Bill Focha, has over 25 years of experience investigating and reconstructing traffic collisions. He is retired from the Sonoma County Sheriff’s Office as a traffic/commercial Deputy and the Oakland Police Department as a Motorcycle Policeman assigned to the Traffic Division. He was the Sheriff’s Office’s leading commercial vehicle expert. He has been the primary reconstructionist in over 50 fatal traffic collisions.

He has testified as an expert in Traffic Accident Reconstruction and Commercial Vehicles in criminal and civil cases as well as provided testimony in civil depositions. He has extensive training and expertise in commercial vehicle collision reconstruction, mechanical and safety inspections, federal & state regulations and codes, air brake systems, and electronic control module (ECM) downloads and interpretation.

Bill owns North Coast Truck Inspections, a commercial vehicle inspection and repair service. He has completed the California Highway Patrol Commercial Vehicle Enforcement Class. He is qualified as a Brake and Vehicle Inspector under the Federal Motor Carrier Safety Regulations.

Bill is a member of the California Association of Accident Reconstruction Specialists (CAARS) and serves on the Board of Directors. He is also a member of the National Association of Professional Accident Reconstruction Specialists (NAPARS) and is On the Board of Directors of WREX2016.