Professional Biography
Quentin Commander is a seasoned accident reconstructionist with 26 years of experience in public safety, and 18 years dedicated to accident investigations and forensic reconstruction. He is ACTAR-accredited in accident reconstruction, a credential that reflects his extensive expertise in the field.
Quentin served as a senior corporal with the Montgomery Police Department/Traffic Division, where he oversaw major accident reconstructions, with a particular focus on commercial motor vehicle (CMV) incidents. As the department’s lead expert in crash data retrieval (CDR) analysis and reconstruction, he utilized advanced tools and techniques to provide precise, data-driven insights into traffic collisions.
Quentin has led numerous high-profile investigations, reconstructed complex crashes, including those involving heavy trucks and other commercial vehicles. His deep understanding of accident dynamics, combined with his proficiency in CDR systems and crash simulation technologies, enable him to deliver reliable and detailed analyses used in both criminal and civil cases. He also possesses extensive training in statement analysis and interrogation interviews. His ability to interpret and present technical data make him a trusted expert witness, frequently called to testify in court regarding the cause and reconstruction of traffic accidents.
Professional Experience
- Accident Reconstructionist | YA Engineering Services | 2025 - Current
- Police Officer - Traffic Supervisor | Luverne Police Department | 2023 - 2024
- Senior Corporal | Montgomery Police Department | 2002 - 2023
- Accident Reconstructionist | Messerschmidt Safety Consultants | 2018 - 2019
- Deputy Sheriff (Reserve) | Crenshaw County Sheriff Office | 1998 - 2002
- Project Manager | Faulk Constructors | 1995 - 2002
- Laborer - Welders Assistant | Paulk Mechanical Contractors | 1995 - 1995
- Sergeant | U.S. Army (Reserve) | 1994 - 1995
- Sergeant | Avenger Missile System Repairer / U.S. Army (Active) | 1998 - 1994
- Electrician Assistant | Central Electric | 1989 - 1989
- Shipping Clerk - Forklift Operator | Tap South Industries | 1989 - 1989
- Parts Assembler | Tap South Industries | 1988 - 1988
Training Courses
- Investigation of Motorcycle Crashes Level II, IPTM (November 2023)
- Event Data Recorder Analysis Level I, IPTM (August 2020)
- Commercial Motor Vehicle Investigation Level II, IPTM (October 2019)
- ACTAR Test Preparation - Comprehensive, IPTM (November 2018)
- Commercial Motor Vehicle Investigation Level I , IPTM (August 2018)
- Investigation of Motorcycle Crashes Level I, IPTM (February 2018)
- Pedestrian/Bicycle Crash Investigation Level I, IPTM (September 2017)
- Crash Data Retrieval Operators Course / Crash Data Specialist (March 2015)
- Command & Staff College (Critical Thinking) , AUM (December 2014)
- Crash Data Retrieval (CDR) Data Analyst, Mississippi HP (September 2014)
- Nikon Total Station Operation - Train the Trainer, ARAS 360 (December 2012)
- Advanced Computer Diagramming and Animation - Train the Trainer, ARAS 360 (November 2012)
- Mobile Speed Camera Operator , ATS (December 2011)
- Traffic Crash Reconstruction, IPTM (September 2008)
- Electronic Citation (E-Cite), Tuscaloosa (August 2008)
- Electronic Crash (ECrash), Tuscaloosa (August 2008)
- Advanced Traffic Crash Investigation, IPTM (August 2008)
- Traffic Homicide Investigation, Alabama DPS (May 2008)
- Leica GPS Mapping System, MPD (March 2007)
Affiliations
- Accreditation Commission for Traffic Crash Reconstruction (ACTAR)