Tim Finley, CFI, ACTAR

Senior Consultant

Tim is a vehicle specialist, who is an ACTAR Certified Accident Reconstructionist and an International Association of Arson Investigators (IAAI) Certified Fire Investigator.  He is also certified as a Fire Investigator by the Missouri Department of Public Safety.  He has over 40 years of experience in vehicle mechanical analysis.

Prior to joining Semke Forensic, Tim operated his own vehicle investigation firm, Vehicular Forensic Reconstruction & Mapping Services from 1995 to 2008.  He performed investigation and reconstruction services for another forensic company from 1983 to 1995.  He has testified in both state and federal courts throughout the country.

Tim is a member of the Illinois and Midwest Associations of Technical Accident Investigation, Society of Automotive Engineers, International Association of Arson Investigators, and Professional Fraud and Fire Investigators Association, and actively participates in annual training and testing with these organizations.  He holds an FAA Commercial Pilots Certificate and has been actively involved with the Sports Car Club of America (SCCA) as a competition driver and driving instructor.  He serves as the SCCA Midwest Divisional Administrator of Driving Instruction and is very knowledgeable in the area of vehicle dynamics.

He has experience investigating incidents involving motorcycles, ATV’s, scooters, cars, trucks, marine and aviation products.

Tim joined Semke Forensic as a Senior Consultant continuing to work in the area of vehicle fire investigation, mechanical analysis and accident reconstruction.

Areas of Expertise

  • Vehicle Accident Investigation & Reconstruction
  • Product Liability & Evaluation
  • Computer Forensic & Network Security Services
  • System Damage Cause & Effect Analysis

St. Louis

  • (636) 896-9995
  • (636) 896-9695

Kansas City

  • 100 North Clayview Dr
  • Suite B
  • Liberty, MO 64068
  • Directions
  • (816) 415-2020
  • (816) 415-2066


  • 11545 West 183rd Pl
  • Suite 111
  • Orland Park, IL 60467
  • Directions
  • (708) 478-4000
  • (708) 478-4433