About
Error Analysis is a forensic and industry practice of human factors and related safety disciplines that provides professional services to its legal, insurance, corporate, and public clients, including expertise and advanced analysis of accident causation and liability.
Harvey Cohen (1945-2026)
Founder

Harvey was a NASA fellow in graduate school and began his career as a research scientist with the National Institute for Occupational Safety and Health (NIOSH), where he directed research programs. He later co-owned Safety Sciences, Inc., conducting government- and industry-funded research on ergonomics and safety that formed the basis for several national safety standards governing powered industrial trucks, ingress and egress of tractor-trailers, and slip and fall prevention in the nation’s workplaces. In 1988 he founded Cohen & Associates., which became Error Analysis, Inc. a company through which he became one of the most experienced forensic human factors practitioners in North America.
Dr. Cohen authored numerous scientific and technical publications, including several books on forensic human factors and safety practice. He also played an important role in professional leadership and standards development, serving within the Human Factors and Ergonomics Society and helping establish the Board of Certification in Professional Ergonomics and the Foundation for Professional Ergonomics. In addition to his research and consulting work, Dr. Cohen was an active mentor, advising students and early-career professionals entering the field.
Dr. Cohen’s career reflected a lifelong commitment to applying human factors science to the prevention of injury and the improvement of safety in workplaces, products, and public environments.
Forensics
We provide consultations in litigation regarding human factors in design, human characteristics, human performance capabilities, performance limitations, human error, safety management, and risk. We have reviewed accidents involving serious injuries and fatalities in various industries such as hospitality, transportation, construction, manufacturing, military, and healthcare. Such events occurred in various settings, including traffic, public and commercial establishments, retail, industrial, residential, office, recreational, and other specialized facilities.
Projects
Contact us about your project needs.

HUMAN FACTORS EXPERT
Joe Cohen is a Certified Human Factors Professional with 25 years of professional experience. His career achievements include consulting and research contracts with various domestic and global businesses, law firms, and legal departments. He has been called during litigation in U.S. State and Federal courts, and abroad, to provide expertise, advanced analysis, and testimony concerning the field of Ergonomics or Human Factors, including human factors in engineering and design, human performance, and adequacy of warnings. Dr. Cohen holds a BA in Psychology, a MA degree in Psychology (Applied-Experimental and Human Factors option) and MS and PhD degrees in Industrial and Organizational Psychology. A husband and father of two teens, Joe also enjoys guitars, baseball, and his pet dog Cosmo.

JOSEPH COHEN, PhD
Caleb Cohen is a Human Factors scientist with industry experience conducting safety testing for vehicle manufacturers and usability testing for physicians and health systems. His forensic consulting experience spans motor vehicle accidents, premises, and product liability cases. A graduate of Yale University and a master’s candidate at California State University, Long Beach, his expertise includes nighttime visibility, simulation, and human-autonomy teaming. Caleb is based in Los Angeles, where he serves as co-commissioner of a local soccer club, and plays keys in a cumbia band.

CALEB COHEN
Contact
General Inquiries
Mailbox
Error Analysis, Inc.
5173 Waring Road, Suite 157
San Diego, CA 92120