Powertrain Expert Witnesses

Powertrain expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on powertrain. The powertrain expert witness listings on this page are typically from fields/areas of expertise such as: Accident Reconstruction, Automotive Engineering, Mechanical Engineering, and Software Engineering.

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Roger D Berry

Automotive Powertrain Systems Engineering Expert

Pilot Systems International, LLC

Farmington Hills, Michigan
Automotive Engineering, Software Engineering - Control, Systems, Engineering, Automotive, Powertrain, EV, Emissions, Safety, Business, Software, Technology, compliance, regulatory, patent, deposition, expert, report, contracts, OEM, Supplier
Roger D. Berry Automotive Powertrain SME Mr. Berry owns a company that is managing the powertrain engineering, safety system development and the certification portion of several industry leading vehicle programs. Pilot is also working with technologies including Embedded Controls, EV (Electric Vehicle) Powertrain Engineering including ICE optimization, ADAS (Autonomous Vehicle) and AI (Artificial Intelligence) for automotive and military programs. Pilot has extensive international experience and provides business, legal (e.g., patent law) and technical consulting services. Mr. Berry has acted as an Expert Witness in 6 cases. Those cases required expertise in powertrain engineering, IP protection, Automotive System integration, Patent Law, OEM v Supplier contractual obligations and System Simulation/Validation. His clients included Tesla, Arctic Cat, ZF, Siemens and Brose. Mr. Berry’s previous company employed 300 people and specialized in automotive powertrain tec...
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John D. Zeirke, P.E., ACTAR, CFEI, CVFI

Mechanical Engineering Expert Witness

JZ Engineering, LLC

Blaine, Minnesota
Mechanical Engineering, Accident Reconstruction - Mechanical, Automotive, Powersports, Equipment, Fire, EDR, Drone, Design, Forensic, Powertrain, Caterpillar, Gears, Driveline, Gearbox, Agriculture, Failure, Bearing, Liability, Recall, Defect
Licensed professional engineer in Minnesota, Illinois, Iowa, North Dakota, South Dakota & Wisconsin with a Bachelor’s Degree in Mechanical Engineering from Marquette University and over 20 years of experience in product and system design & development and forensic investigation. Specialties: • Mechanical inspections, accident reconstruction and vehicle fire analysis. • Damage assessments of heavy machinery and agricultural equipment. • EDR downloads of passenger vehicles and commercial trucks and pre-crash data analysis. • Mechanical related property failure analysis, including boilers, water heaters, and pipe freezes. • Aerial drone photography and videography of vehicle accident scenes and tall structures.