David Marston is an automotive engineering and vehicle mechanics expert with over 40 years of hands-on industry experience in the repair, modification and forensic investigation of vehicles and marine equipment. As a Master Mechanic and experienced forensic examiner, he has conducted hundreds of technical assessments and prepared expert reports for legal, insurance and regulatory matters. David specialises in the investigation of vehicle failures, crash mechanics, repair quality disputes and accident causation analysis. He regularly supports court and tribunal proceedings as an expert witness, providing detailed mechanical analysis, vehicle inspections and forensic evaluation of crash data and repair practices. His expertise spans light and heavy vehicles, motorcycles, trailers, marine craft and emerging technologies including hybrid and electric vehicles.