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Expertise Description

I have over 45 years experience in human factors. My areas of expertise include: automobile accidents, product design, and warning effectiveness. I also have experience with human perception, cognition, motor skills, reaction time, foreseeability of human behavior, safety, and warnings. I have more than 30 years expert witness experience with consultations, deposition, and courtroom testimony.

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Expert Witness

My expert witness experience includes: Driver behavior and perception; Visibility; Trip and falls; Warning effectiveness; Illumination; Perception – reaction time.


PhDHuman Factors – Industrial PsychologyPurdue University
MSHuman Factors – Industrial PsychologyPurdue University
BAPsychologyCalifornia State University Northridge

Licenses Certifications

Certified Human Factors Professional

Awards & Affiliation

Innovation Award
Human Factors and Ergonomics Society
Educators Award
Human Factors and Ergonomics Society

Primary Affiliation

Human Factors and Ergonomics Society

Partial List of Consulting Expert Witness Cases