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BIOGRAPHY

Mr. Dan Poor is an ASE Master Certified Automotive  and Heavy Truck Expert with over 30 years of experience in mechanical diagnostics, repair, and vehicle evaluations. This includes the ASE L1 and L2 Advanced Diagnostics certifications.  A U.S. Army veteran who proudly served during Operation Desert Storm, Dan brings a disciplined, mission-focused approach to every case he supports. His career spans independent repair shops, dealership service departments, and forensic investigations, as well as teaching college level automotive and truck repair classes—making him a well-rounded and highly credible authority in the automotive field.


Dan has inspected and diagnosed thousands of vehicles, including passenger cars, heavy-duty trucks, RVs, and off-road vehicles. He is frequently retained in legal matters involving service negligence, mechanical failure, shop safety, and post-accident vehicle analysis. His thorough, objective inspections and courtroom-ready reports have supported litigation, arbitration, and insurance claims across a wide range of vehicle-related disputes.


As the founder of CarSleuths, Dan works directly with attorneys, insurers, and claim professionals across the U.S., offering early-stage assessments, preservation of mechanical and digital evidence, and expert witness testimony rooted in decades of real-world experience.

Certifications & Credentials

  • ASE Master Technician Certification (A1–A8, including L1)
  • ASE Master Heavy Duty Truck Certification ( T1-T8, including L2)
     
  • Certified Vehicle Inspector
  • Numerous OEM certifications
  • EPA Certified 
  • 30+ Years Automotive Diagnostic & Repair Experience 
  • Continuing education in EDR (Event Data Recorder) analysis and vehicle systems

Practice Areas

  • Mechanical Failure Analysis
     
  • Automotive Forensics & Diagnostics
     
  • Post-Accident Vehicle Inspections
     
  • Vehicle Appraisals & Valuation Disputes
     
  • Repair Facility Standards & Service Procedures
     
  • Shop Safety & Negligence Investigations
     
  • Expert Witness Testimony & Litigation Support

Copyright © 2025 Dan Poor Expert Witness - All Rights Reserved.

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