Scooters Expert Witnesses

Scooters 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 scooters. The scooters expert witness listings on this page are typically from fields/areas of expertise such as: Accident Reconstruction, Automotive, Human Factors, and Police Practices & Procedures.

Stephen M Casner, Ph.D.

San Francisco, California
Human Factors, Automotive - Motor Vehicle Accidents, Distracted Driving, Products Liability, Pedestrian/Cyclist Accidents, General Aviation Accidents, Workplace Safety, Scooters, Reaction Time, Risk Perception, Warnings, Driver Behavior, Slip/Trip/Fall
Dr. Steve Casner is a former career NASA human factors psychologist. Steve draws on a wide body of scientific research to help characterize the understandings, perceptions, and abilities of a reasonably prudent person. Steve is able to help identify the contributions of persons, places, circumstances, and things in a variety of accident situations. Steve is an experienced driver, motorcyclist, bicyclist, and airplane and helicopter pilot and flight instructor. Steve’s first book entitled Careful was published by Penguin Random House in 2017 and reviewed in the Wall Street Journal, The New Yorker, and many others. An experienced writer and speaker, Steve is able to relate scientific ideas to everyday audiences.

Jonathan Cherney Jonathan Cherney Consulting and Investigations LLC

Rancho Santa Margarita, California
Accident Reconstruction, Police Practices & Procedures - Cars, SUV, light trucks, pedestrians, motorcycles, bicycles, scooters, Bosch CDR EDR Tool, black box, Tesla, Hyundai, Kia, qualified immunity, Code 3 driving, emergency vehicle operations, police pursuit driving, police practices & procedures, DUI FSTs, DUI arrests, TV and media consulting.
Provides forensic analysis and litigation support to attorneys, insurance companies and municipalities in the field of accident reconstruction. Has qualified as a court recognized expert in traffic accident reconstruction for jury trials in Orange, Los Angeles and Riverside Counties. Has performed work in many other jurisdiction including Rimini, Italy. Has been practicing accident reconstruction since 1999 and collision investigation since 1989. Has worked privately for criminal prosecution & defense as well as civil plaintiff & defense. Also teaches intro to criminal law, traffic enforcement, DUI investigations, field sobriety tests & arrests at a Southern California based police academy. Retired after 30 years of service from the Irvine (CA) Police Department in November of 2019 where he was assigned to the Field Operations Division as a Detective responsible for traffic-related cases. Worked as the “Team Leader” for the Irvine Police Department’s M.A.I.T. (Major Accident...