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Robert Trenkle, CFI, CFEI

Fire Investigator


Michigan Service Center
1950 Sequoia Trail



Telephone 2




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  • Professional summary

    Mr. Trenkle has more than 46 years’ experience conducting fire investigations to determine fire cause with the City of Detroit Fire Department and in the private sector since 1981. He has investigated more than 11,000 fires and has over 2000 hours of educational training in the fire investigation field at seminars and in college classrooms. Mr. Trenkle has been qualified as an expert in criminal and civil cases in various states, in Canada and has investigated fires to determine cause throughout North America, including Mexico. Mr. Trenkle has taught two fire investigation classes at Madonna University, Livonia, MI for the past 28 years, teaching a basic and advanced class in fire investigation techniques.

  • Certifications

    Certified Fire Investigator, IAAI, #05-006

    Certified Fire and Explosion Investigator, NAFI, #6983-2550

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