Human Factors Expert Witnesses

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What is a human factors expert witness?

Human factors expert witness candidates typically have advanced degrees (MBA or PhD) and extensive experience in industrial engineering, mechanical engineering, and/or biomechanical engineering – depending on the specific product or process involved in the case. Experts in this field may have an affiliation with an industry organization such as the Industrial Designers Society of America (ISDA) or the Human Factors Ergonomics Society (HFES), and could also be certified as a Human Factors Engineering Professional (BCPE), Certified Industrial Hygienist (CIH),or a Certified Professional Ergonomist (CPE).

What types of cases require a human factors expert witness?

Example cases that Cahn Litigation Services has provided human factors expert witness searches for have involved:

• industrial safety analysis for multiple insurance companies,
• Florida traffic accident reconstruction (distracted driving),
• warehouse health and safety,
• building accessibility,
• industrial hygiene,
• Material Safety Data Sheets (MSDS),
• hand arm vibration,
• consumer product labeling,
• occupational health,
• safety expert for an industrial accident, and a
• product liability and personal injury case in Michigan.

What litigation support work might a human factors / ergonomics expert witness be expected to perform?

A human factors expert witness could provide expertise in intellectual property matters, such as a patent litigation or a trade secret dispute, or a proceeding in the International Trade Commission (ITC). A forensic engineer can reverse engineer products to prove or disprove infringement. A human factors or ergonomics expert could also be called in for a motor vehicle accident reconstruction, premises liability case, product liability, personal injury, workplace safety, Americans with Disabilities Act (ADA) compliance, or a failure analysis project. Litigation support by a human factors expert witness could include a safety analysis, failure analysis, forensic human factors work, expert report preparation, expert opinion, and expert testimony in court.

Cahn Litigation Services has the experience required to turn an expert witness search around quickly and provide the right balance of expertise and testimony to support each unique project and its nuances. We are the service provider of choice by law firms to locate expert witnesses who can support a case requiring a human factors expert.

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Human Factors Expert Witness - Representative Bios

Please Note: All Cahn Litigation expert witness searches are customized to attorneys' precise specifications and preferences. Attorneys are encouraged to discuss search parameters with a Cahn search specialist.

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The below expert witness bios represent a small fraction of those Human Factors experts known by Cahn Litigation Services. These bios are provided to give lawyers a sense of the Human Factors landscape.

• Expert Witness #214160

  This expert holds a master's degree and Ph.D. in experimental psychology as well as many years of experience in basic and applied research in psychophysics, cognitive science, perception, attention, reaction time, memory, human factors, aging, driver behavior, and related areas. This expert has testified in courts in the United States, Canada, the United Kingdom and Singapore on matters involving issues such as human vision, warnings, product defects, visual evidence, and trips and falls. This expert's master's research was in learning and reaction time and this expert's Ph.D. dissertation was in human vision. This expert subsequently had postdoctoral fellowships in psychology and in physiological optics. This expert has also been a faculty member or research associate in psychology at several universities.

  This expert's research experience includes many grant/contract awards, presentations and publications; grants from the National Eye Institute, National Science Foundation, National Science & Engineering Research Committee; over 70 presentations at scientific meetings and at safety conferences in the US, Canada and Europe; 100 publications in the areas of vision, visual search, electrophysiology, perception reaction time, human cognition, artificial intelligence and driver behavior. This expert is the principal author of a book which analyzes visual, cognitive and response factors in driver behavior based on data from basic science, human factors, and the driver research literature.

  This expert has extensive prior litigation experience having served as both a testifying expert as well as a consulting expert, explaining complex scientific concepts in simple, layman's terms to non-experts. This expert can perform tests of visibility/perception under field conditions and analyze accidents to determine probable cause such as human factors, controls, warnings, visual design, Human Error Vs. Design Error and potential safety hazard.

  
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• Expert Witness #225926

  This expert is president and Founder of a highly successful, internationally acclaimed consulting firm, offering services in usability science, formal user-centered product design, high-performance user interface design and design IP rights. This expert is a Certified Human Factors Engineering Professional BCPE. This expert has managed over 4,000 research and development projects over a long career as a leading expert in human factors engineering, product design, and design research.

  This expert has a BS in Industrial Design and a Masters in ergonomics and biomechanics. This expert worked directly with product design pioneers. This expert was directly responsible for research and development of mission-critical user interfaces, including the design of primary trading systems. This expert's experience spans many years and includes consumer, commercial, military, and aerospace applications. This expert served on several national and international panels and has chaired two ANSI standards committees. This expert has consulted with many leading corporations on strategic issues of screen-based UX optimization, product design, usability science, Intellectual property, and fixed to virtual migration of products and services.

  This expert has served as an expert in over 75 major IP cases covering design patents, trade dress, copyright, utility patents related to GUI & product design for the most demanding and high-visibility clients and law firms. The following is an example of the research services this expert offers designed to improve legal outcomes in an increasingly complex litigation environment:

  -  Pre-Complaint Rapid Infringement Assessment

  -  Prior Art Research and Analysis (Unconventional Sources)

  -  Consumer Research for the Ordinary Observer Test

  -  Design Patent Damages Research and Strategy

  -  Consumer Research for Copyright Infringement Analysis

  -  Specialized Trial Visual Aid and Demonstration Development

  -  Trial Narrative Testing

  -  Design Change Analysis to Reduce Possible Infringement

  This expert holds numerous U.S. and international patents and has been quoted as an expert in the field. This expert is a frequent speaker at national and international conferences on UX optimization, usability science, user interface design and IP related matters. This expert lectures at leading graduate programs.

  
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• Expert Witness #226281

  Described as one of the most thoughtful and provocative interface and interaction designers working in the field, this expert specializes in User Interface Design, Human Interface, Human-Computer Interaction, Interactive Media, User Experience, User-Centered Design, Information Technology, Internet, Mobile, Telecommunications, Video and Intellectual Property. This expert holds an MS in Interactive Telecommunications and has an extensive background analyzing and creating consumer user experiences across a variety of form factors. This expert has designed touch screen remote controls, mobile device interfaces, television set-top box user interfaces, tablet computers, telecommunications systems and myriad desktop software applications, many involving user interfaces and patents related to audio and video media management. Leading the design of award winning human-computer interfaces, this expert has published numerous articles on the subject, and has been granted a variety of patents for cutting-edge techniques, including several for a method and storage device for expanding and contracting continuous play media seamlessly. This expert has 100+ patents and patent applications in software and hardware human interaction, many years designing user interfaces and establishing user experience strategies for major corporations and is a former university professor and Fortune 500 executive.

  This expert has hands-on experience with litigation workflow throughout (and in anticipation of) patent infringement lawsuits -- including declarations, depositions, court room tutorials and expert witness testimony. This expert is experienced collaborating with complementary experts in areas of engineering, due diligence, and damages modeling. This expert has served both plaintiffs and defendants in claim construction, Markman hearings, infringement analysis, validity analysis, reexamination support and jury trials.

  
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• Expert Witness #249011

  This expert is a Senior Consultant for a highly successful engineering systems consultancy. This expert's sweet-spot is in Human Factors and Engineering Psychology, experimental design, risk assessment, and the analysis of human error within complex and hazardous operational environments. This expertise includes human visual-perceptual processes, industrial applications including conspicuity, warnings, procedures and instructions, usability, driver distraction, night time vision, and crash avoidance.

  Areas of Specialization include:

  -  Human Error Analyses

  -  Risk Assessment

  -  Advanced Statistical and Experimental Design Analyses

  -  Human Factors Analyses

  -   Industrial and Process Safety Accident Investigation

  -  Night and Daytime visibility and conspicuity-human perception

  -  Automotive Accidents-driver behavior

  This expert has extensive prior litigation experience and testifies an average of 4-5 times each year.

  
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• Expert Witness #258116

  This expert brings to the table many years of experience as the principle investigator of a highly successful forensic consultancy specializing in the fields of Human Factors, Safety Engineering, Industrial Engineering. This expert holds a Bachelor of Science degree in Engineering (Mechanical), a Master's Degree in Safety, and a PhD in Industrial Engineering. This expert also serves as adjunct associate professor in a Systems and Industrial Engineering Department in a College of Engineering.

  Throughout the years, this expert has been retained to investigate systems for probable potential incident causes due to oversights or mistakes due to design, manufacture, construction and/or maintenance of a product or premise. Using forensic methods coupled with the principles and practices for human factors/ergonomics, systems engineering, industrial engineering, and safety engineering to analyze incidents, these investigations are intended to result in recommendations for modifications of the existing system to reduce the probability of future occurrences. This expert's investigations generally include looking at human performance characteristics and the interaction with the other system components: other humans, the technology, the environment, and the interfaces that are intended to facilitate the interactions. The various human performance characteristics can include 1) the physical (anthropometry, kinematics, strength, joint range of motion), 2) physiological (the sensory systems, performance capacity), 3) psychological (decision making, risk identification, assessment, and aversion, perception, expectations, information processing, communications), and 4) biomechanics (injury causation, forces applied to the body, forces applied by the body).

  This expert has served as an expert witness in hundreds of litigated matters. This expert's unique educational and experiential background, combined with meticulous attention to detail provide clients with exceptionally high-quality reports, qualified expert testimony, and effective technical case management.
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• Expert Witness #258149

  This expert brings to the table many years of experience as an independent investigator in the field of safety. This expert holds Bachelors and Masters degrees in Mechanical Engineering and a Doctoral Degree in Biomedical Engineering. This expert's doctoral studies included a number of courses and projects concerning gait analysis, musculoskeletal modeling, trauma, and human factors. This expert's dissertation topic concerned the role that size and gender play in the probability of injury. This expert has been a scientific researcher working in a Neuroscience Research Facility. This expert's work involves the analysis of the causation of human injury with an emphasis on the forces that result in head, neck, spine, and extremity trauma.

  This expert has been involved in the analysis of hundreds of gait disruption accidents. They have included falls due to slips, trips, and stumbles due to flooring defects as well a stairway and elevated platform defects. Additionally, this expert has consulted on a number of guardrail accidents including geometric and structural faults and is highly trained in both USA and International building codes.

  This expert has extensive prior litigation experience.
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• Expert Witness #260239

  This expert is both a Professional Engineer and a Ph.D. who focuses on human factors and the biomechanics of injury causation. This expert has significant experience industry as well as consulting experience in product design, manufacturing and safety-related issues and the applicable standards for a wide variety of products and applications. This expert's experience with Industrial accidents in particular, includes machine guarding, rotating machinery, pinch-points, forklifts, explosions and OSHA/MESHA issues. This expert is well published, is a frequent presenter at industry conferences, and holds a machine guarding patent with another application pending.

  
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• Expert Witness #124242

  This expert holds a Ph.D. and D.Sc. as well as being a Professional Engineer and a Board Certified Forensic Examiner in Safety Engineering and Design. This expert's long and varied experience as a scientist, inventor, and consultant to industry has made this expert an expert, among other things, in retail store and retail display safety. This expert has served as a consultant to major retail chains on retail displays and safety, in risk assessment and human factors, and in risk assessment and human factors. This expert's list of patents is impressive and includes a headgear used in football.

  
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• Expert Witness #248996

  This expert is a Senior Consultant and Director of Technology and Instrumentation. This expert holds MS and BS degrees in Industrial and Operations Engineering and Naval Architecture & Marine Engineering, respectively. This expert is a licensed Professional Engineer (P.E.), a Certified Product Safety Manager (C.P.S.M.), a Certified Safety Professional (CSP), a Certified Professional Ergonomist (CPE), and a Certified XL Tribometrist (CXLT).

  This expert’s recent professional activities include studies on floor slip resistance measurement; human vibration and acceleration exposure measurement and analysis; recreational boat design, watercraft occupant safety, and towed watersports safety; time study; product, occupational, and premises safety assessments; accident investigation; warnings design and evaluation; and human movement, climbing, and stability analysis. This expert is a member of several professional societies including the Human Factors and Ergonomics Society, the American Society for Testing and Materials, the Society of Naval Architects and Marine Engineers, the American Boat and Yacht Council, and USA Water Ski. This expert has authored and co-authored publications addressing recreational boat design and occupant protection, floor slip resistance measurement, hazard analysis, and warnings. As a human factors engineering expert, this expert has analyzed conspicuity issues on a number of cases related to trips/falls over obstacles on a variety of premises. This expert has been deposed 35 times and testified in 9 trials and has never been disqualified.

  
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• Expert Witness #248906

  This expert is a human factors engineer, and a certified Professional Engineer. This expert has designed and configured joystick controls for video gaming. This expert developed prototypes and tested a representative population for durability, functionality and ease of use. This expert worked alongside the MEs and EEs and is knowledgeable on the internal parts and components, and has a historical perspective of the industry. This expert has deep experience in writing expert reports and providing testimony at depositions and trial.

  
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• Expert Witness #276993

  This human factors expert holds a PhD, CSP, and CHFP, with graduate and undergraduate degrees in experimental, human factors, and cognitive/perceptual psychology, as well as graduate degrees in Industrial Engineering and Business. This expert has over 40 years of experience in accident investigation, product design and development, and operational testing and analysis.

  This expert has testified on instructions and warnings on multiple occasions and has written several papers on the topic. Product design issues can include both mechanical engineering and human factors considerations, including ergonomic guidelines for machine design, installation, and use. This expert is the author of over 60 technical papers, research reports, and book chapters addressing human factors, industrial ergonomics, safety, and accident investigation.

  This expert has provided expert testimony in state and federal courts across the country and has acted as the lead investigator in over 500 projects over more than 20 years.

  
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• Expert Witness #278787

  This robot safety/human factors/controller design expert is an academic professor emeritus in industrial and systems engineering with over 40 years of experience specializing in human factors engineering, human-computer interaction, work design and performance systems, and robot safety. This expert is one of the early pioneer researchers in industrial robotics safety and has performed extensive research in the human factors engineering of medical instruments. This expert teaches the principles of control-display compatibility in human factors engineering courses.

  In research and teaching, this expert uses human factors design evaluation tools to assess user control interfaces across 10 mutually exclusive dimensions. A subjective rating system can be used to measure interface design features against these dimensions, providing an evaluation of design appropriateness.

  This expert also has experience in the design of warning labels and warning instructions for several classes of hazardous conditions. Warning-label and instruction design must be carefully considered against a complex array of other parts of the system operating conditions and user expertise. If needed, this must be done first against the standards for warning labels and instructions and then modified for a particular set of operational sequences.

  
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• Expert Witness #279745

  This human factors expert holds a PhD in Human Factors Psychology and has been qualified in state and federal courts, including courts in Georgia.

  This expert applies human factors psychology through research and analysis, including reenactments, involving injuries, crashes, and falls.

  This expert cofounded a consulting firm that performs human factors analysis of personal injuries, including field testing and measurements, research into applicable standards, regulations, literature, and warnings.

  
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• Expert Witness #280038

  This biomechanical causation/ergonomics expert earned a Ph.D. and M.Sc. in Mechanical Engineering and is a Professional Engineer (PE) and chartered specialist in Ergonomics and Human Factors. This expert is a leading researcher on slips, trips, and falls and has been recognized by prominent engineering, ergonomics and human factors, and occupational research organizations for research in this area.

  This expert has co-authored publication-length work on human locomotion and surface factors, including book-length and chapter-length work. This expert is a prolific researcher and author on ergonomics, human factors, and slips, trips, and falls, as well as a sought-after presenter on these topics.

  
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• Expert Witness #283812

  This human factors, warnings, labels, and instructions expert specializes in human factors, human performance, human perception, industrial and occupational safety, and consumer product design and use. Human factors is the scientific field of research dealing with the capabilities and limitations of people as they interact with systems made up of products, tools, technology, information, organizations, environments, and other people.

  This expert is a consultant with substantial experience in the investigation and prevention of accidents and injuries related to consumer products, warning labels, instructions, and training. This expert has over 20 years of experience in both forensic and proactive work.

  This expert has assisted in the selection and development of safety systems for consumer and industrial equipment and has performed hazard and risk assessments for consumer products, industrial machines and systems, auditory warnings and signals, and medical devices. This expert has deep experience as an expert witness and has testified in depositions and at trial.

  
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• Expert Witness #283963

  This human factors expert holds a B.S. and M.S. in mechanical engineering, is a licensed Professional Engineer in several states, and investigates incidents involving personal injuries, fires, and explosions.

  This expert provides technical analysis, litigation support, and expert testimony in legal, insurance, and industry contexts. This expert has inspected and opined on matters involving trips and falls, including issues related to visual perception and human factors, and has evaluated trip hazards with respect to applicable codes and standards.

  This expert is completing advanced graduate study in human factors and has testified in depositions as a human factors expert and engineer.

  
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• Expert Witness #293789

  This human factors/operator-vehicle interaction expert holds a PhD, is a Certified Human Factors Professional (CHFP) and Certified Safety Professional (CSP), and serves as a principal consultant for a respected human factors and safety consultancy. This expert holds graduate and undergraduate degrees in Experimental, Human Factors, and Cognitive/Perceptual Psychology, as well as graduate degrees in Industrial Engineering and Business. This expert has over 40 years of experience in field and laboratory research involving control and display systems, aviation, surface vehicles, accident investigation, product design and development, and operational testing and analysis.

  This expert spent over 25 years in U.S. military and reserve service, retiring as a Lieutenant Colonel. While in uniform, this expert worked with a military research laboratory primarily in pilot-vehicle interface design, display technologies, and aircrew training. This expert consults on human factors, applied human performance, ergonomics, and safety.

  Areas of particular expertise include human-machine interface design and evaluation; human capabilities and limitations in applied environments; industrial ergonomics; instructions and warnings; perception, vision, visibility, slips, trips, and falls; evaluation of equipment, facilities, and structures from a human-use standpoint; and safety-related issues generally.

  This expert has experience with operator-machine interaction, including designing controls and displays for both air and ground vehicles. This expert also has experience as a senior human factors engineer for an automotive electronics division and began a career designing controls and displays for high-performance aircraft while serving in the military.

  This expert is recognized in operator-vehicle interaction and has authored over 60 technical papers, research reports, and book chapters addressing human factors, industrial ergonomics, safety, and accident investigation. This expert has been awarded a number of U.S. patents, along with industry awards for new product design, and has served on national standards-making committees for a variety of standards organizations, including ANSI, ASTM, and SAE.

  This expert is an experienced expert witness and litigation consultant. This expert has provided expert testimony in state and Federal courts across the country and has acted as lead investigator in hundreds of projects over more than 20 years.

  
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• Expert Witness #300117

  This human factors/biomechanics expert holds a Ph.D. in Human Performance with an emphasis in biomechanics and consults and provides expert witness services in injury biomechanics, products liability, visibility analysis, premises liability, collision and accident reconstruction, and slip, trip, and fall reconstruction.

  This expert is also a member of several standards committees addressing forensic sciences, forensic engineering, pedestrian and walkway safety, and exoskeletons and exosuits, including human factors and ergonomics.

  This expert is an experienced expert witness and litigation consultant.

  
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