Trucks / Trucking Transportation Expert Witnesses

Peter J. Sullivan is a World Class Certified ASE Technician and ASE Certified Master Technician in Heavy Duty Truck, Passenger Car / Light Truck, Collision Repair, and Machinist, (National Institute for Automotive Service Excellence). He has over 35 years of technical, academic, operational, and managerial experience in the private and commercial transportation, heavy equipment, marine, and recreational vehicle industries.

Mr. Sullivan has extensive experience performing vehicle inspections and downloads of event data recorders and electronically stored information (ESI), including analysis, validation, testing, and preservation on almost all makes and models of vehicles and equipment.

Litigation Support - Mr. Sullivan utilizes his comprehensive legal, technical, and FMCSA / DOT knowledge to specialize in:

Product Defect Cases Driver or Motor Carrier Compliance Electronic Engine Control (ECM) Electronic Throttle Control Electronic Power Steering

Anti-Lock Brake Supplemental Restraint Computerized Systems Closed-loop Systems Hydraulics

He and his team perform accident site and vehicle inspections, perform data downloads, including analysis, on most all makes and models of vehicles and equipment, reconstruct accidents, perform exemplar and product testing, metallurgical testing, fluid analysis, and CMV driver and motor carrier compliance analysis. His primary areas of expertise include medium duty / heavy duty truck, hy-rail, light duty car / truck, motorcycle, ATV, marine, heavy equipment, machinery, tire, bicycle, commercial motor carrier safety and DOT compliance, and commercial motor vehicle driver / operator qualification and compliance, and job site safety.

Mr. Sullivan's services are available to counsel representing both Plaintiff and Defense. His litigation support services also include expert reports, depositions, and testimony for trial, OSHA, and governmental hearings.

View Peter Sullivan's Consulting Profile.

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:

Commercial Drivers Training Truck Driver Training Federal Motor Carrier Safety Regulation Commercial Driver Theory Commercial Driver Backing City Driving

Highway Driving Live Skid Pad Emergency Driving Skills Warehouse Issues Dock Issues Forklifts

JP Transportation Safety Consulting, LLC (JPTSC) has more than one hundred years 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:

Decision Driving DOT Compliance Hazardous Materials Compliance Cargo Securement

Vehicle Maintenance Practices and Standards Workplace Safety Hours of Service Drug & Alcohol Compliance

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.

View JP Transportation Safety's Consulting Profile.

Lewis Grill is a Trucking Expert with over 45 years and millions of miles of experience as a truck driver, owner operator, truck driver training instructor, truck driver training program director, safety director. Mr. Grill is currently licensed and certified as a commercial driver for tractor-trailer with endorsements for hazardous materials, tank truck, double and triple trailers, passenger carriage, and school buses. He is certified for air brake inspection and repair, operations of Longer Combination Vehicles (LCVs), and as a Pilot / Escort Driver.

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

View Lewis Grill's Consulting Profile.

David F. Merrion is the retired Executive Vice President for Engineering, Detroit Diesel Corporation, now a subsidary of Daimler Trucks North America. He is an Expert Witness regarding Diesel Engines, Diesel Emissions, and Diesel Engine Components such as fuel injection systems, turbochargers, and diesel emission after-treatment systems.

Mr. Merrion is also an expert in diesel engine applications such as trucks, buses, marine, gen sets, mining, construction etc. He has represented General Motors, Detroit Diesel Corp., Tognum/MTU, Navistar, many trucking companies, other diesel engine users.He has done over 40 depositions & has been to jury trial twice.

Mr. Merrion has a MSME from MIT, is an SAE Fellow, an ASME Fellow, received the ASME Honda Medal, and has been on six National Academy of Science Committees.He is on the Technical Advisory Board of Achates Power

View Consulting Profile.

• Over 35 years of experience in all phases of trucking operations and brokerage; complete knowledge of all matters involving trucking operations and property brokerage.


• Expert in tractor-trailer drivers, their qualifications, motor fleet safety, top management in trucking operations, and in preparation of plaintiff or defendant lawsuits involving trucking accidents, matters involving D.O.T. Regulations and state trucking regulations.


• Worked with approximately 100 law firms in approximately 20 states and served as expert witness in state and federal court for defense and plaintiff.

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:

Driver Safety Driver Training Driver Behavior Truck Accident Investigation Loading / Unloading Physical Distribution Management Shipping and Dock Operations Regulatory Compliance

Transportation Economics Tanker and Dump Truck Operations Independent Contractor and Broker Operations Motor Carrier Standards of Care Driver Standards of Care Warehousing and Distribution Management Hazardous Materials Transportation Freight Loss / Damage Prevention

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

Dr. Sher Paul Singh, Ph.D., CPP, principal at Packaging Forensics Associates Inc., specializes in the areas of Packaging, Machinery, Transportation, Logistics and Material Handling. Dr. Singh is a Professor Emeritus at Michigan State University and has over 26 years of faculty service in the School of Packaging and was the founding Director of the Consortium of Distribution Packaging Research. His faculty and corporate experience includes research and teaching in the areas of Packaging, Transportation and Logistics, Innovative Packaging Materials and Processes, Machinery, Robotics and Sustainability.

Dr. Singh has published over 200 papers, technical reports and book chapters. As an Expert Witness, he has testified in various lawsuits involving product liability, packaging, damage during transportation and injury from loading and unloading truck trailers and rail boxcars. Dr. Singh has provided his expert opinion in three hundred litigation matters. He has testified in federal, district and international courts. Dr. Singh has served as a legal expert to various Fortune 500 companies, federal agencies and international organizations like the Department of Defense, Department of Justice, USPS, United Nations, World Bank, European Union and ISO addressing problems related to Packaging and Transportation.

Areas of Expertise:

• Packaging Product Liability
• Warning & Markings
• Personal Injury with Packaging and Aerosols
• Loading and Unloading Injuries or Fatalities on Truck Trailers
• Damage Claims
• Intellectual Property - (Patents, Copyrights & Trademarks)
• Patent Infringement
• Fire / Flammability
• Hazardous Material Shipment & Use

View Consulting Profile.

Scott L. Turner is a highly qualified Commercial Motor Vehicle (CMV) Transportation Expert and HazMat Expert with over 25 years experience in the highly specialized field of CMV crashes and incidents, and 16 years as the CEO of a nationwide CMV crash & HazMat disaster response corporation. 

Mr. Turner's career includes personal response and/or investigation of over 1,000 CMV crashes, 200 cargo-tank truck crashes/incidents and a multitude of industrial setting incidents including fixed facilities, loading docks and loading rack disasters. His FMCSR and PHMSA knowledge, detailed reporting and powerfully delivered testimony can be a focal point of any civil litigation, where commercial motor vehicle crashes and/or transit incidents are at issue, with or without hazmat involvement. 

Areas of Expertise:

• Level 1 FMCSA inspections
• Commercial Motor Vehicle (CMV) post crash inspection
• CMV crash investigation
• Driver qualifications
• Safety Programs
• Trucking industry standards
• Cargo-tank truck incidents
• CMV loading/Off-loading cases (van, cargo-tank, flatbed)
• CMV wreck involving hazmats
• Loading rack explosions/disasters

Services Include:

• Litigation support
• Trial preparation consulting
• Courtroom testimony
• Commerical vehicle accident investigation
• NIMBY hazmat
• Highway construction zone incidents
• CMV loading and offloading investigation
• Level 1 FMCSA audits
• Load securement incidents

New Jersey Office: PO Box 185 Blairstown, NJ 07825

Tennessee Office: P.O. Box 44 Specncer, TN 38585

Mike Napier is a Trucking Expert with more than 40 years experience in the commercial motor vehicle (CMV) industry. He has worked in the real world of trucking and CMV operations, holding positions from Chief Executive Officer to Truck Driver and virtually every position in between. If you are looking for a Trucking Expert who not only knows the written text of the regulations, as is required of any competent Safety Director, but also has hands-on trucking experience of a truck driver and can speak to the issues of how the trucking industry operates from the top down, you have found him! Mr. Napier will equip an attorney with the knowledge that opposing counsel may not have. Mr. Napier’s unique experience differs dramatically from nearly all other commercial or trucking industry experts; in that he has first-hand knowledge and understands a trucking company’s organizational & operational structure and has a firm command of the regulations and the nexus of the industry standards of care. 

Mr. Napier’s diverse experience includes, but is not limited to, the following issues:

Regulatory and Industry Standards Of Care Hours of Service and Symptoms of Fatigue Safety & Health Standards Preservation of Records Corporate Financial Statements Drug and Alcohol Testing Accident Investigation Brokers of Property Levels of Financial Responsibility Out of Service Violations Registration and Insurance Process Agent Designation Operating Authority Trucking Company Research Data Common, Contract, Private or Exempt Motor Carriers Hazardous Material Regulations Lease and Interchange Agreements for CMV Tractor or Trailers Truck Driver Duties on the Road Motor Carrier Compliance Duties Various Motor Carrier Related Contracts Human Resource Issues

Driver Qualifications Driver Medical Qualifications Commercial Driver Licenses Hiring, Retention and Supervision Employer-Employee Relationships Accident Contributing Factors Driver Skills Testing Loading/Unloading Cargo Securement Electronic Control Modules (i.e. Black-box) Satellite Tracking Systems/GPS (i.e. Qualcomm) Tractor/ Trailer Inspections/Maintenance DOT Compliance Reviews Interstate or Intrastate Rules Cargo Claims or Losses Third Partly Logistics Agents (3PL) Agents Motor Carrier Liabilities Fuel Tax Reporting DOT Safety Fitness and Ratings and Much More...