Mr. Grissom is a forensic scientist and accident reconstructionist specializing in the investigation of motor vehicle accidents. He earned a Bachelor of Science in Mechanical Engineering at Seattle Pacific University and, during his studies, he focused on mechanical deformation and kinematics, including vehicle motion. Mr. Grissom is experienced in three dimensional laser scanning, photogrammetry, and processing data to perform analyses. He is an accredited accident reconstructionist (ACTAR), a certified BOSCH Crash Data Retrieval (CDR) Technician, and a member of both the American Society of Mechanical Engineers (ASME) and the Society of Automotive Engineers (SAE).

Ian currently conducts accident reconstruction investigations and performs Event Data Recorder (EDR) “black box” imaging. He also documents and analyzes evidence utilizing 3D laser scanning, as well as other reconstruction software and tools.