weapons of mass destruction.

    • Commercial, industrial and residential losses
    • Hazardous materials
    • Fire code
  • Education

    Bachelor of Science Public Safety Administration, Grand Canyon University, Phoenix, AZ 2007.

  • Certifications

    Private Investigator, Arizona Department of Public Safety, AZ, License #1709714 & #1652775

    Certified Fire Investigator, International Association of Arson Investigators, #28-091632

    Certified Fire and Explosion Investigator, National Association of Fire Investigators, #12854-7056

    Evidence Collection Technician, International Association of Arson Investigators, #AZ-2903


  • Disciplines
    • Fire Investigations
    • Fire Investigations - Origin and Cause
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