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Senior Fire Investigator


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





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  • Professional summary

    Mr. Matthew Williams has 23 years of fire and explosion investigation experience, 12 of which was as the fire investigation team lead with the Los Alamos County Fire Department. He has conducted over 350 fire investigations for, and in conjunction with multiple agencies including local, county, state and federal jurisdictions. Such investigations included structural, vehicle, wildland, and fatality fires.  Mr. Williams was responsible for identifying Origin & Cause determinations declared to be incendiary, accidental, product failure, vehicle, wildland, and fatality fires.

    In 2000, Mr. Williams earned the Department of Energy’s Medal of Valor for his wildland suppression efforts in the Cerro Grande fire; and in 2011 the Medal of Honor for his suppression efforts in the Los Conchas Fire. In 2013, he was honored for his “Generous and Dedicated Support” to the New Mexico Chapter of the International Association of Arson Investigators.

    He has demonstrated his commitment to organizational excellence and was a core contributor to the Los Alamos County Fire Department’s accreditation process; participating in the development of the 5-year Community Driven Strategic Plan, Community Risk Assessment-Standard of Cover and Self-Assessment Core Competencies and performance indicators.

    • Certified Fire Investigator
    • Certified Wildland Fire Investigator
    • Certified Vehicle Fire Investigator
    • Certified Fire and Explosion Investigator
    • CSTI Hazardous Materials Operations Instructor
    • CSTI Weapons of Mass Destruction Instructor


  • Education

    AAS - Fire Science, University of New Mexico, Albuquerque, NM, 2013
    High School Diploma, General Studies, Pojoaque High School, Pojoaque, NM, 1994

  • Certifications

    Motor Vehicle Fire, [IAAI-CFI (V)], International Association of Arson Investigators Specialized Credential Endorsement Program

    Texas Private Investigator, Texas Department of Public Safety, #00849938,

    Arizona Private Investigator, Arizona Department of Public Safety, #1733845  

    New Mexico Private Investigator Manager, New Mexico Investigations Board, #PIM3661

    New Mexico Private Investigator, New Mexico Private Investigations Board, #PI3660

    Certified Wildland Fire Investigator, National Wildfire Coordinating Group

    Associates of Applied Science, Fire Science, University of New Mexico

    Department of Energy Security “Q” Clearance – Los Alamos National Laboratory,

    Certified Fire Investigator (IAAI-CFI), International Association of Arson Investigators

    Certified Fire and Explosion Investigator (NAFI-CFEI), National Association of Fire Investigators

    Certified Vehicle Fire Investigator (NAFI-CVFI), National Association of Fire Investigators, Present

    Fire Investigator NFPA 1033, Fire Department Safety Officers Association

    Certified Vehicle Fire Investigator, National Certification Board

    Certified Fire and Explosion Investigator, National Certification Board

    Hazardous Materials Operations Instructor, California Specialized Training Inst.

    Weapons of Mass Destruction Instructor, California Specialized Training Inst.


  • Disciplines
    • Fire Investigations
    • Fire Investigations - Failure Analysis
    • Fire Investigations - Incendiarism
    • Fire Investigations - Liability
    • Fire Investigations - Origin and Cause
    • Fire Investigations - Wildfire
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