Will Partenheimer


Senior Managing Accident Reconstructionist


Mr. Partenheimer joined YA Engineering Services in 2024 through the acquisition of Bloomberg Consulting. He has over 25 years of experience in accident reconstruction, motor carrier compliance, fleet safety, and training for the transportation industry. Mr. Partenheimer holds full accreditation in accident reconstruction from the Accreditation Commission for Traffic Accident Reconstruction (ACTAR). He is a Certified Director of Safety (CDS) by the North America Transportation Management Institute (NATMI). Additionally, he is a certified trainer for courses offered by NATMI. Will specializes in commercial vehicle crashes and has considerable experience downloading and analyzing digital forensic data from tractor-trailer and automobile electronic data recorders, video event data recorders (DriveCam, SmartDrive, etc.), heavy truck telematics systems (Qualcomm, PeopleNet, etc.), Garmin and other personal GPS-based devices, and ABS systems (Bendix, Wabco, etc.). He also has extensive experience inspecting and documenting the condition of braking systems on tractor-trailers and heavy trucks. Furthermore, Mr. Partenheimer is a certified FAA remote drone pilot.


  • ACTAR | Accreditation Commission for Traffic Accident Reconstruction
  • CDS | Certified Director of Safety
  • NSATMI Certified Trainer

Professional Experience

  • 2024 - Current | Senior Managing Accident Reconstructionist | YA Engineering Services
  • 2017 - 2024 | Senior Accident Reconstructionist / Fleet Safety Specialist | Bloomberg Consulting LLC
  • 1999 - 2017 | Accident Reconstructionist / Fleet Safety Specialist | Traffic Safety Consultants/FORCON
  • 1987 - 1999 | Police Officer/Detective | DeKalb County Police Department
  • 1980 - 1987 | Investigator Corporate Security | Rich's Department Stores Inc.

Area of Practice

  • Accident Reconstruction


  • DeKalb County Police Academy - Decatur - Georgia
  • Northwestern University, Center for Public Safety - Evanston - Illinois
  • University of North Florida, Institute for Police Technology and Management - Jacksonville - Florida
  • Texas A&M University, Texas Police Academy (TEEX) - Mesquite - Texas
  • National Transportation Safety Board Academy - Ashburn - Virginia


  • Accreditation Commission for Traffic Accident Reconstruction (ACTAR)
  • National Association of Professional Accident Reconstruction Specialists (NAPARS)
  • North American Transportation Management Institute (NATMI)