J. P. Purswell, PhD, PE, CPE

J. P. Purswell, PhD, PE, CPE is an ergonomics and human factors expert specializing in OSHA compliance and product safety litigation. With a career encompassing industrial safety, human factors engineering, and risk assessment, he brings a multidisciplinary approach to evaluating safety protocols and ergonomic practices. His work centers on investigating product usability, assessing compliance with safety standards, and evaluating whether ergonomic interventions meet industry guidelines.

Dr. Purswell has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to workplace safety, consumer product hazards, and industrial equipment. His Ph.D. in Industrial and Systems Engineering (Human Factors Option), along with his Board Certified Professional Ergonomist designation, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving ergonomic work practices and safety compliance.