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Thomas Derby, IAAI-CFI

District Fire Sciences Principal


Las Vegas Service Center (EFI Global)
6380 McLeod Drive, Ste. 15
Las Vegas



Telephone 2




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  • Professional summary

    Mr. Derby is an IAAI Certified Fire Investigator with over thirty-eight years of fire investigation experience. Mr. Derby obtained most of his experience and knowledge through thirty years with the Los Angeles Fire Department Arson / Counter Terrorism Section. Mr. Derby retired from the Arson Section in 2010 and joined the private sector in January of 2010. Mr. Derby has experience in the field of fire origin and cause, fire dynamics, fire technology and has conducted over ten thousand fire scene examinations. Mr. Derby has testified in numerous criminal and civil court cases in the Superior Courts of Los Angeles County, Fresno County, Monterey County, District courts in the states Connecticut, Arizona and Nevada.

    • Origin and cause of commercial and residential structure fires.
    • Origin and cause of vehicle fires.
  • Education

    National Technical Schools
    Associate of Science Degree
    Automotive Technology and Diesel Mechanic

    Los Angeles Valley College
    Fire Science

  • Certifications

    Certified Fire Investigator (IAAI-CFI), International Association of Arson Investigators (IAAI) May 4, 2011 #22-050432
    Expires May 4, 2016
    National Board on Fire Service Professional Qualifications Certified Fire Investigator #294148 – Expires May, 2016
    Certified Fire Investigator, California Conference of Arson Investigators (CCAI) October 15, 2012 #601
    Expires October 15, 2015
    OSHA 8hr Annual Refresher with Asbestos Awareness –
    February 18, 2014

  • Disciplines
    • Fire Investigations
    • Fire Investigations - Incendiarism
    • Fire Investigations - Liability
    • Fire Investigations - Origin and Cause
    • Fire Investigations - Subrogation
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