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Mark Nash

Operations Update: How J.S. Held is continuing to support clients during COVID-19.

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Mark Nash

Senior Investigator


202-822-4620 (Work)
117 S. 14th Street, Suite 100
Richmond, VA 23219

Professional Registration:

CFI 11-060220 [Certified Fire Investigator, International Association of Arson Investigators]

Certified Fire Investigator 1033, Virginia Department of Fire Programs

ATF Accelerant Detection K-9 Handler

Maine State Police Accelerant Detection K-9 Handler

Private Investigator, Kentucky

Private Investigator, Tennessee

Private Investigator, Virginia

Private Investigator, North Carolina

Licensed Contractor, Tennessee #00057844

Licensed Contractor, Virginia #2705-111474

Summary of Experience:

Mr. Nash has over 2,500 hours of training and over 25 years of proven court – tested experience as a fire origin and cause investigator. He has personally investigated over 1000 fire incidents in the States of Virginia, Tennessee, West Virginia, North Carolina, and Kentucky. These investigations have involved significant property loss/liability/subrogation issues, multi-million-dollar losses and those with fatalities and serious bodily injury. Mr. Nash has responded to large loss fires as an Accelerant Detector Canine Handler as part of the Bureau of Alcohol Tobacco Firearms and Explosives, National Response Team since January of 2008. He has participated in over 200 training/demonstration live burns.