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Buses - Motorcoaches Accident Reconstruction Expert Witnesses: 12
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)
- 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.
Jose J. Granda, PhD, PE, is a Professor of Mechanical Engineering at the California State University in Sacramento, CA. Prof. Granda is a Professional Registered Mechanical Engineer with almost 40 years of experience in the industry. A NASA Fellow, he served as a NASA public spokesman for 17 space shuttle missions.
Degrees and License:
- PhD in Mechanical Engineering, University of California, Davis
- ME in Mechanical Engineering, University of California, Berkeley
- MS in Mechanical Engineering, National Polytechnic University, Ecuador
- PE (Professional Engineer) License in Mechanical Engineering
Specialized Training: Vehicle Dynamics and Design, Vehicle Safety and Crash Reconstruction, Accident Bio-mechanics, Finite Element Modeling in Computer Aided Design, Advanced Mechanical Design and Failure Analysis, CSUS; Motorcycle Accident reconstruction; EDR Certification, Tech 1, Tech II, EDR Analysis Certification, Collision Safety Institute; Applying Automotive EDR Data to Traffic Crash Reconstruction, SAE Society of Automotive Engineers International; Advanced Accident Reconstruction Utilizing Human Factors course; Photogrammetry for Collision Reconstruction, Lightpoint Data; Bicycle and Pedestrian Accident Reconstructions; Heavy Commercial Vehicles Accident Reconstruction
Litigation Support - Prof. Granda is an expert in Forensic Engineering and Accident Reconstruction using computer simulations. His cases include accidents involving vehicles and people. He offers services to attorneys for plaintiff and defendant which include thorough written reports, depositions, and trial experience.
Areas of Expertise:
Andrew W. Thomas is the founder of Collision Analytics, an ACTAR certified Motor Vehicle Crash Reconstructionist, and a licensed Illinois Private Investigator. He regularly instructs crash investigation and reconstruction courses throughout the United States and Canada for the Northwestern University Center for Public Safety.
Background Experience - Mr. Thomas has over 14 years of experience as an Illinois law enforcement officer and has attended nearly 1,000 hours of crash investigation and reconstruction training, ranging from pedestrian collisions to accessing and interpreting heavy vehicle event data recorders. Throughout his tenure, he has investigated over 200 major collisions involving all types of vehicles.Litigation Support - Mr. Thomas has worked in the public and private sector investigating numerous personal injury and fatal crashes and has been recognized by courts as an expert witness in crash reconstruction.
He currently leads a team of 7 investigators and 6 reconstructionists responsible for investigating all major crash investigations within unincorporated McHenry County, outside Chicago-land.
Since 2017, Collision Analytics has served clients as a full-service crash investigation and reconstruction company providing expert consultation, analysis, and testimony. Mr. Thomas' services are available to attorneys representing both plaintiff and defendant.
Serving Illinois, Indiana, Wisconsin, Iowa, Missouri, and Michigan, Collision Analytics has the equipment to retrieve electronic data and the experience to assess its impact on a case. Their services also include survey and drone scene mapping, forensic vehicle examinations, courtroom exhibit preparation, and crash reconstructions including electronic, GPS, and cellular phone data.
Areas of Expertise:
Donald L. Hess, President of DLH Associates, Inc., has been providing expert witness services to attorneys and other clients, including Analysis of Vehicle Crashes since 1997. His specialty is crashes involving Commercial Motor Vehicles, including trucks, tractor-trailers, and buses.
With well over two million miles of safe cross-country trucking experience, followed by over 20 years as a driver trainer and creator / administrator of commercial driving programs, Mr. Hess is well-qualified to provide analysis of what drivers are trained to do in specific situations and circumstances, what federal and state regulations call for and require, and all aspects of the safe and proper operation of commercial motor vehicles. As a motorcyclist with over 45 years of riding and training experience, he is also qualified to comment on accidents involving motorcycles.
Mr. Hess has been nationally-recognized as a leader in safety and training issues, is a winner of the American Trucking Associations Million Mile Driving award, and was a winner of the Truckload Carriers Association Lee Crittenden award. Over his long and successful career in trucking and education, he has held numerous national board and officer positions in trucking and education.
Litigation Support - Mr. Hess is uniquely qualified to analyze and comment on driver behavior in virtually any situation, and has established a solid reputation as an expert witness in crashes involving trucks and commercial vehicles for both Plaintiff and Defense in about 300 hundred cases across the country since 1997. His experience includes significant deposition and trial testimony.
He possesses a unique combination of training, hands-on experience, and education that combine to position him as a leading expert in all facets of trucking. Mr. Hess still maintains a valid, current Commercial Driver License fully endorsed for Combination Vehicles, Doubles-Triples, Tankers, Hazardous Materials, Motorcycles, and Buses. He also holds a USDOT Medical Exam Certificate and CDL and medical maintained without interruption or fault since 1971.
Areas of Expertise:
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
- Restraint Systems (Seat Belts & Air Bags)
- Product Defects
- Vehicle & Scene Inspections
- Accident Scene and Vehicle Crush Damage Assessment
- Crash Data Retrieval
- Photographic Documentation and Interpretation
- Expert Witness Testimony
Roy Theophilus Bent, Jr. is a well known and respected expert and consultant in the automotive industry. An IACP Certified Auto Appraiser, Expert Witness, and Field Inspector, Mr. Bent is the seated President of the Bureau of Certified Auto Appraisers, a National Professional Appraisal Credentialing Organization that has trained, tested, and certified over 2,400 students under his leadership in the practices of IACP Certified Auto Appraisals and Litigation assistance. Mr. Bent holds numerous licenses and credentials as an ASE Certified Mechanic, I-Car Collision Specialist, Licensed Auto Appraiser, Insurance Adjuster, Umpire, Mediator, Arbitrator, Classic Car Judge, and Vintage Car Historian.
KPRC 2 Houston News Interview with Roy Bent on Diminished Value
Litigation Support - Mr. Bent is retained by counsel to provide IACP Certified Third Party Appraisals for most auto related lawsuits. He serves law firms whose clients are involved with dissolution, probate, bankruptcy, and diminution of value, and automobile accidents. Mr. Bent is a contributing author in several peer reviewed journals in auto accident expert witness related theories, case studies, and reports which are used exclusively by other expert witnesses in the field. His services include deposition, arbitration, mediation, and trial testimony when necessary.
Appraisals for Law Enforcement Agencies - Roy Theophilus Bent, Jr., IACP Certified Auto Appraiser & Expert Witness, is regulary retained by the United States Department of Justice (DOJ), Federal Bureau of Investigations (FBI), U.S. Marshals Service, U.S. Drug Enforcement Agency (DEA), Internal Revenue Service (IRS), U.S. Attorney General (AG), U.S. Customs and Border Protection, U.S. Office of Inspector General, and varios Police Departments resumting in criminal convictions and/or exonerations of Defendants for: White-Collar Crimes, Vehicular Homicide Crimes, & Felony Drug Crimes resulting in Federal Criminal Forfeitures, Civil Judicial Forfeitures, Administrative Forfeitures & Seizures.
Areas of Expertise:
Auto • Airbag • Bicycle • Boating • Bus • Chair Design / Safety / Failure • Diving and Drowning • Electrocution and Shock • Elevator • Escalator • Fires and Explosions • Forklift • Gate • Golf Cart • Highway Design and Safety • Ladder • Law Enforcement • Lighting & Illumination • Loading Dock • Metallurgy • Motorcycle • Paintgun • Playground Safety • Press • Ramps • Rollercoaster • Safety Guards • Scaffolding • Seatbelts • Slip / Trip and Fall • Spas • Stairs • Swimming Pool Design and Safety • Tractors • Trailers • Trucks • 3D Scans
JP Transportation Safety Consulting, LLC (JPTSC) has more than one hundred years of combined experience serving the Shipping and Transportation industry relative to Workplace Safety and Regulatory Compliance. JPTSC helps companies of all types and sizes that operate commercial motor vehicles, as well as shippers and carriers of hazardous materials, with respect to compliance with Title 49 Code of Federal Regulations.
Litigation Support - JPTSC provides expert services to attorneys representing Plaintiff and Defense. They consult on cases involving:
|Jon (Paul) Dillard, President and Co-Founder, has fulfilled all of the educational requirements, acquired the professional experience and knowledge of the field, and attained the level of expertise and professionalism in Motor Fleet Supervision as a Certified Director of Safety from the North American Transportation Management Training Institute. He has been employed in the motor carrier industry for over 30 years and has successfully managed the safety, compliance, and claims for two major motor carriers as a Vice President and/or Director of Safety resulting in satisfactory compliance audits and significant reductions in accident frequency. Mr. Dillard is experienced and trained in: Commercial Motor Vehicle Safety and Compliance - Quality Management - Defensive Driving - Accident Investigation - Commercial Motor Vehicle Operations - Inspection / Maintenance - OSHA - Cargo Loading and Securement - Hazardous Materials Transportation.|
|Jon O. Cook, COO, Co-Founder, is a former Commercial Motor Vehicle Driver and Owner Operator with over 1,000,000 over-the-road miles to his credit. He is a certified commercial driver examiner, having trained and road-tested hundreds of commercial drivers. Mr. Cook has been employed in various capacities in the trucking industry over the last 36 years. He served as Director of Safety for a large food-store chain in Birmingham, Alabama covering seven states. Mr. Cook also remains active in the Alabama Trucking Association. He has served on the Board of Directors and was previously Chairman of the Board and as President and Chairman of the Board for the North Alabama Chapter of the National Safety Council. Mr. Cook is experienced and trained in: DOT Compliance / Safety - Driver Recruiting - Qualification - Training and Maintenance Programs - Road Testing - Accident Avoidance - Defensive Driving - Fuel Economy - Cargo Securement - Proper Equipment Usage.|
| Kenneth M. Price, a recent addition to JPTSC, has spent the last 5 years As a Motor Carrier Safety Specialist with the Federal Motor Carrier Safety Administration. His duties included planning, scheduling, and conducting compliance reviews on motor carriers throughout the State of Alabama to assure compliance with regulations, policies, and /or guidelines, including those concerned with the transportation and handling of hazardous materials. Mr. Price also assisted the Federal Motor Carrier Safety Administration’s Trial Attorney documenting evidence for a case that was going before an Administrative Law Judge. He has also worked with the Trial Attorney documenting evidence for the Field Administrators Reply to Preliminary Order on Petition for Review of Safety Ratings. Mr. Price is experienced and trained in: Compliance Reviews - Hazardous Materials - Safety Instructor - Motor Coach Bus Driver Qualifications.|
With constantly evolving IT systems and exceptional customer service, Laird are leading the way in the Expert Witness sector. You can instruct with the click of a button via their website and will be kept up to date at every stage of your case.
Laird have three main areas of expertise:
- Locus Reports
- Personal Injury Photography Reports
- Witness Statements
- Document sign up service
Lew Grill has testified as a trucking expert witness in litigation matters for law firms, trucking fleets, trucking insurance companies, and truck driving schools in Federal and State courts across the nation. His litigation support services involve the Safe Operation of Commercial Motor Vehicles and the Standard of Care of truck drivers and motor carriers.
Areas of Expertise:
- Truck Accident Investigation
- Advanced Accident Reconstruction
- Human Factors Analysis
- Heavy Truck Vehicle Accident Reconstruction
- Pedestrian Motor Vehicle Accident Reconstruction
- Vehicle Dynamics
Christina Comisarek has over 40 years of experience in and around the Transportation industry, 25 of which have been spent driving over 2 million miles accident free. She is a Certified Director of Safety, Certified Driver Trainer, and has managed a small trucking business for over 10 years. Ms. Comisarek serves as a Transportation Consultant, Driver Safety Trainer, and Expert Witness.
Background: Ms. Comisarek gained first-hand experience, good business sense, and a strong, solid work ethic working for her family's two businesses. Over the years, she's had a variety of roles in the transportation industry, such as loading and unloading, local deliveries, linehaul, school bus driving, driver / safety training, and managing a small trucking company. Ms. Comisarek continues to drive part-time to stay current in the industry. She takes every opportunity to enhance her skills and background, either through first-hand experience or by attending courses such as Accident Investigation.
As a Consultant, Ms. Comisarek assists trucking companies in areas such as streamlining their operations, risk management situations, driver recruitment and retention, and Employee handbooks. Her Safety Training is done either in the classroom or on-site currently, and soon will be offered online.
As an Expert Witness, Ms. Comisarek has worked with top expert witness firms and is pleased to currently be working with NECSC, LLC, providing sound consultation to attorneys through report writing, depositions, and successful trial appearance.
Areas of Expertise:
Awards / Honors:
- Over 2.0 million miles Accident-Free Driving – all consecutive years at Consolidated Freightways and FedEx
- Colleague nominated candidate for American Trucking Association’s 2002 – 2004 America’s Road Team
- Clean CDL Class A with Doubles/Triples, Hazmat (past), Tanker, Passenger & School Bus Endorsements
- Triples Certification [expired] in Ohio and Indiana Tandem (long doubles) Certification [expired] in NY
Areas of Expertise: Accident analysis, testimony and mediation in vehicle and pedestrian accidents involving transit, paratransit, schoolbus, motorcoach, special education, non-emergency medical transportation, taxi, shuttle, child transport systems and services; slips and falls; crossing, boarding and alighting; wheelchairs; seatbelts; ADA and accessibility; passenger safety, security and sexual abuse; vehicle design, specification, crashworthiness, quality assurance and product liability; industry standards and practices; driver training and vehicle operation; management, monitoring, supervision and enforcement; maintenance; NHTSA, FTA, FMCSA and USDOT regulations; vehicle testing and certification; contract negotiation and compliance; risk management; planning and system design.
The Firm: Transportation Alternatives is a passenger transportation and automotive consortium engaged in consulting and forensic accident investigation and analysis (more than 600 cases). Specializes in elderly, disabled, schoolchildren.
Education: MURP (Urban and Regional Planning): George Washington University, 1975 BA, English Literature: Rutgers University, 1969
- President, Transportation Alternatives (1980 to present). Consulted to USDOT, transit agencies, private contractors, social service agencies, municipalities and school districts. Designed several major transportation systems
- Chairman/General Manager, PTS Transportation (1982-1992). Directed operations of a 70-vehicle paratransit system for physically and developmentally disabled individuals and a non-emergency medical transportation (NEMT) service
- President, TAM-USA (1989-1995). Formed and directed a U.S.-Slovene joint venture company which coordinated the design, testing, certification and marketing of a European-manufactured school bus and motorcoach.
Appointments and Memberships:
- American Public Transportation Association
- National Association of Pupil Transportation
- United Motorcoach Association
- American Bus Association
- Community Transportation Association of America
- Association Internationale pour la Sécurité du Transport des Jeunes
- National School Transportation Conference (1995, 2000, 2005)
- Committee on School Transportation Safety, National Academy of Sciences
- Bus Industry Safety Committee (ABA)
- Access Committee (APTA)