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I was a patrol officer for the Salem, Oregon Police Department for seven years when my family suffered the tragic death of our five year old son, Derrick, who was struck by a car. The investigators did their best to provide my family with information, but lacked the training and expertise to collect the information that could have been collected.

I spent the next 15 years attending every technical accident investigation class that I could, many at my own time and expense, so that I could provide accurate scientific data for the cause of an accident to people who had lost family, suffered injury or destruction of their vehicle.

I retired from the Salem Police Department on March 1, 2004, and formed Collision Dynamics Analysis Inc. (CDA). CDA’s mission is to provide clients with answers to accidents through technical accident investigations and reconstructions, as well as expert testimony.


Collision Dynamics Analysis Inc.
PO BOX 3332,  Salem, OR 97302
Phone: 503.910.3585    Fax: 503.363.2972


Home | Curriculum Vitae | Retainer & Fee Schedule | Links | Contact Us