Patrick D. Stadler


Senior Managing Engineer


Mr. Patrick D. Stadler has been involved with the accident reconstruction industry for over 35 years. His career began in 1986 when he went to work for a small reconstruction firm in Eastern Washington. It was also during that time period when he began attending various institutes that provided specialized training in accident investigation and reconstruction. Mr. Stadler eventually took the firm over and worked as a sole practitioner/accident reconstructionist for 14 years before going to work for Momentum Engineering Corp. (MEC) in 2020 and YOUNG & Associated in 2023, where he is currently the senior managing engineer for their Las Vegas office.

During his career, Mr. Stadler has accumulated over 1100 hrs. of specialized training, investigated/reconstructed over 2000 collisions, and has provided expert witness testimony numerous times throughout the Pacific Northwest.

Mr. Stadler currently holds a Bachelor of Science in Mechanical Engineering from Washington State University, has been accredited by the Accreditation Commission for Traffic Accident Reconstructionist (ACTAR) for 23 years, and is a member of the Society of Automotive Engineers (SAE), Washington Association of Traffic Accident Investigators (WATAI), and the Southwest Association of Accident Investigators (SATAI).


  • BSME | Bachelor of Science in Mechanical Engineering
  • Accreditation Commission for Traffic Accident Reconstruction-#1117

Representative Consulting Assignments

  • MV Accident Reconstruction | All Loss Types | Preserve and analyze collision evidence in order to determine causation factors.

Professional Experience

  • 2023 - Current | Senior Managing Engineer | YA Engineering Services
  • 2020 - 2023 | Senior Forensic Engineer | Momentum Engineering Corp.
  • 2006 - 2020 | Owner & Senior Forensic Engineer | Stadler Accident Reconstruction
  • 1986 - 2006 | Forensic Engineer | Consultant Accident Reconstruction

Area of Practice

  • Accident Reconstruction


  • Washington State University - Bachelor of Science - Mechanical Engineering - Richland - Washington
  • Mr. Stadler had attended 42 separate training courses specific to accident reconstruction, which has accounted for approximately 1100 hours of specialized training in the industry.


  • Society of Automotive Engineers
  • Southwest Association of Traffic Accident Investigators
  • Washington Association of Traffic Accident Investigators


  • 4337620 - Washington - Remote Drone Pilot