Accident Investigation and Reconstruction Expert Witnesses
Accident Investigation and Reconstruction Expert Witnesses analyze collisions, transportation incidents, workplace accidents, and other events to determine how and why they occurred. Using engineering principles, physics, vehicle dynamics, human factors analysis, and forensic evidence, they provide expert opinions, reports, and testimony regarding causation, contributing factors, liability, and accident reconstruction in litigation and insurance matters.
expert witnesses
Accident Investigation and Reconstruction Expert Witnesses FAQs
What does an Accident Investigation and Reconstruction Expert Witness do?
An Accident Investigation and Reconstruction Expert Witness analyzes physical evidence, vehicle damage, roadway conditions, and event data to reconstruct how an accident occurred. The findings help determine causation, contributing factors, speed, visibility, and responsibility in legal disputes.
What types of accidents do reconstruction expert witnesses evaluate?
Accident Reconstruction Expert Witnesses use engineering analysis, physics modeling, crush‑damage evaluation, skid‑mark interpretation, digital simulations, event data recorder (EDR) downloads, drone mapping, photogrammetry, and scene measurements to recreate the accident sequence.
What methods are used in accident reconstruction?
Experts use engineering analysis, physics modeling, crush‑damage evaluation, skid‑mark interpretation, digital simulations, event data recorder (EDR) downloads, drone mapping, photogrammetry, and scene measurements to recreate the accident sequence.
When should attorneys hire an Accident Investigation and Reconstruction Expert Witness?
Attorneys typically retain Accident Investigation and Reconstruction Expert Witnesses when liability is disputed, evidence is complex, multiple parties are involved, mechanical failure is suspected, or when scientific analysis is needed to support or challenge claims.
What qualifications do Accident Investigation and Reconstruction Expert Witnesses have?
Most Accident Investigation and Reconstruction Expert Witnesses are trained in engineering, physics, biomechanics, human factors, or law enforcement accident investigation. Many hold ACTAR certification, advanced reconstruction training, and extensive experience analyzing real‑world collisions.
Can Accident Investigation and Reconstruction Experts testify in court?
Yes. They frequently provide expert testimony, present technical findings, explain scientific principles to juries, and support litigation involving personal injury, wrongful death, product liability, transportation safety, and insurance disputes.
Ergonomics Industrial Engineering Expert Witness Page Engineering
George B. Page, CPE
Founder
1402 E. Kimmel Rd.
Jackson MI
49201
USA
phone: 517-782-3154
Pool Operations Expert Witness Trevor Sherwood
Trevor A. Sherwood, II
Owner
231 Chambersbridge Road, Unit C
Brick NJ
08723
USA
phone: 732-451-1040
fax: 732-451-1630
Audio Video Forensic Analysis Expert Witness Nick Barreiro
Nick Barreiro, BAC, AVFA, DIVRT, AFCE
Chief Forensic Analyst
6688 Nolensville Rd
Suite 108-129
Brentwood TN
37027
USA
phone: 615-854-8055
Forensic Structural Engineering Expert Witness Casey Hemmatyar
Casey K. Hemmatyar, PE, SE
Chief Expert
515 South Flower St.,
Suite 1800
Los Angeles CA
90071
USA
phone: 213-261-6600
Ergonomics Safety Expert Witness Jerry Purswell
Jerry Purswell
Human Factors, Ergonomics, & Safety Consulting
2050 SPRINGCREST RD
COLORADO SPGS CO
80920
USA
phone: 7193300126
fax: 719-265-6905
Forensic Safety Engineering Expert Witness Kevin Smith
R. Kevin Smith, P.E., D.F.E.
President, R. K. Smith Engineering
1539 Chalone Ct.
Crown Point IN
46307
USA
phone: 219-226-9510 (Office)708-790-1938 (Cell)
Forensic Engineer Expert Dr Rasty
Prof. J. Rasty, Ph.D., PE, MBA, CFEI, CFII
Founding President & CEO
2309 19th Street
Lubbock TX
79401
USA
phone: (806) 368-9811
fax: (806) 368-9812
OSHA Safety Construction Expert Witness Greg Gerganoff
Greg Gerganoff, CSP, Esq.
Certified Safety Professional
Denver, CO
All States USA
phone: 303-330-4616
Engineering Expert Michael Wright
Michael C. Wright, PE, CSP, CPE
President
9363 Detrick Jordan Pike
New Carlisle OH
45344-9140
USA
phone: 937-964-1900
fax: 937-964-8457
Construction Safety Expert Witness Michael Lawler
Michael P. Lawler, MS, CSP, CHST
PO Box 733
Orland Park IL
60462-1482
USA
phone: 312-254-6553
School Bus Training Expert Witness Denny Coughlin
Denny Coughlin
707 Blaine St.
Dysart IA
52224
USA
phone: 651-423-2048
OSHA Expert Witness Bryan Netherland
Bryan Netherland, MS, MBA, CSP, CSHO, ARM
17901 Cain Clearing Pass
Austin TX
78738
USA
phone: 318-680-3773
Transportation Engineering Expert Witness Shakir Shatnawi
Dr. Shakir Shatnawi, Ph.D., P.E.
Highway Engineering/Traffic Engineering Expert
El Dorado Hills CA
95762
USA
phone: 916-790-1158 or 916-990-6488 (Cell)
Health Fitness Expert Douglas Baumgarten
Douglas Baumgarten
Mr
4410 River Ridge Dr.
Leesburg FL
34748
USA
phone: 301-448-5499
fax: 888-750-2869
Featured resources
by Allan D. Windt
by Vernon M. Neppe MD, PhD, FRSSAf, DFAPA
by Amirhassan Boozari
George B. Page, CPE, is a Certified Professional Ergonomist. Since founding Page Engineering, Mr. Page has been providing ergonomics services, integrating multiple disciplines (industrial engineering, safety, health, business, regulatory) to provide effective results, whether in the application of job analyses and job improvement processes or in physical job demands analyses. His experience includes conducting ergonomics analyses and research in the railroad industry, primarily, and in heavy industry, in general, for over 30 years. Clients include Union Pacific Railroad, Kansas City Southern Railways, Association of American Railroads, FedEx, American Petroleum Institute, Food Marketing Institute, Food Distributors International, Blue Water Bridge Authority, USPS. His expertise includes job exposure assessments, physical demands assessments, accident reconstruction, and forensic engineering.
Greg G. Weames, CPE, CCPE, CRSP, is a Certified Professional Ergonomist who provides forensic services regarding Musculoskeletal Injury / Disorder Risk and expert testimony. Since joining Page Engineering, Inc., Mr. Weames has been asked to provide consulting services in ergonomics for over 500 cases involving civil lawsuit work-related injury/disorder claims. With training, education, and experience in musculoskeletal injury and musculoskeletal disorder as a focus, he applies generally accepted methodology in his analysis of causation to a reasonable degree of scientific certainty. Mr. Weames has his expert witness experience from within the railroad industry, which includes transportation, construction maintenance, mechanical shop, communications, and office environments that support a large variety of jobs and work tasks. Over the past 20 years of providing expert witness services, Mr. Weames has relied on independent, objective measurements of claimed exposures to occupational physical factors and the epidemiologic scientific literature, relevant ergonomics guidelines, and standards to support his opinions. Mr. Weames has given depositions and has appeared at jury trials in both State and Federal US courts during his years doing expert witness work.
Stephen D. Fleming, CPE, CXLT, is an Industrial Engineer / Ergonomist whose background includes analyzing work environments and work tasks using industrial engineering work measurement methods and risk assessment models for different body regions. His expertise is in assisting industrial clients in applying ergonomics to workplace processes, tools, and equipment, including all major North American railroads, FedEx, Ford Motor Company, Lear Seating, USPS, and the Blue Water Bridge Authority. Mr. Fleming has been acknowledged for developing and implementing a methodology for measuring and analyzing exposure to whole-body vibration (WBV) and hand-arm vibration (HAV).
Nick Barreiro, BAC, AVFA, DIVRT, AFCE, Chief Forensic Analyst, is a Certified Audio Video Forensic Analyst and an FBI-trained member of the Digital Imaging and Video Recovery Team. During his 15-year law enforcement career, he was a patrol sergeant, technology project manager, media forensics expert, detective, digital evidence specialist, and patrol officer. Prior to his career in law enforcement, Mr. Barreiro was an audio engineer and producer in California. He also worked for KBMB radio in Sacramento and has extensive experience and training in audio enhancement and analysis.
Greg Gerganoff, CSP, Esq., possesses extensive experience in safety compliance and practice involving OSHA and MSHA. He obtained is law degree from Western Michigan University, Cooley Law School and practiced general civil law for approximately 12 years in Colorado prior to entering the safety profession. Mr. Gerganoff earned a Certified Safety Professional certification and has 18 years of field safety experience in mining, oil and gas, construction, manufacturing, power plant outages, and light rail construction.
Michael P. Lawler, MS, CSP, ASP, CHST, is a Construction Safety Expert with over 30 years of experience. He offers a unique combination of formal education and "project based" technical experience working on some of the largest construction projects in the United States.
Bryan Netherland is a Safety & Premises Liability Expert Witness and consultant with more than 15 years of experience building and leading OSHA Compliance and Risk Management programs across manufacturing, logistics, and industrial operations, including Fortune 10 companies. Through Seek Safety Consulting, he provides litigation support and expert analysis to attorneys handling workplace injury, premises liability, and industrial accident cases nationwide.

