Casey Bryden

Mr. Casey Bryden is an Senior Engineer with Principia. He works predominantly on vehicular accident reconstruction, as well as mechanical design failure analysis. Mr. Bryden specializes in motorcycle accident reconstruction, and mechanical failure analysis of bicycle and motorcycle design. He is involved in collection of field data as well as digital data acquisition for measurement and analysis of acceleration and vehicle speed. He also has expertise using computer simulation software for accident reconstruction and analysis.

Prior to working at Principia, Mr. Bryden was an engineer with Boster, Kobayashi and Associates as a consultant for accident reconstruction. Prior to that Mr. Bryden worked as a design engineer in the motorcycle industry for 7 years, as well as a test engineer in the bicycle industry for 2 years. Mr. Bryden has been working in the field of accident reconstruction since 2018.

Eric Rossetter, Ph.D., P.E.

Using HVE to Simulate a Nine Vehicle Accident Involving a Heavy Truck

Dr. Eric Rossetter is a Mechanical Engineer and one of the founders of Principia. His areas of expertise include automotive handling, vehicle systems, electronic control systems, electro-mechanical systems, vibration, and acoustics. Dr. Rossetter specializes in accident reconstruction and failure analysis of mechanical systems. He is proficient in digital data acquisition for measurement and analysis of acceleration, vibration, and acoustics. He also has expertise using computer simulation software for accident reconstruction and analysis.

Stephen Harper, B.S., P.E.

Mr. Harper is a Mechanical Engineer specializing in accident reconstruction and failure analysis of mechanical systems. He has expertise using computer simulation software for accident reconstruction and analysis. He has experience retrieving and analyzing electronic “black box” data from passenger vehicles and heavy trucks.

Daniel Desautels, M.S., P.E.

Mr. Desautels is a Mechanical Engineer specializing in accident reconstruction and failure analysis of mechanical systems. His areas of expertise include vehicle dynamics, instrumentation and testing, and electronic data recording systems. He is proficient in digital data acquisition for measurement and analysis of acceleration, vehicle speed, and component displacement.

He is also an ACTAR-certified Accident Reconstructionist and has expertise using computer simulation software for accident reconstruction and analysis. He has Technician and Analyst level certifications for the Bosch CDR system and has significant experience retrieving and/or analyzing electronic “black box” data from passenger vehicles, heavy trucks, trains, onboard vehicle camera systems, and other data recording systems.

Shannon Wilson

Ms. Shannon Wilson is a Mechanical Engineer with Principia. She works predominantly on vehicular accident reconstruction, mechanical and structural failure analysis and product liability analysis. She is involved in digital data acquisition for measurement and analysis of acceleration and vehicle speed, production of final written report, and expert witness testimony.

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