Accident Prevention Expert Witnesses

Huntington, New York

Safety, Property Management - Playground Safety, Premise Liability, Property Management, Playground Supervision, Slip Trips& Falls, Emergency Action Planning, Life Safety, Accident Prevention, Lighting, Property Inspections, Construction Safety

Mr. Andrew Sampson is a seasoned property manager and safety expert with 15 years of experience in construction oversight, operations, and risk management. His professional background spans office and retail construction, life safety systems, property inspections, asset management, and tenant/vendor coordination—primarily within Class A skyscrapers in Lower and Midtown Manhattan. Over the course of his career, he has conducted hundreds of safety inspections across complex, high density environments, ensuring compliance with OSHA standards, building codes, and industry best practices. Before entering the real estate and construction sector, Mr. Sampson served as a U.S. Navy Officer, where he gained extensive experience in operational safety, shipboard construction projects, hazard mitigation, and emergency response readiness. His responsibilities included supervising maintenance and repair operations, enforcing safety protocols, coordinating multi disciplinary teams, and ensuring co...

Irmo, South Carolina

Human Factors, Premises Liability - Accident Prevention, Risk Management, Illumination, Conspicuity, Visual Perception, Slip resistance, Playground Safety, Premises Liability, Lighting, Line of Sight, Driver Distraction, Roadway Markings, Environmental Conditions, Slip-Trip- Fall Evaluations, Workplace Injuries, Human Factors, OSHA

Ellen Szubski, Ph.D., is the senior human factors consultant at The Warren Group. She earned a Doctor of Philosophy in Human Factors Psychology and a Master of Science in Applied Psychology from Clemson University. Ellen is also a Certified XL Tribometrist, a Certified Playground Safety Inspector (CPSI), and a Certified Associate Human Factors Professional (AHFP). Ellen worked in the Clemson Visual Perception and Performance Laboratory examining the factors contributing to the conspicuity of pedestrians and bicyclists in challenging road conditions, such as nighttime driving. She did her dissertation on “The Influence of Pedestrian Biological Motion on Time-To-Collision Estimates at Night”. Prior to entering the forensic field, Ellen planned and conducted experiments for a major bicycle manufacturer that improved bicycle conspicuity. She also conducted laser strike perception and performance studies for the Department of Defense. Ellen applies her experience in Human Factors t...