California Accident Reconstruction Expert

Sean Shideh, P.E., is a seasoned mechanical and automotive engineer with over three decades of experience in vehicle safety, accident investigation, and product liability consulting. As a registered Professional Engineer in California, Sean has led engineering investigations for major automotive manufacturers, including Nissan North America, where he played a key role in vehicle compliance, safety performance, and quality improvement initiatives.

Since 2006, Sean has served as a consulting engineer and expert witness, specializing in accident reconstruction, mechanical failure analysis, and automotive litigation support. With a background that spans crash testing, regulatory compliance, and component testing, he brings a deep technical perspective and courtroom-ready expertise to every case.