Kinematics Expert Witnesses

William H. Pultar, BSME, ACTAR, is a Mechanical Engineer with over 20 years of experience in the field of Event Data Recording, Accident Reconstruction, and Human Factors.

Background Experience - Employed by the Massachusetts State Police for several decades, Mr. Pultar's duties have included the investigation of line of duty injuries, citizen complaints, cruiser crashes, and the use of force incidents. As Section Supervisor for the Northeast Team of the C.A.R.S. unit, he was responsible for the training of the Northeast Team members in newer aspects of total station technology and was consulted numerous times on the kinematics of motor vehicle crashes by the Essex, Middlesex, and Hampshire District Attorney’s Offices.

Promoted to Lieutenant in 2010, Mr. Pultar was responsible and accountable for the supervision of A Troop personnel and the oversight of a geographical area that covers the northeast corner of Massachusetts and, as SCO, was put in charge of large high risk NIMS and crime related incidents such as the 2012 Beverly homicide and the Boston Bombing incidents.

Litigation Support - While employed by the Massachusetts State Police, Mr. Pultar testified numerous times in Federal District, Massachusetts Superior, and District Courts as an expert in the kinematics, kinetics of motor vehicle crashes, and human factors involving crashes, and as an expert in the electronic imaging of Crash Data Recorders. His services are available to counsel representing both Plaintiff and Defendant.

Areas of Expertise - William Pultar's expertise is in the Extraction of Electronic Data from Commercial Vehicle Engine Control Modules (CVEDM), motor vehicle crash data (CDR), restrain control module (RCM) and engine control modules (ECM) for all “supported vehicles. He currently has the only privately owned Hyundai and Kia download kits in New England. All of these modules are commonly referred to as vehicle “black boxes,” although they are NOT black boxes.

Mr. Pultar also specialized equipment to measure Luminance (NOT illumination), electronic survey crash scene, and measure acoustical data (sound energy), such as backup alarms, sirens, etc.

View William Pultar's Consulting Profile.

Quality Forensic Engineering, LLC is a full-service forensic engineering and accident reconstruction firm, specializing in  reconstruction of accidents involving passenger vehicles, tractor-trailers, pedestrians, bicycles, and motorcycles.  Each senior engineer at Quality Forensic Engineering, LLC has over 20 years of experience in the industry.  Our engineers provide expert analysis for roadside safety concerns, construction zones, industrial  equipment, occupant kinematics, premises liability, code violations, product design, and vehicle controllability. Industrial accidents, workplace safety, and slip / trip / and fall accidents are also our specialties.

We utilize the latest technology for documenting evidence and retrieving data including FARO 3D scanning, aerial drone imaging, and black box downloads.  Our forensic experts are mobile, supporting clients all over the U.S., and our headquarters is located in Tallahassee, Florida with a satellite office in Jacksonville, Florida.

Dr. Brian Pfeifer, P.E.,

With over 20 years of experience investigating and testifying in cases involving a variety of forensic engineering issues, Dr. Pfeifer is a leading expert in accident reconstruction, roadside safety, maintenance of traffic, and analysis of mechanical systems, and product failures. Dr. Pfeifer has a strong background in the design, development, and implementation of roadside safety hardware including guardrails, bridge rails, and crash cushions. Over 33 patents have been filed worldwide on behalf of Dr. Pfeifer and associated colleagues who invented safer guardrail systems and terminals, vehicle storage systems, shipping container handling systems, and material handling and storage methods.  Dr. Pfeifer has published numerous papers to various organizations including the Transportation Research Board and Port Technology International, covering topics ranging from new guardrail systems, energy absorbing guardrail terminals, and breakaway mechanisms incorporated in traffic signs to material handling technology.  Dr. Pfeifer’s expertise has been shared with many organizations such as the Florida Justice Association, Palm Beach County Justice Association, American Bar Association, Defense Research Institute, and Alabama Defense Lawyers Association with presentations he’s made on topics including vehicle collisions, bicycle accidents, roadway constructions zones, and accident reconstruction expert witness utilization. Dr. Pfeifer is a registered Professional Engineer in three states and stays current with learning new technology in the field of forensic engineering.  He has refined his skills and knowledge of accident reconstruction and roadside safety by taking dozens of continuing education courses over the span of his career.

Expertise:

Vehicle Collisions Tractor / Trailer Collisions Bicycle Accidents Pedestrian Accidents Motorcycle Accidents Occupant Kinematics Roadside Safety/Guardrails

Construction Zones Black Box Analysis Product Failure Analysis Premises Liability Maintenance of Traffic (MOT) evaluation  Restraint System Analysis

Ms. Traci Campbell, P.E., CXLT,

Ms. Campbell, is an Industrial engineer with specialties in industrial accident reconstruction, including slip, trip, and fall analysis, human and environment interaction, forklifts, applicable standards and guidelines, and workplace-safety issues.  Her expertise also includes vehicular accident reconstruction involving automobiles, trucks, tractor-trailers, and recreational vehicles, as well as, product failure analysis.

Expertise:

Industrial Accidents Slip / Trip / Fall Retail Facility Safety Human and Environment Interaction OSHA Regulations >ADA Regulations ANSI / ASTM / Building Codes Workplace Safety Guarding & Warnings Forklifts and Construction Equipment Theme Parks / Recreation Safety and Facilities

Automobile Collisions Tractor / Trailer Collisions Bicycle Accidents Motorcycle Accidents Pedestrian Accidents Occupant Kinematics Airbag and Black Box Analysis Product Design / Failure Analysis General Engineering

Mr. Chris Yates, P.E.,

Mr. Chris Yates, P.E., is a Mechanical Engineer with specialties in accident reconstruction, including electronic module downloads for both automobile airbag modules and tractor-trailer electronic control modules.  His expertise includes auto accidents, tractor-trailer accidents, bicycle accidents, pedestrian accidents, and other roadway accidents.  His expertise also includes seat belts, occupant kinematics, product failure analysis and other general engineering issues.

Expertise:

Automobile Accidents Tractor / Trailer Accidents Bicycle Accidents Pedestrian Accidents Airbag and Automobile Black Box Analysis

ECM and Tractor-trailer Black Box Analysis Occupant Kinematics Roadway Safety Product Design / Failure Analysis >General Engineering

Dr. Daniel W. Vomhof, PhD is a Accident Reconstruction Specialist with specialized knowledge in Human Factors and BioMechanics. He provides Scientific Evidence Evaluation and Event Reconstruction in matters involving personal injury, property damage, or product failure or malfunction.

Dr. Vomhof has been a full time forensic reconstruction consultant since 1973. He has a PhD in Biochemistry / Physiology and MS in Analytical Chemistry and Occupational Safety & Health.

Areas of Specialization:

• Event Reconstruction
• Vehicle Accident Reconstruction
• Biomechanics and Biodynamics
• Human Factors
• Questioned Documents

Litigation Support - Dr. Vomhof has reconstructed over 3,000 accidents and appeared in over 500 trials as a testifying expert witness. Dr. Vomhof is available to attorneys representing both Plaintiff and Defense.

Services Include:

• Evaluation of traffic signal timing related to vehicle, pedestrian, and motorcycle accidents
• Reconstruction of vehicle, pedestrian, and motorcycle accidents
• Evaluation of Pedestrian, Facility, Walking Surface interactions
• Measurement and evaluation of lighting as it affects perception of hazards
• Measurement and evaluation of sound levels
• Documentation of vehicle evidence and scene conditions through photography and measurements

Christopher Gayner is the CEO of Expert Reconstruction Company and has more than 30 years of professional experience with over 1300 Traffic Accident cases involving Automobiles, Trucks, Buses, Trains, Motorcycles, Bicycles and Pedestrians. Mr. Gayner has testified over 300 times in trials, depositions, mediations and arbitrations. He is ACTAR certified and a Member of the Society of Accident Reconstructionists and the Society of Automotive Engineers. 

Areas of Specialization:

• Accident Reconstruction (Manual and Computer-Aided)
• Human Factors
• Occupant Dynamics
• Bio-Mechanics
• Restraint Systems (Seat Belts & Air Bags)
• Product Defects
• Crashworthiness
• Vehicle & Scene Inspections
• Accident Scene and Vehicle Crush Damage Assessment
• Crash Data Retrieval
• Photographic Documentation and Interpretation
• Expert Witness Testimony
• Neutral Expert Mediation Services

B.E.C. Consulting, LLC was established in 1982. Since that time, we have provided top-level consulting engineering services and accident reconstruction to our clients; law firms, insurance companies, state and local agencies, manufacturing companies, and clients who are seeking product design analysis and other engineering related services. Our engineers represent a broad range of engineering disciplines which enables us to work on a variety of cases using the team approach. The teams at B.E.C are comprised of Engineers, Technical Specialists, Graphics Specialists, as well as Research and Administrative Personnel, so that each case is given personal attention and is handled efficiently and effectively. Our offices are located in Tallahassee, Jacksonville and Venice working in almost every state in the United States, including Alaska. 

Areas of Expertise:

• All Areas of Accident Reconstruction - Including Automobile, Tractor-Trailer, Motorcycle/Bicycle & Pedestrian
• Engineering Consulting
• FARO 3-D Scanning
• Black Box Downloads
• Construction Zone / Roadside Safety
• Industrial Equipment
• Failure Analysis
• Product Design
• Product Development
• Material Handling System
• Biomechanical Analysis
• Slip / Trip / Fall
• Computer Animation, Electronic Graphics

Every aspect of our firm is designed to serve our clients needs; conference rooms for mediations and depositions, a research and testing lab, secured evidence storage, facilities for expert inspections, and easy access to airport and hotel facilities for our out-of-town clients. We are truly a full service engineering firm. Because of this team approach and a commitment to customer service, B.E.C. has attained regional and national recognition as a leader in forensic engineering services and new product development. This excellent example and tireless dedication to serving our client’s needs has resulted in a devoted client base and reputation second to none. 

Dr. Charles Benedict, P.E., founded Benedict Engineering Company in 1982 and our name has since changed to B.E.C. Consulting, LLC. He has over 35 years experience in the fields of product and machine design and analysis, vehicular accident reconstruction of all types, and product and system failure analysis. He has designed, developed, manufactured, and tested more than sixty different products and machine systems. Dr. Benedict is well respected in the fields of forensic engineering, product and machine system design and analysis and patenting.

Expertise:

Biomechanics Occupant Kinematics Vehicle Restraint Systems Vehicle Controllability Material Handling Patent Infringement

Automobile Accidents Pedestrian Accidents General Engineering Product Design Fire and Explosion Analysis Tractor / Trailer Accidents Electrical Issues

Ralph Aronberg, P.E., has reconstructed over 1,500 accidents and has testified in over 150 jury trials, since founding the firm in 1983. He provides Expert Witness services in the areas of:

• Traffic accident reconstruction (cars, trucks, motorcycles and pedestrians).
• Vehicle occupant kinematics (seatbelts)
• Biomechanics
• Traffic engineering design (geometrics, signing, markings, signals and lighting)
• Sight distance analysis
• Hazardous roadway conditions
• Work Zone Traffic Control evaluation
• Evaluation of roadway curvature
• Traffic signal operations
• Pedestrian safety
• Computerized accident reconstruction and simulation
• Vehicle "black box" data retrieval (certified>

Mr. Aronberg is published in the fields of pedestrian / bicycle / motorcycle accident reconstructions, and 3 Dimensional Animations and Scientific Visualizations through the Society of Automotive Engineers. Mr. Aronberg is a Fellow member of the National Academy of Forensic Engineers, and certified as a Diplomat in forensic Engineering.

4CA Consulting & Reconstruction is a General Accident Reconstruction Company, providing Expert Services in the field of Accident Reconstruction, including:

• A complete an unbiased accident investigation, using the latest investigative means such as Crash Data Retrieval & Analysis.
• Crash Scene Analysis and Documentation: Vehicles, light trucks, motorcycles.
• Seat Belts and Child Safety-Seats usage analysis
• Occupant injury kinematics, speed determination, time - distance, drag factor with use of Vericom Vehicle Computer System.
• Traffic Studies.
• Crash Animation / Simulation, Map scenes, Crash Zone, CAD.

About Kevin Forcier: ACTAR Certified Reconstructionist: #2054. Retired from the Pennsylvania State Police in April of 2010 after 25 years of service. Accident Reconstructionist since 1990, last four years as a full time Crash Analysis and Reconstruction Specialist responsible for the coverage of 3300 square miles of Northwestern Pennsylvania. Qualified Expert Witness in the field of Crash Reconstruction and related services.