Hayes & Associates

“[Dr. Hayes’ and Dr. Bauer’s] assistance and [Dr. Hayes’] testimony was critical to us putting together such a strong summary judgment motion that gave us the leverage to dispose of this case. Thank you so much for all of your help.”

— Defense Attorney

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Who We Are

Mark S. Erickson, M.S., P.E.


Mark S. Erickson, M.S., P.E., is a Registered Professional Mechanical Engineer in the State of Oregon and a Fully Accredited Traffic Accident Reconstructionist (ACTAR # 1345). His expertise lies in three-dimensional simulation of single and multiple vehicle collisions, scene investigation, and vehicle damage analysis. Other areas of specialization include: mechanical failure analysis and dynamic modeling of complex multi-body systems, including biodynamic human modeling. Mr. Erickson is also certified by the FAA as a Remote Pilot for Small Unmanned Aircraft Systems (sUAS).

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Download Mr. Erickson’s CV (31.8 KB PDF) for details on his professional publications and experience.