Tom Schaefer, P.E.

Mechanical Engineer

Cell: 314-495-7021

Office: 636-332-6464

Fax: 636-332-6445

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Representative Service Areas

  • Accident Investigation and Reconstruction
  • Vehicular Component and System Evaluation

Professional Registrations & Certifications

  • Licensed Professional Engineer
  • Class “A” Commercial Vehicle Driver License (CDL)


Bachelor of Science – 1983
Mechanical Engineering
University of Missouri – Rolla
Rolla, Missouri

Tom graduated with a Mechanical Engineering Degree from the University of Missouri – Rolla in 1983 and is a registered professional engineer in numerous states. Upon obtaining his engineering degree, Tom designed and tested factory automation equipment for 7 years for a St. Louis manufacturing company.

Since 1990, Tom has offered engineering consulting services in vehicular accident investigation and reconstruction with specialization in commercial vehicles. Tom has extensive continuing education in the accident reconstruction field, including completing truck driver school and holds a current Class A CDL. Tom has also performed consulting services regarding automotive and commercial vehicle component failures including brakes, steering, drive train and suspension systems. This expertise is complemented with his many years of personal experience in automotive repair and restoration.

Other mechanical engineering fields in which Tom has expertise include construction and manufacturing equipment, fire sprinkler systems, and plumbing systems and components. Tom’s background in plumbing systems originated from his hands-on training in his family’s water treatment/plumbing business.

Tom is a member of the Society of Automotive Engineers (SAE) and the American Society of Mechanical Engineers (ASME).

Tom has extensive deposition and trial experience and has testified in federal and state courts.

Representative Areas of Expertise

  • Vehicle Dynamics and Kinematics
  • Crash Mechanics / Speed Analysis
  • Heavy Truck & Commercial Vehicle Evaluations
  • Passenger Vehicle, Motorcycle, and Pedestrian
  • Failure Analysis (Brakes, Steering, etc.)

Professional Affiliations

  • Society of Automotive Engineers (SAE)
  • American Society of Mechanical Engineers (ASME)


  • Muttart, et al., (2017). Influence of Taillight Width on the Ability to Recognize Closing Speed, Closing Distance, and Closing versus Separating. Human Factors and Ergonomics Society, HFES2017-000703.